Overview

overview

10

Static

static

3

jaffacakes...cz.exe

windows10-2004-x64

10

jaffacakes...cz.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/10/2026, 21:33

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General

  • Target
    jaffacakes118_Worm.MSIL.Agent.cz.exe
  • Size 2.6MB
  • Sample261012-1edflsfv71
  • SHA256 494134ffbd89a96f9010eca2089602d4ce05169c3bfe18dd31e0ed98a9fa8f76
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarevítimadiscoverycybergatepersistenceprivilege_escalationspywarestealertrojanupx

Malware Config

Extracted

Family

  • cybergate

Version

  • 2.6

Botnet

  • vítima

C2

  • nirvana09.no-ip.biz:80

  • nirvana09.no-ip.biz:81

  • nirvana09.no-ip.biz:82

  • nirvana09.no-ip.biz:83

Mutex

  • ***MUTEX***

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    explorer.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    texto da mensagem

  • message_box_title

    título da mensagem

  • password

    nirvana

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

Signatures

  • Family: CyberGate, Rebhip

    CyberGate is a lightweight remote administration tool with a wide array of functionalities.

    trojanstealercybergate
  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    persistenceprivilege_escalation
  • Executes dropped EXE 8 IoCs
  • Modifies system executable filetype association 2 TTPs 4 IoCs
    persistence
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Drops file in System32 directory 5 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 1 IoCs

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

    upx
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

    discovery
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Worm.MSIL.Agent.cz.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Worm.MSIL.Agent.cz.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\windows\SysWOW64\WinRAR v4.00 (32bit).exe
      "C:\windows\system32\WinRAR v4.00 (32bit).exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5176
      • C:\Program Files (x86)\WinRAR\uninstall.exe
        "C:\Program Files (x86)\WinRAR\uninstall.exe" /setup
        3⤵
        • Executes dropped EXE
        • Modifies system executable filetype association
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:612
    • C:\windows\SysWOW64\serveur.exe
      "C:\windows\system32\serveur.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1672
      • C:\Users\Admin\AppData\Local\Temp\explorer.exe
        C:\Users\Admin\AppData\Local\Temp\explorer.exe
        3⤵
        • Executes dropped EXE
        PID:5552
      • C:\Users\Admin\AppData\Local\Temp\serveur.exe
        "C:\Users\Admin\AppData\Local\Temp\serveur.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1244
        • C:\Users\Admin\AppData\Local\Temp\explorer.exe
          C:\Users\Admin\AppData\Local\Temp\explorer.exe
          4⤵
          • Executes dropped EXE
          PID:3784
  • C:\Users\Admin\AppData\Local\Temp\serveur.exe
    C:\Users\Admin\AppData\Local\Temp\serveur.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Users\Admin\AppData\Local\Temp\explorer.exe
      C:\Users\Admin\AppData\Local\Temp\explorer.exe
      2⤵
      • Executes dropped EXE
      PID:4404

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Rar.txt
        • Path C:\Program Files (x86)\WinRAR\Rar.txt
        • Size 85KB
        • SHA256 8eadff3dedb7d29f4b2ed797f5fbfad7bcf519d1d297596871899d9422f90d28
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Uninstall.exe
        • Path C:\Program Files (x86)\WinRAR\Uninstall.exe
        • Size 119KB
        • SHA256 a24e71f60a22b99cabfc2bd9c04f5477e23a33e880442d60ff84191cc55055e6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WinRAR.chm
        • Path C:\Program Files (x86)\WinRAR\WinRAR.chm
        • Size 298KB
        • SHA256 075ef65bc7382a1de8eab4b02716affaaaff3763d3849258a5cf6f5e7dfc2de9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WinRAR.exe
        • Path C:\Program Files (x86)\WinRAR\WinRAR.exe
        • Size 1.0MB
        • SHA256 faa70524e61d30ab3e6a69553784cffb1ea4c7114a327f770f7acaca4825257d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        uninstall.lng
        • Path C:\Program Files (x86)\WinRAR\uninstall.lng
        • Size 8KB
        • SHA256 1a345ddf6e6ec876ce59c4953b8f237ad9d7b454254b058a3355cb8b9adae108
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        explorer.exe
        • Path C:\Users\Admin\AppData\Local\Temp\explorer.exe
        • Size 5KB
        • SHA256 e072b7345aac1c6b2f025c5edc543155cd8109c5a990855176ce6977038626aa
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        serveur.exe
        • Path C:\Users\Admin\AppData\Local\Temp\serveur.exe
        • Size 488KB
        • SHA256 4586b4e2d297df6873f0e88182b599e86fac11a2a42a8f7ec06eaf65451f73ff
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WinRAR v4.00 (32bit).exe
        • Path C:\Windows\SysWOW64\WinRAR v4.00 (32bit).exe
        • Size 1.5MB
        • SHA256 c14035c345216e5e3f3dd6090f507eb491f0d6c228c7106db993d3e428db1299
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        serveur.exe
        • Path C:\Windows\SysWOW64\serveur.exe
        • Size 1.4MB
        • SHA256 9a7de9fa5c20cf33c421a47a658d0e3f2d3a443f646a7755746d56fdcd41d43c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1672-21-0x00000000732D2000-0x00000000732D4000-memory.dmp
        Download

        memory/1672-20-0x0000000001100000-0x0000000001110000-memory.dmp
        Download

        memory/3784-37-0x0000000000400000-0x0000000000450000-memory.dmp
        Download

        memory/5552-25-0x0000000000400000-0x0000000000473000-memory.dmp
        Download