Overview

overview

10

Static

static

3

21ce0bf3df...18.exe

windows7-x64

10

21ce0bf3df...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    21ce0bf3df358c7a3d87034d4cba8a73_JaffaCakes118

  • Size

    281KB

  • Sample

    240703-k3c7rawaqb

  • MD5

    21ce0bf3df358c7a3d87034d4cba8a73

  • SHA1

    d3cf383529b827668a581a517bab63fd1f5064f6

  • SHA256

    fc2e03dee1a62f0c7b6e84354a3bb187588f78048d4aad87a01cb967f9df3844

  • SHA512

    b9a1aefc6961cdc4eeebf17d6fa0c4ddff36da64a9dbdab6a419c72b3a822fb1beb20d35db2a676a709b69ab6b2edb5af9044ef72032aea11bfc6df99b33a61a

  • SSDEEP

    6144:2PFhbjbYGBWA72gTXbbqidowX3CJkwWXejkJEwwRlu:KXfbhocLb9owX3CJ3cejkuwG

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

www2q.hopto.org:1604

Mutex

DC_MUTEX-PTGB02B

Attributes
  • InstallPath

    Up\Update.exe

  • gencode

    fFbst8hvUYyb

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

Targets

    • Target

      21ce0bf3df358c7a3d87034d4cba8a73_JaffaCakes118

    • Size

      281KB

    • MD5

      21ce0bf3df358c7a3d87034d4cba8a73

    • SHA1

      d3cf383529b827668a581a517bab63fd1f5064f6

    • SHA256

      fc2e03dee1a62f0c7b6e84354a3bb187588f78048d4aad87a01cb967f9df3844

    • SHA512

      b9a1aefc6961cdc4eeebf17d6fa0c4ddff36da64a9dbdab6a419c72b3a822fb1beb20d35db2a676a709b69ab6b2edb5af9044ef72032aea11bfc6df99b33a61a

    • SSDEEP

      6144:2PFhbjbYGBWA72gTXbbqidowX3CJkwWXejkJEwwRlu:KXfbhocLb9owX3CJ3cejkuwG

    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.

    • Deletes itself

    • 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