Overview

overview

10

Static

static

10

JaffaCakes...8f.exe

windows7-x64

10

JaffaCakes...8f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/01/2025, 23:45

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General

  • Target

    JaffaCakes118_68f1f029e4ef2b3a1cf44871655d6b8f.exe

  • Size

    980KB

  • MD5

    68f1f029e4ef2b3a1cf44871655d6b8f

  • SHA1

    665cc7627b7fd651fcb3661a68a4cd01780240ca

  • SHA256

    a925a49e9633b53e0b4daffab9e9a3a9ed84db69d98d378c5bdc54acd1312ab0

  • SHA512

    5eba946d239e3ad74538c4b38f5490d3117792fc91de6afa4642f3b419d238ed3fe895d51438af48a73455b4beafc0c6d18a20e896c01a439bc37d4196b09967

  • SSDEEP

    12288:zaAchpWsuVTv7ItY8XljyypHP7cOLBev03hlULsmWZ++09ZcKDVsVCG:WAEENIq8XwyVPQclDq/+WnpssG

Score
10/10
darkcometdiscoveryevasionpersistencerattrojanupx

Malware Config

Signatures

  • Darkcomet

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

    trojanratdarkcomet
  • Darkcomet family
    darkcomet
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Modifies firewall policy service 3 TTPs 3 IoCs
    evasion
  • Modifies security service 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 2 IoCs
    evasiontrojan
  • Disables Task Manager via registry modification
    evasion
  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Windows security modification 2 TTPs 2 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • UPX packed file 2 IoCs

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

    upx
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • System policy modification 1 TTPs 3 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68f1f029e4ef2b3a1cf44871655d6b8f.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68f1f029e4ef2b3a1cf44871655d6b8f.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies firewall policy service
    • Modifies security service
    • Windows security bypass
    • Checks BIOS information in registry
    • Windows security modification
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • System policy modification
    PID:1804

Network

        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

        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

        3
        T1012

        System Information Discovery

        3
        T1082

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        Lateral Movement

        Collection

        Command and Control

        Exfiltration

        Impact

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1804-0-0x0000000000400000-0x00000000004F7000-memory.dmp

          Filesize

          988KB

          Download

        • memory/1804-1-0x0000000000280000-0x0000000000281000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1804-2-0x0000000000400000-0x00000000004F7000-memory.dmp

          Filesize

          988KB

          Download