Overview

overview

10

Static

static

10

ad74b3a4b9...c7.exe

windows7-x64

10

ad74b3a4b9...c7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ad74b3a4b91a33bf10fb006440e561ce09f1eb76d3eb666f66afceaa89d250c7

  • Size

    658KB

  • Sample

    221202-eh4w3sbe72

  • MD5

    7575271ff59904a601439ab0b1bdeec1

  • SHA1

    7e38d0f392b44210e3d535c99c5eca85f4d4f6f3

  • SHA256

    ad74b3a4b91a33bf10fb006440e561ce09f1eb76d3eb666f66afceaa89d250c7

  • SHA512

    786c72762e207fe91b429ddc302b04fdc8c2497fc82fc8dfd2d068ea9cfca89ca1effd8c2b893e656cf195536c7ba3f4984961b5ec47d9c2d47658f4ff6027e9

  • SSDEEP

    12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h9:eZ1xuVVjfFoynPaVBUR8f+kN10EBz

Score
10/10
darkcomethfpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

HF

C2

thersbuisness.no-ip.org:1604

Mutex

DC_MUTEX-CE1YQYQ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    5g634TnJfTKq

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      ad74b3a4b91a33bf10fb006440e561ce09f1eb76d3eb666f66afceaa89d250c7

    • Size

      658KB

    • MD5

      7575271ff59904a601439ab0b1bdeec1

    • SHA1

      7e38d0f392b44210e3d535c99c5eca85f4d4f6f3

    • SHA256

      ad74b3a4b91a33bf10fb006440e561ce09f1eb76d3eb666f66afceaa89d250c7

    • SHA512

      786c72762e207fe91b429ddc302b04fdc8c2497fc82fc8dfd2d068ea9cfca89ca1effd8c2b893e656cf195536c7ba3f4984961b5ec47d9c2d47658f4ff6027e9

    • SSDEEP

      12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h9:eZ1xuVVjfFoynPaVBUR8f+kN10EBz

    Score
    10/10
    darkcomethfpersistencerattrojan

    • 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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks