Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    14/10/2026, 01:57

General

  • Target
    jaffacakes118_HEUR.Trojan.Win32.Generic.exe
  • Size 508KB
  • Sample261014-cdh3psty8m
  • SHA256 5f8dd873b62d1776a4570e3eb1004f3692b309ccc78c61abbceef7e5d898f0a4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Trojan.Win32.Generic.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Trojan.Win32.Generic.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4296
    • C:\ProgramData\fhFLtreUvTGXnKC.exe
      "C:\ProgramData\fhFLtreUvTGXnKC.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4640
  • C:\ProgramData\fhFLtreUvTGXnKC.exe
    C:\ProgramData\fhFLtreUvTGXnKC.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:4156

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        fhFLtreUvTGXnKC.exe

        • Path C:\ProgramData\fhFLtreUvTGXnKC.exe
        • Size 508KB
        • SHA256 5f8dd873b62d1776a4570e3eb1004f3692b309ccc78c61abbceef7e5d898f0a4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4156-13-0x0000000000400000-0x000000000057D000-memory.dmp

        memory/4296-0-0x0000000002460000-0x0000000002600000-memory.dmp