Overview

overview

10

Static

static

3

JaffaCakes...90.exe

windows7-x64

10

JaffaCakes...90.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    JaffaCakes118_46b67e7cf28525e784fa2ae5521f3e90

  • Size

    733KB

  • Sample

    250303-m8d3cawqs9

  • MD5

    46b67e7cf28525e784fa2ae5521f3e90

  • SHA1

    c02b243b342bf12db04e3a3baddccc6284ac8a16

  • SHA256

    84a39d971e3a95f734c084ae6f86fe52108e5318ff58eedcaac64d57286779b2

  • SHA512

    6aa6e28b7bfbf8982e0790ba8d34ea3067aa68bfe46d8df9818567736e54ef25573ba5810bcecee452207623e56f5531aa1a936aa30882b00df19673546ebed5

  • SSDEEP

    12288:4MAZoTc56y+ZyYr76OI2QUXxjk/XmrSrYz0RND1PT3Kk1Ja41IdhPNCzSVCN8t4H:St3UDz44IA5iS082H

Score
10/10
darkcometguest16defense_evasiondiscoverypersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

faceboock.zapto.org:8080

Mutex

DC_MUTEX-XPG9DMP

Attributes
  • InstallPath

    Windupdt\winupdate.exe

  • gencode

    RtbUjfBkpiQF

  • install

    true

  • offline_keylogger

    true

  • password

    Lieschen2135

  • persistence

    true

  • reg_key

    winupdater

rc4.plain

Targets

    • Target

      JaffaCakes118_46b67e7cf28525e784fa2ae5521f3e90

    • Size

      733KB

    • MD5

      46b67e7cf28525e784fa2ae5521f3e90

    • SHA1

      c02b243b342bf12db04e3a3baddccc6284ac8a16

    • SHA256

      84a39d971e3a95f734c084ae6f86fe52108e5318ff58eedcaac64d57286779b2

    • SHA512

      6aa6e28b7bfbf8982e0790ba8d34ea3067aa68bfe46d8df9818567736e54ef25573ba5810bcecee452207623e56f5531aa1a936aa30882b00df19673546ebed5

    • SSDEEP

      12288:4MAZoTc56y+ZyYr76OI2QUXxjk/XmrSrYz0RND1PT3Kk1Ja41IdhPNCzSVCN8t4H:St3UDz44IA5iS082H

    Score
    10/10
    darkcometguest16defense_evasiondiscoverypersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

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

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks