Overview

overview

10

Static

static

3

2025-05-08...ee.exe

windows10-2004-x64

10

2025-05-08...ee.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    2025-05-08_1330bafad7e48c9e1b54f3eeceefdfe0_amadey_elex_gcleaner_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee

  • Size

    13.5MB

  • Sample

    250508-clckwsxsht

  • MD5

    1330bafad7e48c9e1b54f3eeceefdfe0

  • SHA1

    d1a5c1f84ef3febe460d9e08a3143b8f50116619

  • SHA256

    3bbea796ad9d09c3f444cc0f61c1651b8f593ce56a97db76b6ec6e018697da91

  • SHA512

    f51909689993de072f7504a84dcff1d567d370544fb38552c1062c72ffe3de404ccda746cc1edda994fb16ec17b8ad57cfe8c050fd60eecfbc13d07f5f36f46a

  • SSDEEP

    6144:kOFZnjC+veRxHUa6E8PcGQ1GNTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT:tfnjH6m99ZaG

Score
10/10
tofseedefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Targets

    • Target

      2025-05-08_1330bafad7e48c9e1b54f3eeceefdfe0_amadey_elex_gcleaner_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee

    • Size

      13.5MB

    • MD5

      1330bafad7e48c9e1b54f3eeceefdfe0

    • SHA1

      d1a5c1f84ef3febe460d9e08a3143b8f50116619

    • SHA256

      3bbea796ad9d09c3f444cc0f61c1651b8f593ce56a97db76b6ec6e018697da91

    • SHA512

      f51909689993de072f7504a84dcff1d567d370544fb38552c1062c72ffe3de404ccda746cc1edda994fb16ec17b8ad57cfe8c050fd60eecfbc13d07f5f36f46a

    • SSDEEP

      6144:kOFZnjC+veRxHUa6E8PcGQ1GNTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT:tfnjH6m99ZaG

    Score
    10/10
    tofseedefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Tofsee family

      tofsee

    • Creates new service(s)

      persistenceexecution

    • Modifies Windows Firewall

      defense_evasion

    • Sets service image path in registry

      persistence

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

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

1
T1562.004

Modify Registry

1
T1112

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

Tasks

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