Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2024 05:42

General

  • Target

    bb934ad580f6b6c8f3c04c4e453fba332628b0305086d041db1bb796fad9e546.dll

  • Size

    437KB

  • MD5

    503818c68a6715a810c7f451a9a499ae

  • SHA1

    ec905e5a0c80b47493ea9752483e322e663f6ae8

  • SHA256

    bb934ad580f6b6c8f3c04c4e453fba332628b0305086d041db1bb796fad9e546

  • SHA512

    f0a80602e6ac955ff663c31a8ed5c0101aea6514b57c5138d566ed925998a6e58513604202d8a36a1cc45b5ea5464ad0507fdcaff83f4eeff849670eea54b699

  • SSDEEP

    6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6W8:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSm

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 9 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 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:420
      • 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:2244
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb934ad580f6b6c8f3c04c4e453fba332628b0305086d041db1bb796fad9e546.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2220
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb934ad580f6b6c8f3c04c4e453fba332628b0305086d041db1bb796fad9e546.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:2956

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2244-10-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2244-16-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2244-22-0x0000000010000000-0x00000000101A0000-memory.dmp

      Filesize

      1.6MB

    • memory/2244-15-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2244-4-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2244-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2244-21-0x000000007658E000-0x000000007658F000-memory.dmp

      Filesize

      4KB

    • memory/2244-20-0x0000000010000000-0x00000000101A0000-memory.dmp

      Filesize

      1.6MB

    • memory/2244-17-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2244-5-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2244-7-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2956-3-0x0000000010000000-0x00000000100A6000-memory.dmp

      Filesize

      664KB

    • memory/2956-2-0x0000000010000000-0x00000000100A6000-memory.dmp

      Filesize

      664KB

    • memory/2956-0-0x0000000010000000-0x00000000100A6000-memory.dmp

      Filesize

      664KB

    • memory/2956-1-0x0000000010000000-0x00000000100A6000-memory.dmp

      Filesize

      664KB