Overview

overview

10

Static

static

10

6c558b7362...76.exe

windows7-x64

10

6c558b7362...76.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6c558b7362042a71e0beeffd0da23db179d2b935057797f18a52b01aae41a076

  • Size

    252KB

  • Sample

    221126-pv75dadb63

  • MD5

    21836683e1e069fa3d4442012a9d05ec

  • SHA1

    a02c0201fd75583ddd0f02a1884043e23b9bf361

  • SHA256

    6c558b7362042a71e0beeffd0da23db179d2b935057797f18a52b01aae41a076

  • SHA512

    a52b1fe19608f7d1c4d725a271573a7f77c879deffafcc8bb9ad762f2a543f5ea21f95f8c3322dad299f5be388a9f5e55f80da6363d5838c00cc706d6d05059a

  • SSDEEP

    6144:+cNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37O:+cW7KEZlPzCy37O

Score
10/10
darkcomethfevasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

HF

C2

safethinking.zapto.org:1604

Mutex

DC_MUTEX-KT2FTNQ

Attributes
  • InstallPath

    MSDCSC\svchost.exe

  • gencode

    lTyaLcKeh2KY

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    svchost

Targets

    • Target

      6c558b7362042a71e0beeffd0da23db179d2b935057797f18a52b01aae41a076

    • Size

      252KB

    • MD5

      21836683e1e069fa3d4442012a9d05ec

    • SHA1

      a02c0201fd75583ddd0f02a1884043e23b9bf361

    • SHA256

      6c558b7362042a71e0beeffd0da23db179d2b935057797f18a52b01aae41a076

    • SHA512

      a52b1fe19608f7d1c4d725a271573a7f77c879deffafcc8bb9ad762f2a543f5ea21f95f8c3322dad299f5be388a9f5e55f80da6363d5838c00cc706d6d05059a

    • SSDEEP

      6144:+cNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37O:+cW7KEZlPzCy37O

    Score
    10/10
    darkcomethfevasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • UPX packed file

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

      upx

    • Checks computer location settings

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

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

2
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

7
T1112

Disabling Security Tools

2
T1089

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks