Overview

overview

10

Static

static

3

01a7f3a4a6...18.exe

windows7-x64

10

01a7f3a4a6...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118

  • Size

    722KB

  • Sample

    240620-bm78hsverr

  • MD5

    01a7f3a4a6d130e6a0ff11d37f6a4ebc

  • SHA1

    e11bc9a1e7db0da48e957b70bdaf51728953c078

  • SHA256

    31aa89575ec425905dc0c6da6338cd805104648788c49e5468643fc05337aea2

  • SHA512

    3500d75773bb55dbad2926d858d6c953963f755d505e815aaa05c7ee8615d27788c0a01a2d98557ab5919347f76671056e443dd56c0439616087795a7df2843c

  • SSDEEP

    12288:+jh8NLq7IYXEJxXkEAIhFsFm6rjwmG7zxLic4CGWyOkge3eIb6C:tkItjXkxeOU6rjUzxLiXbWyBTeG6

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

sepeti.zapto.org:2323

Mutex

DC_MUTEX-FY997AJ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    oTWx7NHf7mfV

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      01a7f3a4a6d130e6a0ff11d37f6a4ebc_JaffaCakes118

    • Size

      722KB

    • MD5

      01a7f3a4a6d130e6a0ff11d37f6a4ebc

    • SHA1

      e11bc9a1e7db0da48e957b70bdaf51728953c078

    • SHA256

      31aa89575ec425905dc0c6da6338cd805104648788c49e5468643fc05337aea2

    • SHA512

      3500d75773bb55dbad2926d858d6c953963f755d505e815aaa05c7ee8615d27788c0a01a2d98557ab5919347f76671056e443dd56c0439616087795a7df2843c

    • SSDEEP

      12288:+jh8NLq7IYXEJxXkEAIhFsFm6rjwmG7zxLic4CGWyOkge3eIb6C:tkItjXkxeOU6rjUzxLiXbWyBTeG6

    Score
    10/10
    darkcometguest16persistencerattrojan

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks