Overview

overview

10

Static

static

10

JaffaCakes...50.exe

windows7-x64

10

JaffaCakes...50.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_6c34fdea65a4058dd18567b20209b950

  • Size

    283KB

  • Sample

    250103-nagagszpex

  • MD5

    6c34fdea65a4058dd18567b20209b950

  • SHA1

    a7d7d0e2876dfce3b96b47e74b4699fbd6bb3bec

  • SHA256

    5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551

  • SHA512

    ae3bb1a0640d9641a545bc3d0c44388ce213f5049e1a896cf7e0b6fa1a8da755a9da7dc6dc29d294f4a4fdb9e907959cf0cb2fa104d08eac6c79915c87c7528d

  • SSDEEP

    6144:ycNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37hjW:ycW7KEZlPzCy37hjW

Score
10/10
darkcomettiodiscoveryevasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

tio

C2

2.82.41.139:80

Mutex

DC_MUTEX-277EST2

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    EnEvlyl9AxvG

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      JaffaCakes118_6c34fdea65a4058dd18567b20209b950

    • Size

      283KB

    • MD5

      6c34fdea65a4058dd18567b20209b950

    • SHA1

      a7d7d0e2876dfce3b96b47e74b4699fbd6bb3bec

    • SHA256

      5063ad8b412f2676fd2b0adbd3cf3b07de285b768ad414b7a2cd093747e76551

    • SHA512

      ae3bb1a0640d9641a545bc3d0c44388ce213f5049e1a896cf7e0b6fa1a8da755a9da7dc6dc29d294f4a4fdb9e907959cf0cb2fa104d08eac6c79915c87c7528d

    • SSDEEP

      6144:ycNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37hjW:ycW7KEZlPzCy37hjW

    Score
    10/10
    darkcomettiodiscoveryevasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

7
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks