Analysis

  • max time kernel
    69s
  • max time network
    113s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2024 03:59

General

  • Target

    8c30808ed184a1912bfa9c30c284103a89c3aee28f09a2fbaea546b34bc8e771N.exe

  • Size

    1.7MB

  • MD5

    a7deaf4b18688d539bb682123b36ef10

  • SHA1

    6cfbeb011b9a9b32521d931c2a7d116856e88c6a

  • SHA256

    8c30808ed184a1912bfa9c30c284103a89c3aee28f09a2fbaea546b34bc8e771

  • SHA512

    e03a157125443605f9414688917ae915a4be6abb7ed7501133fe77b25861660361d69c20bbdce0d3b861a58112928c72e32422becc514701dc075a184a9170bb

  • SSDEEP

    24576:2M8wcsjBocoT3cgEeqroaV3NSPDo7gKVbZETckLZzzb78BChn:jSbfMhywSZ7Rx

Malware Config

Signatures

  • Detect PurpleFox Rootkit 2 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 2 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
  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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 4 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c30808ed184a1912bfa9c30c284103a89c3aee28f09a2fbaea546b34bc8e771N.exe
    "C:\Users\Admin\AppData\Local\Temp\8c30808ed184a1912bfa9c30c284103a89c3aee28f09a2fbaea546b34bc8e771N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\sainbox.exe
      "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\sainbox.exe"
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:3064
    • 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\8C3080~1.EXE > nul
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 2 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\sainbox.exe

    Filesize

    1.7MB

    MD5

    a7deaf4b18688d539bb682123b36ef10

    SHA1

    6cfbeb011b9a9b32521d931c2a7d116856e88c6a

    SHA256

    8c30808ed184a1912bfa9c30c284103a89c3aee28f09a2fbaea546b34bc8e771

    SHA512

    e03a157125443605f9414688917ae915a4be6abb7ed7501133fe77b25861660361d69c20bbdce0d3b861a58112928c72e32422becc514701dc075a184a9170bb

  • memory/2400-0-0x0000000010000000-0x000000001019E000-memory.dmp

    Filesize

    1.6MB

  • memory/3064-10-0x0000000010000000-0x000000001019E000-memory.dmp

    Filesize

    1.6MB