Overview

overview

10

Static

static

10

5863937336...18.exe

windows7-x64

10

5863937336...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    58639373364af48018278c14c1f4a897_JaffaCakes118

  • Size

    658KB

  • Sample

    240519-eapgesgg3s

  • MD5

    58639373364af48018278c14c1f4a897

  • SHA1

    9ba681d7c4a3dc6ed86efe73506fc2a8a676f9a4

  • SHA256

    8de3b7637c2a61356820e7ba770b6e0f88b75b6da8c096534abc9a5544f68131

  • SHA512

    332360544cdb2818f21cd9bf413b969f9e84c43f6198789383872769501a9ba9f25b45414265cc045b411e2ba4b3bf7289071ae9fc16242127768e12f105568e

  • SSDEEP

    12288:S9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyFE:+iBIGkbxqEcjsWiDxguehC2S7

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

igorfeed.hopto.org:1604

Mutex

DC_MUTEX-W4HER07

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    VpYa3LzJ6naq

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      58639373364af48018278c14c1f4a897_JaffaCakes118

    • Size

      658KB

    • MD5

      58639373364af48018278c14c1f4a897

    • SHA1

      9ba681d7c4a3dc6ed86efe73506fc2a8a676f9a4

    • SHA256

      8de3b7637c2a61356820e7ba770b6e0f88b75b6da8c096534abc9a5544f68131

    • SHA512

      332360544cdb2818f21cd9bf413b969f9e84c43f6198789383872769501a9ba9f25b45414265cc045b411e2ba4b3bf7289071ae9fc16242127768e12f105568e

    • SSDEEP

      12288:S9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyFE:+iBIGkbxqEcjsWiDxguehC2S7

    Score
    10/10
    darkcometguest16evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • 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
    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