Overview

overview

10

Static

static

3

192c731e82...18.exe

windows7-x64

10

192c731e82...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    192c731e822a64cce6dc9a6725d7b651_JaffaCakes118

  • Size

    1.8MB

  • Sample

    240628-hk3zcaweke

  • MD5

    192c731e822a64cce6dc9a6725d7b651

  • SHA1

    288c85400ea2abad7f29cde9f90658e9876d1710

  • SHA256

    11c0e397d62858a5a59ffc635eff294ae5bf5aaf5b94f97e48ef86b599e0987e

  • SHA512

    b6f7925f4cd8b445092a947d89f492744520132abacd9bfc3535e2b406ed797490cebb3315dffd93413bba61e8f333d0429c5c942b0362b85c783e5611980006

  • SSDEEP

    24576:Kb2/DbTeyIuPVJFFDHZWCaIYm1hCcDOmi:f/lDoC1O

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

darkcomet2013.no-ip.biz:1500

192.168.1.71:1500
Mutex

DC_MUTEX-9LQ2QJ5

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    30ibXWq2y5dh

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      192c731e822a64cce6dc9a6725d7b651_JaffaCakes118

    • Size

      1.8MB

    • MD5

      192c731e822a64cce6dc9a6725d7b651

    • SHA1

      288c85400ea2abad7f29cde9f90658e9876d1710

    • SHA256

      11c0e397d62858a5a59ffc635eff294ae5bf5aaf5b94f97e48ef86b599e0987e

    • SHA512

      b6f7925f4cd8b445092a947d89f492744520132abacd9bfc3535e2b406ed797490cebb3315dffd93413bba61e8f333d0429c5c942b0362b85c783e5611980006

    • SSDEEP

      24576:Kb2/DbTeyIuPVJFFDHZWCaIYm1hCcDOmi:f/lDoC1O

    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

    • Drops file in System32 directory

    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