Overview

overview

10

Static

static

3

27301064cf...18.exe

windows7-x64

10

27301064cf...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    27301064cf1a636915f82a936c31b445_JaffaCakes118

  • Size

    1.8MB

  • Sample

    240705-2yqeysybmr

  • MD5

    27301064cf1a636915f82a936c31b445

  • SHA1

    da4ec295d875c16bbfae8acebe5a02f64172ec67

  • SHA256

    091743817757abb173e42f3ab2f2f01b5769ab7f643271151dd527ece2e633ee

  • SHA512

    4fa5cff18f3d286a83271a4ea2a7dd3d0f5190e7387ea8c50da3340583c91a89444d7a1cf2b222d94cf8a615a76296933fe12be362dba860cd18ce86a67a9e29

  • SSDEEP

    12288:SOsVxon77vb2GAQ9ed9hCJjSZlUT92OlRBv1D3iBX47xX8s4X/6RwHEc3q+XP/wh:oKAQ9exbQkuiKu6pt1r5P/Fa

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

darkcomet2013.no-ip.biz:1500

192.168.1.71:1500
Mutex

DC_MUTEX-9LQ2QJ5

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    30ibXWq2y5dh

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      27301064cf1a636915f82a936c31b445_JaffaCakes118

    • Size

      1.8MB

    • MD5

      27301064cf1a636915f82a936c31b445

    • SHA1

      da4ec295d875c16bbfae8acebe5a02f64172ec67

    • SHA256

      091743817757abb173e42f3ab2f2f01b5769ab7f643271151dd527ece2e633ee

    • SHA512

      4fa5cff18f3d286a83271a4ea2a7dd3d0f5190e7387ea8c50da3340583c91a89444d7a1cf2b222d94cf8a615a76296933fe12be362dba860cd18ce86a67a9e29

    • SSDEEP

      12288:SOsVxon77vb2GAQ9ed9hCJjSZlUT92OlRBv1D3iBX47xX8s4X/6RwHEc3q+XP/wh:oKAQ9exbQkuiKu6pt1r5P/Fa

    Score
    10/10
    darkcometguest16evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

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

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks