Overview

overview

10

Static

static

3

02fd46f17e...18.exe

windows7-x64

10

02fd46f17e...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    02fd46f17ec2af02ca108972b9c183a2_JaffaCakes118

  • Size

    1.1MB

  • Sample

    240622-t6w9gaygnj

  • MD5

    02fd46f17ec2af02ca108972b9c183a2

  • SHA1

    900004b73bfee01f4e8c0650644b2f653363c804

  • SHA256

    78dbf9cefa204847ca312bd956fd91d7b9e6bb1021e4e45d438ac482600d4986

  • SHA512

    aba124b0de620885ba66423bc4b165e86843ca3e3bab92d885ada5dc922df11a0a67e2327977ca3cf2b26b431f47045d488e2a827d340a7c3c42ca201906918f

  • SSDEEP

    24576:TZ0EZ1jzrvhSINObNiHu03eUvZ9OZDVFa2JzV:Tltzzhne4OWeUvZSBQ2Jh

Score
10/10
darkcomettestevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

test

C2

tast.no-ip.biz:82

Mutex

DC_MUTEX-F54S21D

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    gKBQxzT6eDqb

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      02fd46f17ec2af02ca108972b9c183a2_JaffaCakes118

    • Size

      1.1MB

    • MD5

      02fd46f17ec2af02ca108972b9c183a2

    • SHA1

      900004b73bfee01f4e8c0650644b2f653363c804

    • SHA256

      78dbf9cefa204847ca312bd956fd91d7b9e6bb1021e4e45d438ac482600d4986

    • SHA512

      aba124b0de620885ba66423bc4b165e86843ca3e3bab92d885ada5dc922df11a0a67e2327977ca3cf2b26b431f47045d488e2a827d340a7c3c42ca201906918f

    • SSDEEP

      24576:TZ0EZ1jzrvhSINObNiHu03eUvZ9OZDVFa2JzV:Tltzzhne4OWeUvZSBQ2Jh

    Score
    10/10
    darkcomettestevasionpersistencerattrojan

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scripting

1
T1064

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

Scripting

1
T1064

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks