Overview

overview

10

Static

static

10

c406d53d84...8c.exe

windows7-x64

10

c406d53d84...8c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c406d53d8486f92fbf3af60b2c1c5805e563914a1f126a484003d47a0ab3c28c

  • Size

    658KB

  • Sample

    221107-tfrajaehg4

  • MD5

    0da4e01208beaa797a70412be66ee9f1

  • SHA1

    47d5145ebe65daf55fec720d8710f49195cc1847

  • SHA256

    c406d53d8486f92fbf3af60b2c1c5805e563914a1f126a484003d47a0ab3c28c

  • SHA512

    46d983487c4e03c7581480c4622351737a699a0901614f7dc7a78006eb8076ac359faecf3b874287928971da694f8f8c4e6b8c01911a6179d1c1c8a671e2b13c

  • SSDEEP

    12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hK:eZ1xuVVjfFoynPaVBUR8f+kN10EBw

Score
10/10
darkcomettest1persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

test1

C2

gmailsupport.no-ip.biz:999

Mutex

DCMIN_MUTEX-D4AS0UV

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    boLLJJVbMC0g

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      c406d53d8486f92fbf3af60b2c1c5805e563914a1f126a484003d47a0ab3c28c

    • Size

      658KB

    • MD5

      0da4e01208beaa797a70412be66ee9f1

    • SHA1

      47d5145ebe65daf55fec720d8710f49195cc1847

    • SHA256

      c406d53d8486f92fbf3af60b2c1c5805e563914a1f126a484003d47a0ab3c28c

    • SHA512

      46d983487c4e03c7581480c4622351737a699a0901614f7dc7a78006eb8076ac359faecf3b874287928971da694f8f8c4e6b8c01911a6179d1c1c8a671e2b13c

    • SSDEEP

      12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hK:eZ1xuVVjfFoynPaVBUR8f+kN10EBw

    Score
    10/10
    darkcomettest1persistencerattrojan

    • 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