Overview

overview

10

Static

static

3

1834f68349...18.exe

windows7-x64

10

1834f68349...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1834f6834978a185df442ff1c6efec71_JaffaCakes118

  • Size

    1011KB

  • Sample

    240628-bb9bfavcmm

  • MD5

    1834f6834978a185df442ff1c6efec71

  • SHA1

    3b55fae8eee6dfb172f1d8658e33a860ea1fd1c2

  • SHA256

    2969034b1ff9c108275be7ea6ac98161574f4c5af2ff44056792ab394a5771c1

  • SHA512

    c5abdcd310e92c6b4687ffb556fba68a34d25eb0f044790b30183376f7fecaa64968a38c12e69a9e893c70c45d82aec73f72dcdb84b08e41e052a2f9864f635f

  • SSDEEP

    24576:jvOTggIRfmQX3zRYC6FVZPv+FWe4Ys/E:zjYlDZ3+UT/E

Score
10/10
darkcometrumahevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

rumah

C2

192.168.1.3:10000

Mutex

DC_MUTEX-10Q9ZPU

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    oFKnv1gNw9GF

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      1834f6834978a185df442ff1c6efec71_JaffaCakes118

    • Size

      1011KB

    • MD5

      1834f6834978a185df442ff1c6efec71

    • SHA1

      3b55fae8eee6dfb172f1d8658e33a860ea1fd1c2

    • SHA256

      2969034b1ff9c108275be7ea6ac98161574f4c5af2ff44056792ab394a5771c1

    • SHA512

      c5abdcd310e92c6b4687ffb556fba68a34d25eb0f044790b30183376f7fecaa64968a38c12e69a9e893c70c45d82aec73f72dcdb84b08e41e052a2f9864f635f

    • SSDEEP

      24576:jvOTggIRfmQX3zRYC6FVZPv+FWe4Ys/E:zjYlDZ3+UT/E

    Score
    10/10
    darkcometrumahevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • 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

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks