Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/05/2024, 14:59

General

  • Target
    cc1059c6a82c7b72fc8dc83b733bc6b445983136e750bd181e12f5d72bb30d54.exe
  • Size 712KB
  • Sample240526-scte2sbb63
  • SHA256 cc1059c6a82c7b72fc8dc83b733bc6b445983136e750bd181e12f5d72bb30d54
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 11 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 3 IoCs
  • UPX packed file 13 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cc1059c6a82c7b72fc8dc83b733bc6b445983136e750bd181e12f5d72bb30d54.exe
    "C:\Users\Admin\AppData\Local\Temp\cc1059c6a82c7b72fc8dc83b733bc6b445983136e750bd181e12f5d72bb30d54.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:468
    • 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:2216
      • 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:4856
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1160
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1412
    • 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:2240
  • 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=3704 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:5056

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          RVN.exe

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

          CloseUnprotect.exe

          • Path C:\Users\Admin\Desktop\CloseUnprotect.exe
          • Size 1.0MB
          • SHA256 f8b3b1dbaf582e1790ea3d12e9c4f260c21c868db3e4243dcbe8e52a9df1a590
          • MD5 SHA1 SHA512 SSDEEP

          memory/1412-26-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/1412-16-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/1412-18-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/1412-20-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/1412-19-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2216-10-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2216-11-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2216-22-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2216-7-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2240-25-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2240-29-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2240-32-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/2240-34-0x0000000010000000-0x00000000101B6000-memory.dmp