Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 16:59

General

  • Target

    eb2a4fd1d8e4e49eb2f2a6b4ba641081a0b40494c92d2ca92ebdb36fcebee71a.dll

  • Size

    437KB

  • MD5

    7e3bade6f2e7cf4899b1d07f92200558

  • SHA1

    1b0b56ba25c4f643012abf6aa6e2fcf7212c3743

  • SHA256

    eb2a4fd1d8e4e49eb2f2a6b4ba641081a0b40494c92d2ca92ebdb36fcebee71a

  • SHA512

    f6901d232e03ca8c3fbce3db842c666cfe08269b1bd336574fc0afff5d29e4ce3f6a15533c456c9756db0c9228dc75553c4e16230dfa2f2ebccaaec03a567b06

  • SSDEEP

    6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6WZ:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSD

Malware Config

Signatures

  • Detect PurpleFox Rootkit 3 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
  • Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
  • Enumerates connected drives 3 TTPs 44 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 9 IoCs

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

  • 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 4 IoCs

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

  • Modifies data under HKEY_USERS 17 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:428
      • 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:316
      • 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:2272
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb2a4fd1d8e4e49eb2f2a6b4ba641081a0b40494c92d2ca92ebdb36fcebee71a.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2912
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb2a4fd1d8e4e49eb2f2a6b4ba641081a0b40494c92d2ca92ebdb36fcebee71a.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:2916

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/316-35-0x0000000010000000-0x00000000101A0000-memory.dmp

      Filesize

      1.6MB

    • memory/316-4-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/316-37-0x0000000010000000-0x00000000101A0000-memory.dmp

      Filesize

      1.6MB

    • memory/316-36-0x0000000076C8E000-0x0000000076C8F000-memory.dmp

      Filesize

      4KB

    • memory/316-18-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/316-6-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/316-8-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/316-17-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/316-11-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/316-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/316-19-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2272-56-0x0000000076C60000-0x0000000076D70000-memory.dmp

      Filesize

      1.1MB

    • memory/2272-71-0x0000000076C60000-0x0000000076D70000-memory.dmp

      Filesize

      1.1MB

    • memory/2916-3-0x0000000010000000-0x00000000100A6000-memory.dmp

      Filesize

      664KB

    • memory/2916-2-0x0000000010000000-0x00000000100A6000-memory.dmp

      Filesize

      664KB

    • memory/2916-1-0x0000000010000000-0x00000000100A6000-memory.dmp

      Filesize

      664KB

    • memory/2916-0-0x0000000010000000-0x00000000100A6000-memory.dmp

      Filesize

      664KB