3da70bfeaa30198d54c0a50058fd10bdc53fa0c7fd972b79ca3836002abe7ea9

Analysis

max time kernel
104s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20250502-en
resource tags

arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system
submitted
21/05/2025, 00:13

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General

Target

ThreadCore.dll
Size

77KB
MD5

f6e668ebcc5deb4b652f6568378a4c2f
SHA1

05b98ae780648a567340d97414f7ccfc85181c85
SHA256

8b21474dec836da8ae8cbe705d7b244b88a062b6f465128bb782a9429330fa8e
SHA512

1d1ff708ddcb47f69375f521d83fe901055b529d215f52c7e3acb9dbec30b3190c03fad2b7db4d79cbcf0777bdfb1733f26495da31ccce5922c1966e73c3dbd8
SSDEEP

1536:4jInhBLrTsBZ4KHU8c5AmYORoM7HxbBnJ7Ztxk:48nP4z0DlRoM5hJdw

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2728	2112	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 6036 wrote to memory of 2112	6036	rundll32.exe	87
PID 6036 wrote to memory of 2112	6036	rundll32.exe	87
PID 6036 wrote to memory of 2112	6036	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ThreadCore.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:6036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ThreadCore.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2112
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 600
    3⤵
    - Program crash
    PID:2728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2112 -ip 2112
1⤵
PID:5880

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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