Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-07-2024 13:00

General

  • Target

    df122e354805f285fd22e12b164a4da0N.exe

  • Size

    266KB

  • MD5

    df122e354805f285fd22e12b164a4da0

  • SHA1

    ee3d63367b20698b0aff5c51abacf67c9cc6b2f8

  • SHA256

    8a3690702482665cca5b9dfe9ad57fb5809942007425cd1b1e0cd8edf977f225

  • SHA512

    a403ef15dc400097373755738a8ed2d9f3971b5babfebadf0dd6c4055a3b943f1b769f0f2e7c324c42606b3236d3d668f0facc6f894ba888940310f1305d9b87

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/sr:WFzDqa86hV6uRRqX1evPlwAEr

Malware Config

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\df122e354805f285fd22e12b164a4da0N.exe
    "C:\Users\Admin\AppData\Local\Temp\df122e354805f285fd22e12b164a4da0N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:5016
    • C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
      "C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1812
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:1432
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1008
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 180
        3⤵
        • Delays execution with timeout.exe
        PID:3612
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:772

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat

      Filesize

      213B

      MD5

      0955cb4b691d44b37f8b6fad48a33b8e

      SHA1

      9dae759ae014cc124ab6eed7c8035788c124ae4a

      SHA256

      9092dbb1ca1767d1966b7f79349dd95a802a68248251bf070c0f1d74d5681d71

      SHA512

      08b868a028c1e8d29ed643416850df16f58d44668f9193b46bd3934965e5617a0a4015fc52815c5456023dbde01023450d295b76d936a936f26b602e764b0235

    • C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe

      Filesize

      266KB

      MD5

      84dafdbd62869b311a9ebbb1d637c305

      SHA1

      ed2a9788ac8216778d4b19915c6e94b155755df4

      SHA256

      5182bdf66140dd8977619c5b98aefa05584fa9822c23ec7cf2bd984defd95199

      SHA512

      58f987e513af781e2582f4a8628769161ec40f984165f43ea05547f569d85e62f1c64071da00a93f0f53a533680bdc168fc250a57e8d23c6ab05a0eae0ed4761

    • memory/1432-28-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1812-30-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1812-26-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1812-25-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/5016-3-0x0000000004CF0000-0x0000000004D82000-memory.dmp

      Filesize

      584KB

    • memory/5016-6-0x0000000004DA0000-0x0000000004DAA000-memory.dmp

      Filesize

      40KB

    • memory/5016-24-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/5016-5-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/5016-4-0x0000000004DB0000-0x0000000004DBA000-memory.dmp

      Filesize

      40KB

    • memory/5016-0-0x000000007524E000-0x000000007524F000-memory.dmp

      Filesize

      4KB

    • memory/5016-2-0x00000000053A0000-0x0000000005944000-memory.dmp

      Filesize

      5.6MB

    • memory/5016-1-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB