Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 20:13

General

  • Target

    53eb768c595f543461eb7a3c7f8adb50132a10ff5dc7332305cf98edc854aa3e.dll

  • Size

    432KB

  • MD5

    479f9c833381a37ce493853c432a57fa

  • SHA1

    3985ff1849ebd9cd7c8122683660f33aa295edda

  • SHA256

    53eb768c595f543461eb7a3c7f8adb50132a10ff5dc7332305cf98edc854aa3e

  • SHA512

    d34dd2c1a35a017b5c85148ec0b89d5db9d7fbd600f1840b837225b45e04599a1bbb700db4592f47e7405b38e2418061dd18b04ef7c9fd20044fe5e7b0b8237d

  • SSDEEP

    12288:kov9YJjrV+pJR6cuXFqaYCL9yKASIAcl3hkWWlyvQ5:B+JHVyR6xXky0KASbcdh6yvQ5

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 9 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 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:612
      • 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:1628
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\53eb768c595f543461eb7a3c7f8adb50132a10ff5dc7332305cf98edc854aa3e.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3968
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\53eb768c595f543461eb7a3c7f8adb50132a10ff5dc7332305cf98edc854aa3e.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:3064
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4216,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=4012 /prefetch:8
      1⤵
        PID:3776

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1628-2-0x0000000000400000-0x0000000000543000-memory.dmp

        Filesize

        1.3MB

      • memory/1628-3-0x0000000000400000-0x0000000000543000-memory.dmp

        Filesize

        1.3MB

      • memory/1628-9-0x0000000000400000-0x0000000000543000-memory.dmp

        Filesize

        1.3MB

      • memory/1628-11-0x0000000075BD3000-0x0000000075BD4000-memory.dmp

        Filesize

        4KB

      • memory/1628-10-0x0000000000400000-0x0000000000543000-memory.dmp

        Filesize

        1.3MB

      • memory/1628-1-0x0000000000400000-0x0000000000543000-memory.dmp

        Filesize

        1.3MB

      • memory/1628-8-0x0000000000400000-0x0000000000543000-memory.dmp

        Filesize

        1.3MB

      • memory/1628-7-0x0000000000400000-0x0000000000543000-memory.dmp

        Filesize

        1.3MB

      • memory/1628-12-0x0000000010000000-0x00000000101A0000-memory.dmp

        Filesize

        1.6MB

      • memory/1628-13-0x0000000010000000-0x00000000101A0000-memory.dmp

        Filesize

        1.6MB

      • memory/1628-28-0x0000000000400000-0x0000000000543000-memory.dmp

        Filesize

        1.3MB

      • memory/3064-0-0x0000000010000000-0x0000000010089000-memory.dmp

        Filesize

        548KB