Overview

overview

10

Static

static

10

b6d5270e67...18.exe

windows7-x64

10

b6d5270e67...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b6d5270e6708908ff56aa91b1819be27_JaffaCakes118

  • Size

    658KB

  • Sample

    240617-feqeysyglj

  • MD5

    b6d5270e6708908ff56aa91b1819be27

  • SHA1

    2853224a79305568447ac9f90dc487db38072298

  • SHA256

    47ed5cd03fc6c390a69d18d68b0a8050380c6a33291e62d56d9e5843bf81791f

  • SHA512

    44163845b0468f84fc83c7ee158c30060e4a614cd8cd756c6942c8406f186fd367830626066437cd38d0058ef3ac2317941ebd691a10362cefedfae7488809b0

  • SSDEEP

    12288:i9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyFD:OiBIGkbxqEcjsWiDxguehC2SE

Score
10/10
darkcometmicrosoftevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Microsoft

C2

194.44.227.222:1604

Mutex

DC_MUTEX-9EAU4H7

Attributes
  • InstallPath

    msdcsc.exe

  • gencode

    yfo42AVZBkbG

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      b6d5270e6708908ff56aa91b1819be27_JaffaCakes118

    • Size

      658KB

    • MD5

      b6d5270e6708908ff56aa91b1819be27

    • SHA1

      2853224a79305568447ac9f90dc487db38072298

    • SHA256

      47ed5cd03fc6c390a69d18d68b0a8050380c6a33291e62d56d9e5843bf81791f

    • SHA512

      44163845b0468f84fc83c7ee158c30060e4a614cd8cd756c6942c8406f186fd367830626066437cd38d0058ef3ac2317941ebd691a10362cefedfae7488809b0

    • SSDEEP

      12288:i9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyFD:OiBIGkbxqEcjsWiDxguehC2SE

    Score
    10/10
    darkcometmicrosoftevasionpersistencerattrojan

    • 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

    • 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