tofsee | 12bcf2e8d6a01a591fc06fc6fdcda9727b24d8e4344476cd589de467a6e2bfbc

General

Target

2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe
Size

11.6MB
MD5

7156ffc1d2c3942035bd1b5e8b735fde
SHA1

afd2637ad85ab0740b93d17093ce26e7d312eb46
SHA256

12bcf2e8d6a01a591fc06fc6fdcda9727b24d8e4344476cd589de467a6e2bfbc
SHA512

27970e8d3d2caf89b018f381fa8a636887b417c5be7d17148fd32f85e35e302b22d1f1b5fde95506daea59873cc17ef31a82350e0d51cc4f877dbec0f18603cf
SSDEEP

24576:TsTiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiX:A

Score

10^/10

tofsee defense_evasion discovery execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Tofsee family
tofsee
Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
5768	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\gaimigaa\ImagePath = "C:\\Windows\\SysWOW64\\gaimigaa\\dlaerpyy.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3342576763-1998465526-3870295501-1000\Control Panel\International\Geo\Nation	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe

Deletes itself 1 IoCs

pid	Process
4528	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2456	dlaerpyy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2456 set thread context of 4528	2456	dlaerpyy.exe	105

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
3316	sc.exe
3296	sc.exe
3684	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4500	1092	WerFault.exe	85
4620	2456	WerFault.exe	99

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dlaerpyy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1092 wrote to memory of 3312	1092	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe	89
PID 1092 wrote to memory of 3312	1092	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe	89
PID 1092 wrote to memory of 3312	1092	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe	89
PID 1092 wrote to memory of 3360	1092	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe	91
PID 1092 wrote to memory of 3360	1092	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe	91
PID 1092 wrote to memory of 3360	1092	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe	91
PID 1092 wrote to memory of 3316	1092	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe	93
PID 1092 wrote to memory of 3316	1092	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe	93
PID 1092 wrote to memory of 3316	1092	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe	93
PID 1092 wrote to memory of 3296	1092	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe	95
PID 1092 wrote to memory of 3296	1092	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe	95
PID 1092 wrote to memory of 3296	1092	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe	95
PID 1092 wrote to memory of 3684	1092	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe	97
PID 1092 wrote to memory of 3684	1092	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe	97
PID 1092 wrote to memory of 3684	1092	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe	97
PID 1092 wrote to memory of 5768	1092	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe	100
PID 1092 wrote to memory of 5768	1092	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe	100
PID 1092 wrote to memory of 5768	1092	2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe	100
PID 2456 wrote to memory of 4528	2456	dlaerpyy.exe	105
PID 2456 wrote to memory of 4528	2456	dlaerpyy.exe	105
PID 2456 wrote to memory of 4528	2456	dlaerpyy.exe	105
PID 2456 wrote to memory of 4528	2456	dlaerpyy.exe	105
PID 2456 wrote to memory of 4528	2456	dlaerpyy.exe	105

C:\Users\Admin\AppData\Local\Temp\2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1092
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gaimigaa\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3312
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dlaerpyy.exe" C:\Windows\SysWOW64\gaimigaa\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3360
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gaimigaa binPath= "C:\Windows\SysWOW64\gaimigaa\dlaerpyy.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3316
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gaimigaa "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3296
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gaimigaa
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3684
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:5768
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1092 -s 1208
  2⤵
  - Program crash
  PID:4500

C:\Windows\SysWOW64\gaimigaa\dlaerpyy.exe
C:\Windows\SysWOW64\gaimigaa\dlaerpyy.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-05-08_7156ffc1d2c3942035bd1b5e8b735fde_amadey_elex_gcleaner_rhadamanthys_smoke-loader_tofsee.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2456 -s 508
  2⤵
  - Program crash
  PID:4620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1092 -ip 1092
1⤵
PID:4428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2456 -ip 2456
1⤵
PID:4664

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\dlaerpyy.exe

Filesize
11.9MB

MD5
22623bc1178a50ccb00c668ae329da09

SHA1
70a5e16755c37ec02dda1223e5f5602e360deb56

SHA256
4fea1fc7a1c52ae1b992eedd6577ed5ea7bdfba6ca9fb9e0786a586a4153b778

SHA512
401e687cb12fb94112001b58cd473e84aaf917f407c0d03827f7587aaf7b8ca38a75a35e4cd269f77d41fb5d224aabdeb96d2901f4c0cf0e0a50ea79eea79f7b

Download Submit
memory/1092-1-0x0000000001B10000-0x0000000001C10000-memory.dmp

Filesize
1024KB

Download
memory/1092-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/1092-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1092-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1092-7-0x0000000000400000-0x0000000001A9F000-memory.dmp

Filesize
22.6MB

Download
memory/1092-8-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2456-15-0x0000000000400000-0x0000000001A9F000-memory.dmp

Filesize
22.6MB

Download
memory/4528-11-0x0000000000960000-0x0000000000975000-memory.dmp

Filesize
84KB

Download
memory/4528-13-0x0000000000960000-0x0000000000975000-memory.dmp

Filesize
84KB

Download
memory/4528-14-0x0000000000960000-0x0000000000975000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads