Overview

overview

10

Static

static

3b1ecaa75a...e2.exe

windows7-x64

10

3b1ecaa75a...e2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3b1ecaa75aea2d88f951ad45dad108d7e1ba9fdf56bcc34fcf7ab8b58c5eeee2

  • Size

    788KB

  • Sample

    221012-1akzwsdbd5

  • MD5

    615d3ff5f5ce005a389a449840076c60

  • SHA1

    8cb3f195b4448968c98c78182168d305103095bd

  • SHA256

    3b1ecaa75aea2d88f951ad45dad108d7e1ba9fdf56bcc34fcf7ab8b58c5eeee2

  • SHA512

    63f5613736c2b9f1be812356279ae90b4c3d421b6e5737b3e54090bc72317c0e10d3061b4c084c8dc10a59ae3eb514af85bca1b07cfef526d12a08c8839472e0

  • SSDEEP

    24576:nydhdSZQgDjhwXklxaUpOh+bVtDSLVIlAiTc1iq:7Zd/WOxavh4VILVWAiTEj

Score
10/10
darkcomethackpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Hack

C2

gnx.zapto.org:1604

Mutex

DC_MUTEX-JPB8HU8

Attributes
  • InstallPath

    MSDCSC\AppleMobileDevide.exe

  • gencode

    H0ZSpRUYyeXZ

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      3b1ecaa75aea2d88f951ad45dad108d7e1ba9fdf56bcc34fcf7ab8b58c5eeee2

    • Size

      788KB

    • MD5

      615d3ff5f5ce005a389a449840076c60

    • SHA1

      8cb3f195b4448968c98c78182168d305103095bd

    • SHA256

      3b1ecaa75aea2d88f951ad45dad108d7e1ba9fdf56bcc34fcf7ab8b58c5eeee2

    • SHA512

      63f5613736c2b9f1be812356279ae90b4c3d421b6e5737b3e54090bc72317c0e10d3061b4c084c8dc10a59ae3eb514af85bca1b07cfef526d12a08c8839472e0

    • SSDEEP

      24576:nydhdSZQgDjhwXklxaUpOh+bVtDSLVIlAiTc1iq:7Zd/WOxavh4VILVWAiTEj

    Score
    10/10
    darkcomethackpersistencerattrojan

    • 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

    • Suspicious use of SetThreadContext

    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