Overview

overview

10

Static

static

3

28c5ada9bd...18.exe

windows7-x64

10

28c5ada9bd...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    28c5ada9bdc5ddbbe78b6227c63f0e05_JaffaCakes118

  • Size

    965KB

  • Sample

    240706-tl4g2sthlm

  • MD5

    28c5ada9bdc5ddbbe78b6227c63f0e05

  • SHA1

    62ebd4aabd6a24b814cab8d415fa1ed292c1d2c8

  • SHA256

    3be8a8db322b71e851ae241b124c4dfbdd76324b90b5c095a80bd310c65cc1a7

  • SHA512

    b97bc2aa006e09ab680c2a8983e972a8164cb5ec3c3f2789e6dd1e9f5f43d17da4ae7b416a03a6e768a322b25348b1dfe85ef13edb3afd1a5de1f98b10bb2f03

  • SSDEEP

    24576:isdyWeUke/H+zy8v6QTUwGF3bAP5cChEYBtPpq5:L4We7CH+m8v6QTU7pABcCKYro5

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

albums.no-ip.biz:200

Mutex

DC_MUTEX-ADN3WX1

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    5d9Sls52q93z

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    rundl32

Targets

    • Target

      28c5ada9bdc5ddbbe78b6227c63f0e05_JaffaCakes118

    • Size

      965KB

    • MD5

      28c5ada9bdc5ddbbe78b6227c63f0e05

    • SHA1

      62ebd4aabd6a24b814cab8d415fa1ed292c1d2c8

    • SHA256

      3be8a8db322b71e851ae241b124c4dfbdd76324b90b5c095a80bd310c65cc1a7

    • SHA512

      b97bc2aa006e09ab680c2a8983e972a8164cb5ec3c3f2789e6dd1e9f5f43d17da4ae7b416a03a6e768a322b25348b1dfe85ef13edb3afd1a5de1f98b10bb2f03

    • SSDEEP

      24576:isdyWeUke/H+zy8v6QTUwGF3bAP5cChEYBtPpq5:L4We7CH+m8v6QTU7pABcCKYro5

    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

    • Suspicious use of SetThreadContext

    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