Overview

overview

10

Static

static

46b6eca723...68.exe

windows7_x64

10

46b6eca723...68.exe

windows10-2004_x64

1

Sharing

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General

  • Target

    46b6eca723ff6847d9ca7faa01668a7a4099fd84996f7b0172138f965e510768

  • Size

    892KB

  • Sample

    220309-j4m8nsfdb7

  • MD5

    c3ef33d077f1471aabf89c3042b0e54a

  • SHA1

    ec312ee6026b175c5a73b61b04da1f710fc55a4e

  • SHA256

    46b6eca723ff6847d9ca7faa01668a7a4099fd84996f7b0172138f965e510768

  • SHA512

    b3e7f023f8ab2d48a2c9f2dd906d44ebd4e61055b8519f0a722985dfd3fcfc90bf3795eead0fc999e692f0a3fa6fee46697e26ed93166a4e0b267deddaccb071

Score
10/10
darkcometsazanevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

C2

ffhjfgkjdfg.tk:45622

Mutex

DC_MUTEX-CAQ9PVQ

Attributes
  • InstallPath

    SYS\Syscal.exe

  • gencode

    qsfrz9ZVMWyN

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    SystemCalculator

Targets

    • Target

      46b6eca723ff6847d9ca7faa01668a7a4099fd84996f7b0172138f965e510768

    • Size

      892KB

    • MD5

      c3ef33d077f1471aabf89c3042b0e54a

    • SHA1

      ec312ee6026b175c5a73b61b04da1f710fc55a4e

    • SHA256

      46b6eca723ff6847d9ca7faa01668a7a4099fd84996f7b0172138f965e510768

    • SHA512

      b3e7f023f8ab2d48a2c9f2dd906d44ebd4e61055b8519f0a722985dfd3fcfc90bf3795eead0fc999e692f0a3fa6fee46697e26ed93166a4e0b267deddaccb071

    Score
    10/10
    darkcometsazanevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks