Overview

overview

10

Static

static

10

JaffaCakes...1a.exe

windows7-x64

10

JaffaCakes...1a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_01e5759dd243197c4d9445990455391a

  • Size

    690KB

  • Sample

    250218-1sv8kszngl

  • MD5

    01e5759dd243197c4d9445990455391a

  • SHA1

    152dd40a843512103c5b787d556c95525f9f522a

  • SHA256

    0c4288e3cb321110394bb0fb0170a7758c252461587fa44d106071931861f328

  • SHA512

    2aaccce0f085e2a83ab2aea8e5fb922a19cf4f2d6992a19da831df43ba4618e77147c59135a11525973c3ece5ef0b707b2bce3c6a86a3ce54c3c7ac00882c01c

  • SSDEEP

    12288:Z9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hr4:jZ1xuVVjfFoynPaVBUR8f+kN10EB2

Score
10/10
darkcometfrancescadefense_evasiondiscoverypersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Francesca

C2

127.0.0.1:1604

Mutex

DC_MUTEX-VBGS019

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    S4kFyDdUh4FU

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      JaffaCakes118_01e5759dd243197c4d9445990455391a

    • Size

      690KB

    • MD5

      01e5759dd243197c4d9445990455391a

    • SHA1

      152dd40a843512103c5b787d556c95525f9f522a

    • SHA256

      0c4288e3cb321110394bb0fb0170a7758c252461587fa44d106071931861f328

    • SHA512

      2aaccce0f085e2a83ab2aea8e5fb922a19cf4f2d6992a19da831df43ba4618e77147c59135a11525973c3ece5ef0b707b2bce3c6a86a3ce54c3c7ac00882c01c

    • SSDEEP

      12288:Z9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hr4:jZ1xuVVjfFoynPaVBUR8f+kN10EB2

    Score
    10/10
    darkcometfrancescadefense_evasiondiscoverypersistencerattrojan

    • 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

      defense_evasion

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables Task Manager via registry modification

      defense_evasion

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      defense_evasion

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    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

1
T1543

Windows Service

1
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

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

3
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