Overview

overview

10

Static

static

10

d7d1c3306e...a4.exe

windows7-x64

10

d7d1c3306e...a4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d7d1c3306e39345ffbc2139666f1ad2493c5f44a2013568651a5a0b8794fdca4

  • Size

    658KB

  • Sample

    220731-wf796abcgl

  • MD5

    c6e98794d2a7a96b58e6931af36bb2a5

  • SHA1

    ee15ac66f20a5ffab46bcfbffcd6348514385970

  • SHA256

    d7d1c3306e39345ffbc2139666f1ad2493c5f44a2013568651a5a0b8794fdca4

  • SHA512

    a83da52e17d87fa840ad2f9fbabd21127262de18e8a799986078ca7c3355a55e8fa93c750b0795b547c15c4ce7724d3539869e91e4f4e91104970cf808503ada

Score
10/10
darkcometguest16_minpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

192.168.137.154:1604

Mutex

DCMIN_MUTEX-2UDD0SF

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    wRAmEt6SW9Sa

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      d7d1c3306e39345ffbc2139666f1ad2493c5f44a2013568651a5a0b8794fdca4

    • Size

      658KB

    • MD5

      c6e98794d2a7a96b58e6931af36bb2a5

    • SHA1

      ee15ac66f20a5ffab46bcfbffcd6348514385970

    • SHA256

      d7d1c3306e39345ffbc2139666f1ad2493c5f44a2013568651a5a0b8794fdca4

    • SHA512

      a83da52e17d87fa840ad2f9fbabd21127262de18e8a799986078ca7c3355a55e8fa93c750b0795b547c15c4ce7724d3539869e91e4f4e91104970cf808503ada

    Score
    10/10
    darkcometguest16_minpersistencerattrojan

    • 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
    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