Overview

overview

10

Static

static

3

test.exe

windows7-x64

10

test.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6cd51d24b98a87b92305c3c41c442eef_JaffaCakes118

  • Size

    816KB

  • Sample

    240524-a66clafd32

  • MD5

    6cd51d24b98a87b92305c3c41c442eef

  • SHA1

    5ff7ba8af19a498cd8d15085af2b8b216f9761e8

  • SHA256

    9d68d1879ad2f19737782cbad6a962511e6c981286a4bb8626f0bf00946565de

  • SHA512

    34eb3ebdec94e80c3248efaaefaf78654dd6705f04baf6c943ac1cce2a8e533964d1988456f2a424c939af2a5a159db5a416be815485a0aa2fdda0e8355cf762

  • SSDEEP

    12288:t8R6kzx2Umt8tpUpXw6KMPJIL4CBAuD90j9ePRW7/sje3GueLkYcCbCz:t66exWCp8w0xU4CTJs4RW7mQuLkYcx

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

qqqqqqqq.ddns.net:1604

Mutex

DC_MUTEX-FSC5WT9

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    2LQNRBANJfhv

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      test.exe

    • Size

      1.1MB

    • MD5

      fc943a5eb3c151e024ec84da900ef180

    • SHA1

      8ca2795c133cb0f02bc1b100301c2e69080f6fd1

    • SHA256

      351100dcd62d44837767dd81ee3cafcd15b27cc538301bac9f814aba629e8432

    • SHA512

      2e1b1c9f317ccf9a04af1dbc5f2b508cdf59d49cbfba2387846f59a307fa247915b1908cb05a4189b17e8c957922a78c6ed6a123595f4848c6ceb89770abf42d

    • SSDEEP

      24576:81maCQLVJcLwMaDChhE2CYtg/YwQS5ExxmsDOZjeR:8gabVJpzqyZWgQwQse+ZK

    Score
    10/10
    darkcometguest16evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Windows security bypass

      evasiontrojan

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • 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

4
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

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