Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/10/2026, 16:03

General

  • Target
    jaffacakes118_Backdoor.Win32.Agent.grgy.exe
  • Size 360KB
  • Sample261009-thjcpsbs2w
  • SHA256 beec28d327625d54e2c16a5b1e7d1fa6b8870f6ec30813992c8a392bbb8720a0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Gh0st RAT payload 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 6 IoCs

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

  • Drops file in Windows directory 4 IoCs
  • 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.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Agent.grgy.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Agent.grgy.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5096
    • \??\c:\Windows\svchest425075242507520.exe
      c:\Windows\svchest425075242507520.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2928
  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Agent.grgy.exe
    C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Backdoor.Win32.Agent.grgy.exe
    1⤵
    • System Location Discovery: System Language Discovery
    PID:2936
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1776

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          svchest425075242507520.exe

          • Path C:\Windows\svchest425075242507520.exe
          • Size 360KB
          • SHA256 beec28d327625d54e2c16a5b1e7d1fa6b8870f6ec30813992c8a392bbb8720a0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2928-3-0x0000000000400000-0x00000000004F0000-memory.dmp

          memory/2928-5-0x0000000000400000-0x00000000004F0000-memory.dmp

          memory/2936-6-0x0000000000400000-0x00000000004F0000-memory.dmp

          memory/5096-0-0x0000000000400000-0x00000000004F0000-memory.dmp

          memory/5096-1-0x00000000004EF000-0x00000000004F0000-memory.dmp

          memory/5096-7-0x0000000000400000-0x00000000004F0000-memory.dmp