Overview

overview

10

Static

static

3

ChimerSkin.exe

windows10-2004-x64

10

ChimerSkin.exe

windows11-ltsc_2024-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 04:47

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General

  • Target
    ChimerSkin.exe
  • Size 2.5MB
  • Sample260802-fewa7sdb92
  • SHA256 8aaeabfab7c815da4b34a8b7a679c8a073142cf57bfbc47486cfc1c6f01d349a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoverygh0stratpersistencerat

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.

    ratgh0strat
  • Gh0st RAT payload 1 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
    persistence
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious behavior: LoadsDriver 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ChimerSkin.exe
    "C:\Users\Admin\AppData\Local\Temp\ChimerSkin.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4144
    • C:\Users\Admin\AppData\Local\Temp\look2.exe
      C:\Users\Admin\AppData\Local\Temp\\look2.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:3412
    • C:\Users\Admin\AppData\Local\Temp\HD_ChimerSkin.exe
      C:\Users\Admin\AppData\Local\Temp\HD_ChimerSkin.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2456
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:4136
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "svchcst"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4760
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\240754812.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2304
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k "svchcst"
      1⤵
        PID:1248

      Network

            MITRE ATT&CK Enterprise v16

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            Downloads

            HD_ChimerSkin.exe
            • Path C:\Users\Admin\AppData\Local\Temp\HD_ChimerSkin.exe
            • Size 1.3MB
            • SHA256 4e6ced15d401881ae4a56c447577b278762144051d190858e951064c12df54d0
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            HD_X.dat
            • Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
            • Size 1.2MB
            • SHA256 74eef6ed624411518db1d49a0a97718f190fe043ef3e6b6e66d09f07223c30af
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            look2.exe
            • Path C:\Users\Admin\AppData\Local\Temp\look2.exe
            • Size 337KB
            • SHA256 5ea8c5455f0ebe884ed98834e78ead8b6c68814bbb1723370299fa44b88c0faa
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            240754812.bat
            • Path C:\Windows\SysWOW64\240754812.bat
            • Size 51KB
            • SHA256 8f1ca75a0a231a17e0c309b42292f8eca39bce88ead6a7d1815b65d71740e55f
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            svchcst.exe
            • Path C:\Windows\SysWOW64\svchcst.exe
            • Size 51KB
            • SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download