Overview

overview

10

Static

static

bffa061c49...3a.exe

windows7-x64

10

bffa061c49...3a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bffa061c4938a523859fe0e21a1dd79f85a98c751ca46153dc1199f7dde90e3a

  • Size

    1.7MB

  • Sample

    221203-gnjjfaae38

  • MD5

    5e653e5824314a011650dcc406b802cd

  • SHA1

    011075687bac2bbb8c3a02f3a0f87c3bbabc09b4

  • SHA256

    bffa061c4938a523859fe0e21a1dd79f85a98c751ca46153dc1199f7dde90e3a

  • SHA512

    e044c714964fb8ac6aab53a3c6a305ec5e7406d351ef71b693ff70b156b1fb32d4eb83c9cfc9d8aeef4d56c0ec3594bc491abb71b8f69c7dae69ed547986f5cb

  • SSDEEP

    24576:3fFT95vS0ErwXs8vmEHwfKss6U3RuFxDS:3tT9IbGYU3RuFx

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

qaz3.no-ip.info:81

Mutex

DC_MUTEX-H49DYYJ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    NWSuYEBfbuDN

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      bffa061c4938a523859fe0e21a1dd79f85a98c751ca46153dc1199f7dde90e3a

    • Size

      1.7MB

    • MD5

      5e653e5824314a011650dcc406b802cd

    • SHA1

      011075687bac2bbb8c3a02f3a0f87c3bbabc09b4

    • SHA256

      bffa061c4938a523859fe0e21a1dd79f85a98c751ca46153dc1199f7dde90e3a

    • SHA512

      e044c714964fb8ac6aab53a3c6a305ec5e7406d351ef71b693ff70b156b1fb32d4eb83c9cfc9d8aeef4d56c0ec3594bc491abb71b8f69c7dae69ed547986f5cb

    • SSDEEP

      24576:3fFT95vS0ErwXs8vmEHwfKss6U3RuFxDS:3tT9IbGYU3RuFx

    Score
    10/10
    darkcometguest16persistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks