Overview

overview

10

Static

static

92ca5e43bb...7c.exe

windows7-x64

10

92ca5e43bb...7c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    92ca5e43bb22376cd1995ba5664a92690ee01b44930809619422fffe2f200e7c

  • Size

    1009KB

  • Sample

    221128-gnbtlaeh7t

  • MD5

    e0fecd1853ec03f20e8d2cc28b7012da

  • SHA1

    93a0a322615876ed4c625e0410ca1fdc08e8ad8b

  • SHA256

    92ca5e43bb22376cd1995ba5664a92690ee01b44930809619422fffe2f200e7c

  • SHA512

    efc56b9c045eef8df9072c99d28b7797b17e64fc337152ca7816975f608717f9b0df0c652e138f5fc071b7838e91f4460eed0ea99c668881b37e3863657191e9

  • SSDEEP

    24576:w3/+i1/ShId2i5JZYb/v5goqv2rL7fimsAONU:wXO8g

Score
10/10
darkcometrsaccspersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

RSACCS

C2

trojanhasswag.chickenkiller.com:1337

Mutex

DCMIN_MUTEX-SHQRVP8

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    PwMPh90f59Ky

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      92ca5e43bb22376cd1995ba5664a92690ee01b44930809619422fffe2f200e7c

    • Size

      1009KB

    • MD5

      e0fecd1853ec03f20e8d2cc28b7012da

    • SHA1

      93a0a322615876ed4c625e0410ca1fdc08e8ad8b

    • SHA256

      92ca5e43bb22376cd1995ba5664a92690ee01b44930809619422fffe2f200e7c

    • SHA512

      efc56b9c045eef8df9072c99d28b7797b17e64fc337152ca7816975f608717f9b0df0c652e138f5fc071b7838e91f4460eed0ea99c668881b37e3863657191e9

    • SSDEEP

      24576:w3/+i1/ShId2i5JZYb/v5goqv2rL7fimsAONU:wXO8g

    Score
    10/10
    darkcometrsaccspersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

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

Tasks