Analysis

  • max time kernel
    151s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/06/2024, 03:29

General

  • Target
    26ddf74d54596afeecde5b60f62d4b7b8f1f19d6c888bd850031e05476057975.exe
  • Size 1.8MB
  • Sample240619-d15qnashmc
  • SHA256 26ddf74d54596afeecde5b60f62d4b7b8f1f19d6c888bd850031e05476057975
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect PurpleFox Rootkit 12 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 12 IoCs
  • Gh0strat

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

  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 14 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\26ddf74d54596afeecde5b60f62d4b7b8f1f19d6c888bd850031e05476057975.exe
    "C:\Users\Admin\AppData\Local\Temp\26ddf74d54596afeecde5b60f62d4b7b8f1f19d6c888bd850031e05476057975.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4780
    • C:\Users\Admin\AppData\Local\Temp\RVN.exe
      C:\Users\Admin\AppData\Local\Temp\\RVN.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3508
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\RVN.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4404
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1064
    • C:\Users\Admin\AppData\Local\Temp\HD_26ddf74d54596afeecde5b60f62d4b7b8f1f19d6c888bd850031e05476057975.exe
      C:\Users\Admin\AppData\Local\Temp\HD_26ddf74d54596afeecde5b60f62d4b7b8f1f19d6c888bd850031e05476057975.exe
      2⤵
      • Executes dropped EXE
      PID:4260
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.exe -acsi
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:4580
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3672 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1784

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          HD_26ddf74d54596afeecde5b60f62d4b7b8f1f19d6c888bd850031e05476057975.exe

          • Path C:\Users\Admin\AppData\Local\Temp\HD_26ddf74d54596afeecde5b60f62d4b7b8f1f19d6c888bd850031e05476057975.exe
          • Size 554KB
          • SHA256 6bec15dd47ce6261e0635d21cb5ed2ced15a4be8482312f79e32273806444f99
          • MD5 SHA1 SHA512 SSDEEP

          HD_X.dat

          • Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
          • Size 1.2MB
          • SHA256 d7f86499c7934f01c3ed03b5eb6bf34f98daaa9c0f93db28d7f8355367bf5c02
          • MD5 SHA1 SHA512 SSDEEP

          RCX8D1D.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\RCX8D1D.tmp
          • Size 1.2MB
          • SHA256 d758c980148e62c69d30148f6ac65e60ff6a8f425c649f5e5a07bb7412d1bb9d
          • MD5 SHA1 SHA512 SSDEEP

          RVN.exe

          • Path C:\Users\Admin\AppData\Local\Temp\RVN.exe
          • Size 377KB
          • SHA256 57a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
          • MD5 SHA1 SHA512 SSDEEP

          X.ico

          • Path C:\Users\Admin\AppData\Local\Temp\X.ico
          • Size 69KB
          • SHA256 020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450
          • MD5 SHA1 SHA512 SSDEEP

          memory/2492-13-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2492-15-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2492-16-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2492-19-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2492-26-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/3508-7-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/3508-18-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/3508-8-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/3508-6-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/3508-4-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4580-28-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4580-34-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4580-27-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4580-36-0x0000000010000000-0x00000000101B6000-memory.dmp