Analysis

  • max time kernel
    148s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/10/2026, 12:19

General

  • Target
    jaffacakes118_Trojan-Downloader.Win32.Selvice.ba.exe
  • Size 24KB
  • Sample261006-pg53vsx16r
  • SHA256 3058d94d789da7fea33e7e0035dba137c5e7ade9b9dbb590cf0ca47190139933
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 2 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Selvice.ba.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Selvice.ba.exe"
    1⤵
    • Drops file in System32 directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5788
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\system32\kyasyyiwt.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4856
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:5764

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        apphxz.bat

        • Path C:\Windows\SysWOW64\apphxz.bat
        • Size 133B
        • SHA256 14767d321d7d7cf5665077306cc47c691d22b1034f65aa0f97aa0e3d3ddd05de
        • MD5 SHA1 SHA512 TLSH

        kyasyyiwt.bat

        • Path C:\Windows\SysWOW64\kyasyyiwt.bat
        • Size 100B
        • SHA256 bfdf1ef214ebc942df7dbc694a8bc5527c958b92e7f11a0bf8446a47669c51ff
        • MD5 SHA1 SHA512 TLSH