Overview

overview

10

Static

static

10

45f86cc0ed...ae.exe

windows7-x64

10

45f86cc0ed...ae.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    45f86cc0ed0de5f415a780debfbed189cef5baf07276af805e16513a5c4ccbae

  • Size

    660KB

  • Sample

    221201-l3h9fabh4y

  • MD5

    0092838bfe137c5b3cb81384cc752a10

  • SHA1

    58135f256464a3b4fc82473244f45da8dadd0048

  • SHA256

    45f86cc0ed0de5f415a780debfbed189cef5baf07276af805e16513a5c4ccbae

  • SHA512

    452aa9eab9363ce4cc0d763632389496905aa46def3d2338831175d6a90f1466bf96914b759b18892e00933db6b83bcbdae266f515bf6259ce88905784323155

  • SSDEEP

    12288:0XhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452UG:inAw2WWeFcfbP9VPSPMTSPL/rWvzq4JW

Score
10/10
darkcomettimevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Tim

C2

trollo.zapto.org:1605

Mutex

DC_MUTEX-4CC7RLB

Attributes
  • InstallPath

    svhost\svhost.exe

  • gencode

    iKWKGxcC6jL6

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    svhost

Targets

    • Target

      45f86cc0ed0de5f415a780debfbed189cef5baf07276af805e16513a5c4ccbae

    • Size

      660KB

    • MD5

      0092838bfe137c5b3cb81384cc752a10

    • SHA1

      58135f256464a3b4fc82473244f45da8dadd0048

    • SHA256

      45f86cc0ed0de5f415a780debfbed189cef5baf07276af805e16513a5c4ccbae

    • SHA512

      452aa9eab9363ce4cc0d763632389496905aa46def3d2338831175d6a90f1466bf96914b759b18892e00933db6b83bcbdae266f515bf6259ce88905784323155

    • SSDEEP

      12288:0XhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452UG:inAw2WWeFcfbP9VPSPMTSPL/rWvzq4JW

    Score
    10/10
    darkcomettimevasionpersistencerattrojan

    • 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

    • 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

6
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