Overview

overview

10

Static

static

10

f35cec3eac...18.exe

windows7-x64

10

f35cec3eac...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f35cec3eacc50d65da694d4a78915a23_JaffaCakes118

  • Size

    658KB

  • Sample

    240416-m8h2asaf5s

  • MD5

    f35cec3eacc50d65da694d4a78915a23

  • SHA1

    c9e64bf495a16056b9b4d84b13e7cf662580f0d2

  • SHA256

    50eead865b8c7f1340eed849b3b4cedaa1285e1d2e398f88b79de416b94b5ddd

  • SHA512

    a2bf10ac563130d2eaaf7f28b6b9d3ff4add702fe475fa2d54c66f64afd1d0dabe2b8c7522c28d4f1b1a34df46dd43b194bcefd2350fd244635761de889d20b5

  • SSDEEP

    12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLd9Ek5C/hU:+Z1xuVVjfFoynPaVBUR8f+kN1PEBq

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

ersg2013.zapto.org:28

Mutex

DC_MUTEX-GY2H3ER

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    52QzXvZVaWLU

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      f35cec3eacc50d65da694d4a78915a23_JaffaCakes118

    • Size

      658KB

    • MD5

      f35cec3eacc50d65da694d4a78915a23

    • SHA1

      c9e64bf495a16056b9b4d84b13e7cf662580f0d2

    • SHA256

      50eead865b8c7f1340eed849b3b4cedaa1285e1d2e398f88b79de416b94b5ddd

    • SHA512

      a2bf10ac563130d2eaaf7f28b6b9d3ff4add702fe475fa2d54c66f64afd1d0dabe2b8c7522c28d4f1b1a34df46dd43b194bcefd2350fd244635761de889d20b5

    • SSDEEP

      12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLd9Ek5C/hU:+Z1xuVVjfFoynPaVBUR8f+kN1PEBq

    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
    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