Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2024 06:05

General

  • Target

    587edbecab7fa9a323dd334513b3fca41934823cdc5bc1456ce473b0fcbfeb41.dll

  • Size

    437KB

  • MD5

    ff7f4655d070b8bae1d1c3f4267ee6de

  • SHA1

    0a92ee5bfa44ba3d490a1c27e0cb6ffca45f3202

  • SHA256

    587edbecab7fa9a323dd334513b3fca41934823cdc5bc1456ce473b0fcbfeb41

  • SHA512

    01d5c659040301bab64d02608f60b6807519ba4fd932362c4624e02d14d2848b85d171b81310d5544537e74a0a41c4c53beb18b317e932e0fad2b4e1d2ab9546

  • SSDEEP

    6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6Wq:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSw

Malware Config

Signatures

  • Detect PurpleFox Rootkit 3 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 3 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
  • 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
  • UPX packed file 12 IoCs

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

  • 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: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:2744
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\587edbecab7fa9a323dd334513b3fca41934823cdc5bc1456ce473b0fcbfeb41.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2080
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\587edbecab7fa9a323dd334513b3fca41934823cdc5bc1456ce473b0fcbfeb41.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:2180

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2180-3-0x0000000010000000-0x00000000100A6000-memory.dmp

      Filesize

      664KB

    • memory/2180-2-0x0000000010000000-0x00000000100A6000-memory.dmp

      Filesize

      664KB

    • memory/2180-1-0x0000000010000000-0x00000000100A6000-memory.dmp

      Filesize

      664KB

    • memory/2180-0-0x0000000010000000-0x00000000100A6000-memory.dmp

      Filesize

      664KB

    • memory/2744-4-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2744-5-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2744-23-0x0000000010000000-0x00000000101A0000-memory.dmp

      Filesize

      1.6MB

    • memory/2744-22-0x00000000769BE000-0x00000000769BF000-memory.dmp

      Filesize

      4KB

    • memory/2744-21-0x0000000010000000-0x00000000101A0000-memory.dmp

      Filesize

      1.6MB

    • memory/2744-20-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2744-19-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2744-18-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2744-17-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2744-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2744-11-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2744-8-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/2744-38-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB