Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-09-2024 07:01

General

  • Target

    7244708a96a97b38ff6f1a2fb9488f6152cfa56829ed14599e50cdab30b7bcc2.dll

  • Size

    437KB

  • MD5

    9e9edf966038dc43898881bec2e11ff3

  • SHA1

    cf7cf436fad2c6346b9537e34bc3a7fdaa97cab2

  • SHA256

    7244708a96a97b38ff6f1a2fb9488f6152cfa56829ed14599e50cdab30b7bcc2

  • SHA512

    c97c53f42c86978f75b18e63a8c7c1f6ed4dbdfd6c14887c3ef48b9035952302d7de2aaa8e3cdc705258e618a232dfdb392e0d02019d386e897a31df545148c2

  • SSDEEP

    6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6Wv:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoS1

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 2 IoCs
  • UPX packed file 7 IoCs

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

  • 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
  • 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 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 19 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
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4180
      • 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:1200
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7244708a96a97b38ff6f1a2fb9488f6152cfa56829ed14599e50cdab30b7bcc2.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3516
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\7244708a96a97b38ff6f1a2fb9488f6152cfa56829ed14599e50cdab30b7bcc2.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:2736

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1200-21-0x00000000775A0000-0x0000000077690000-memory.dmp

      Filesize

      960KB

    • memory/1200-22-0x0000000010000000-0x00000000101A0000-memory.dmp

      Filesize

      1.6MB

    • memory/1200-25-0x0000000010000000-0x00000000101A0000-memory.dmp

      Filesize

      1.6MB

    • memory/1200-54-0x00000000775A0000-0x0000000077690000-memory.dmp

      Filesize

      960KB

    • memory/2736-0-0x0000000010000000-0x00000000100A6000-memory.dmp

      Filesize

      664KB

    • memory/4180-3-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/4180-2-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/4180-1-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/4180-7-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/4180-8-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB

    • memory/4180-10-0x00000000775C3000-0x00000000775C4000-memory.dmp

      Filesize

      4KB

    • memory/4180-9-0x0000000000400000-0x0000000000543000-memory.dmp

      Filesize

      1.3MB