Overview

overview

10

Static

static

10

ef4ad5992f...18.exe

windows7-x64

10

ef4ad5992f...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118

  • Size

    660KB

  • Sample

    241214-r64x7sxkdj

  • MD5

    ef4ad5992f1f9a3528da0ade77f9c698

  • SHA1

    1d80c3ac37e27376875ced8913fe72760c6ceaf6

  • SHA256

    87670f313959309a4c81996480395516b5b1c93f2c7ff959ad46b3fcf5d92e41

  • SHA512

    79b83bac3dbea480240469417c949c0d20d350964ee4d0779f5c3ffdb874d7c3e1d880ba575e6dbc96a3ee812c27e29ed5fe102be4bdfc35a94a4b6fb15cd8a9

  • SSDEEP

    12288:8XhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452U:qnAw2WWeFcfbP9VPSPMTSPL/rWvzq4JX

Score
10/10
darkcometguest16discoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

xzonecracked1.no-ip.biz:1604
Mutex

DC_MUTEX-F54S21D

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    1aFnYU4Db9ka

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      ef4ad5992f1f9a3528da0ade77f9c698_JaffaCakes118

    • Size

      660KB

    • MD5

      ef4ad5992f1f9a3528da0ade77f9c698

    • SHA1

      1d80c3ac37e27376875ced8913fe72760c6ceaf6

    • SHA256

      87670f313959309a4c81996480395516b5b1c93f2c7ff959ad46b3fcf5d92e41

    • SHA512

      79b83bac3dbea480240469417c949c0d20d350964ee4d0779f5c3ffdb874d7c3e1d880ba575e6dbc96a3ee812c27e29ed5fe102be4bdfc35a94a4b6fb15cd8a9

    • SSDEEP

      12288:8XhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452U:qnAw2WWeFcfbP9VPSPMTSPL/rWvzq4JX

    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

    • 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