Analysis

  • max time kernel
    136s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2025, 12:27

General

  • Target

    d9a5b5942b59ca5d06fcf0cd180be9703d8bb67278aa751bbe85cb2ea6772a63.exe

  • Size

    2.4MB

  • MD5

    7fe144958cad790f3bc24842c7df659a

  • SHA1

    28e2c3c28479a3b8b39fe58b2c16ee26b475f5c7

  • SHA256

    d9a5b5942b59ca5d06fcf0cd180be9703d8bb67278aa751bbe85cb2ea6772a63

  • SHA512

    5ac443f72e1d6c1e6d9ff943d88766e46ccd688a1232e9c918366585947219015ecd392a31dbc3253ae49408856ca08a4a0f649a24a24b71fa947ce6c3b5c20f

  • SSDEEP

    49152:x2hu3wWLkSNn16adVi2thaK4haxtsJ1r0qgO41F8yuF13/SyfmsP1w8m2s2/:Skka1djthh4hdJ109z8yuF1qyfmsP1wk

Malware Config

Signatures

  • Detect PurpleFox Rootkit 1 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 1 IoCs
  • Gh0strat

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

  • Gh0strat family
  • PurpleFox

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

  • Purplefox family
  • Downloads MZ/PE file 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d9a5b5942b59ca5d06fcf0cd180be9703d8bb67278aa751bbe85cb2ea6772a63.exe
    "C:\Users\Admin\AppData\Local\Temp\d9a5b5942b59ca5d06fcf0cd180be9703d8bb67278aa751bbe85cb2ea6772a63.exe"
    1⤵
    • Downloads MZ/PE file
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4420
    • C:\Users\Public\Documents\fil1e.exe
      "C:\Users\Public\Documents\fil1e.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2776
    • C:\Users\Public\Documents\open.exe
      "C:\Users\Public\Documents\open.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Public\Documents\fil1e.exe

    Filesize

    1.4MB

    MD5

    209d25a3c2f6eed88c5eb5165b00ea67

    SHA1

    0f668f09080eb6b41a04527244a60e32bf89ef72

    SHA256

    bd049d8a598306ed55ad9d6c069c3e67026a813afd68995aa64ebbc91e98d445

    SHA512

    fa6fe828afc905ccc2df03b64f7d046272fad8185a336a873288099c57098a6c1f3b8e428aef71157729df8b9b919f4d597514b6818048086da8ac461da2bd74

  • C:\Users\Public\Documents\open.exe

    Filesize

    2.4MB

    MD5

    7fe144958cad790f3bc24842c7df659a

    SHA1

    28e2c3c28479a3b8b39fe58b2c16ee26b475f5c7

    SHA256

    d9a5b5942b59ca5d06fcf0cd180be9703d8bb67278aa751bbe85cb2ea6772a63

    SHA512

    5ac443f72e1d6c1e6d9ff943d88766e46ccd688a1232e9c918366585947219015ecd392a31dbc3253ae49408856ca08a4a0f649a24a24b71fa947ce6c3b5c20f

  • memory/2776-12-0x0000000010000000-0x000000001019F000-memory.dmp

    Filesize

    1.6MB