Overview

overview

10

Static

static

10

24a695bd98...18.exe

windows7-x64

10

24a695bd98...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    24a695bd98fe12ff40dfea58fa37a87e_JaffaCakes118

  • Size

    651KB

  • Sample

    240704-e83fyavdkq

  • MD5

    24a695bd98fe12ff40dfea58fa37a87e

  • SHA1

    a6f2d32c7e0dca5cf6f116e4805b093e3c672256

  • SHA256

    7044ddd8b6a0a4dd7edd7989da538ed017522e3665ce3d0eaef606123a922f50

  • SHA512

    0318fae3986389a91edfb4ae11509178993f4d3f0a588a9c369be1432a091c6c8d5abf697353dedf79d2c2dd4be08f20751c1fe5b6a56dcfa100e9e0d552ed23

  • SSDEEP

    12288:Lk0QVlhmPojAPTMEsUTg0oChO/Q2JbsbjPbN5qhRTtYe3f+Iw86k/9/+y:g0QRWoJEfg0oChGdJQbjPbNW5tYeP+GX

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

mnanauk-dz.no-ip.biz:1604

Mutex

DC_MUTEX-EB46CLG

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    rpfQbN9b66NT

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      24a695bd98fe12ff40dfea58fa37a87e_JaffaCakes118

    • Size

      651KB

    • MD5

      24a695bd98fe12ff40dfea58fa37a87e

    • SHA1

      a6f2d32c7e0dca5cf6f116e4805b093e3c672256

    • SHA256

      7044ddd8b6a0a4dd7edd7989da538ed017522e3665ce3d0eaef606123a922f50

    • SHA512

      0318fae3986389a91edfb4ae11509178993f4d3f0a588a9c369be1432a091c6c8d5abf697353dedf79d2c2dd4be08f20751c1fe5b6a56dcfa100e9e0d552ed23

    • SSDEEP

      12288:Lk0QVlhmPojAPTMEsUTg0oChO/Q2JbsbjPbN5qhRTtYe3f+Iw86k/9/+y:g0QRWoJEfg0oChGdJQbjPbNW5tYeP+GX

    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