Overview

overview

10

Static

static

10

dllhost.exe

windows7-x64

10

Sharing

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General

  • Target

    dllhost.exe

  • Size

    660KB

  • Sample

    240621-npzels1hqq

  • MD5

    275a9a3c0cdb314e10f0a907dc0b1641

  • SHA1

    6296d7083b3e17eeaeaf64d36aa926bd1fa42cf3

  • SHA256

    068042929b3403471969edaef490169563b64c8ec395e16c92145268dd736f1e

  • SHA512

    63bfc6f91934241c9ce08f1f1065672de3dbcf606b1e8c27bd291d8b8062a2641fcf31bdcecb0314f9acb0d9610efbb0fffb44bff92d41b446ceaebb4da037c5

  • SSDEEP

    12288:EXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452UV:SnAw2WWeFcfbP9VPSPMTSPL/rWvzq4JF

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

carolina-reverse.gl.at.ply.gg:34609

Mutex

DC_MUTEX-KVCYV5H

Attributes
  • InstallPath

    Dllhost\msdcsc.exe

  • gencode

    JWFse0P6Aj5x

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    Solara

Targets

    • Target

      dllhost.exe

    • Size

      660KB

    • MD5

      275a9a3c0cdb314e10f0a907dc0b1641

    • SHA1

      6296d7083b3e17eeaeaf64d36aa926bd1fa42cf3

    • SHA256

      068042929b3403471969edaef490169563b64c8ec395e16c92145268dd736f1e

    • SHA512

      63bfc6f91934241c9ce08f1f1065672de3dbcf606b1e8c27bd291d8b8062a2641fcf31bdcecb0314f9acb0d9610efbb0fffb44bff92d41b446ceaebb4da037c5

    • SSDEEP

      12288:EXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452UV:SnAw2WWeFcfbP9VPSPMTSPL/rWvzq4JF

    Score
    10/10
    darkcometguest16persistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1

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

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks