Overview

overview

10

Static

static

10

af492ad989...18.exe

windows7-x64

10

af492ad989...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    af492ad9898a50b7cc80c200f33878c3_JaffaCakes118

  • Size

    758KB

  • Sample

    241129-gjve5svkel

  • MD5

    af492ad9898a50b7cc80c200f33878c3

  • SHA1

    290431a139b869b3645c842b9efe0ee70be724b1

  • SHA256

    ec4d2662a6d0c7bf402622ea0ed0782e0aeadf93cf71738c2b8a3498fe97dd8b

  • SHA512

    94e4cdbc6d1cdd2a69be624e92c09f011a58e61d9076b779eb41a5ce4c5da9209b0b3bc7a9398db7d767d6c2ccb83969da291db085979516daf183257994246a

  • SSDEEP

    12288:LXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Uw:TnAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jg

Score
10/10
darkcometguest16discoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

erpis.no-ip.org:1605

Mutex

DC_MUTEX-F54S21D

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    3UeH82jUifPd

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      af492ad9898a50b7cc80c200f33878c3_JaffaCakes118

    • Size

      758KB

    • MD5

      af492ad9898a50b7cc80c200f33878c3

    • SHA1

      290431a139b869b3645c842b9efe0ee70be724b1

    • SHA256

      ec4d2662a6d0c7bf402622ea0ed0782e0aeadf93cf71738c2b8a3498fe97dd8b

    • SHA512

      94e4cdbc6d1cdd2a69be624e92c09f011a58e61d9076b779eb41a5ce4c5da9209b0b3bc7a9398db7d767d6c2ccb83969da291db085979516daf183257994246a

    • SSDEEP

      12288:LXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Uw:TnAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jg

    Score
    10/10
    darkcometguest16discoveryevasionpersistencerattrojan

    • 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

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • 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

    • Windows security modification

      evasiontrojan

    • 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

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

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

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