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Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/09/2024, 07:36

General

  • Target

    a1e2e9de5dfdc0d03b0da7d59a5c1303a7b2d50208859ba3dfdddf98c4a2ba24.dll

  • Size

    432KB

  • MD5

    d12195166ce6f81c1223f6666700b5a0

  • SHA1

    ef437340ee516e8d4b334fba22937f815f0c039f

  • SHA256

    a1e2e9de5dfdc0d03b0da7d59a5c1303a7b2d50208859ba3dfdddf98c4a2ba24

  • SHA512

    50715309445c4b390f09adee3f7bd54149551e738258c57463d3a8e6dde4b78e788a099eb62a19dc682bd6253029cdb8c6d870abd74de377d1f8d9edc08068f2

  • SSDEEP

    12288:kov9YJjrV+pJR6cuXFqaYCL9yKASIAcl3hkWWlyvQA:B+JHVyR6xXky0KASbcdh6yvQA

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.

  • PurpleFox

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • UPX packed file 7 IoCs

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

  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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.

  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:616
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted
        2⤵
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4052
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1e2e9de5dfdc0d03b0da7d59a5c1303a7b2d50208859ba3dfdddf98c4a2ba24.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3312
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1e2e9de5dfdc0d03b0da7d59a5c1303a7b2d50208859ba3dfdddf98c4a2ba24.dll,#1
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2232

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2232-0-0x0000000010000000-0x0000000010089000-memory.dmp

      Filesize

      548KB

    • memory/4052-2-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/4052-1-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/4052-9-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/4052-10-0x0000000076B53000-0x0000000076B54000-memory.dmp

      Filesize

      4KB

    • memory/4052-8-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/4052-7-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/4052-3-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/4052-11-0x0000000010000000-0x00000000101A0000-memory.dmp

      Filesize

      1.6MB

    • memory/4052-12-0x0000000010000000-0x00000000101A0000-memory.dmp

      Filesize

      1.6MB