Overview

overview

10

Static

static

10

c6d6b33557...eb.exe

windows7-x64

10

c6d6b33557...eb.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c6d6b33557e9f71bfd7ae7c8fa4b99627e4d1439965bd50ddddfec8a7a0a78eb

  • Size

    261KB

  • Sample

    240308-agt82aaa56

  • MD5

    fafb8f0c046acb149cadd466a78d4245

  • SHA1

    798430ffb105221a01dd03bc77176f0a09493d1e

  • SHA256

    c6d6b33557e9f71bfd7ae7c8fa4b99627e4d1439965bd50ddddfec8a7a0a78eb

  • SHA512

    0fb7993cc62eb2872dc550eb0d5a5c3334574c330aa8bca384dc24e972ff4a79e3cfbcd49eed89b08b540ae6cbb64342c2fc7a245053b892e50710e11a54854b

  • SSDEEP

    6144:lcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37n:lcW7KEZlPzCy37n

Score
10/10
darkcomet1persistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

1

C2

igr15.noip.me:1604

Mutex

DC_MUTEX-79LYMZP

Attributes
  • InstallPath

    app\CCleaner\CCleaner-resident.exe

  • gencode

    psvXkE5w4SBk

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MSUpdate

Targets

    • Target

      c6d6b33557e9f71bfd7ae7c8fa4b99627e4d1439965bd50ddddfec8a7a0a78eb

    • Size

      261KB

    • MD5

      fafb8f0c046acb149cadd466a78d4245

    • SHA1

      798430ffb105221a01dd03bc77176f0a09493d1e

    • SHA256

      c6d6b33557e9f71bfd7ae7c8fa4b99627e4d1439965bd50ddddfec8a7a0a78eb

    • SHA512

      0fb7993cc62eb2872dc550eb0d5a5c3334574c330aa8bca384dc24e972ff4a79e3cfbcd49eed89b08b540ae6cbb64342c2fc7a245053b892e50710e11a54854b

    • SSDEEP

      6144:lcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37n:lcW7KEZlPzCy37n

    Score
    10/10
    darkcomet1persistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • UPX dump on OEP (original entry point)

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • 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

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks