Analysis

  • max time kernel
    151s
  • max time network
    37s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 06:25

General

  • Target

    3e9a136b97b7ad7104019ae696b4f59d.exe

  • Size

    273KB

  • MD5

    3e9a136b97b7ad7104019ae696b4f59d

  • SHA1

    99fff6e4e8320f9908ee359a3ed05549ef4d03a9

  • SHA256

    ab3e7a2f39d9f97249371e3e0710bc1878410d19d8709fe5d9db437df1904a11

  • SHA512

    8fab1f6ae6d36ddd4e92443064ac2473e5cc6a5db9cbf28d6446ecbc1836860bbc0afe78f7b49db3bd8dedb5b4043da49c996156107d2c2433ec999c37527ea4

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdT6:WFzDqa86hV6uRRqX1evPlwAEdO

Malware Config

Extracted

Family

asyncrat

Version

0.4.9G

C2

corporation.warzonedns.com:9341

Mutex

480-28105c055659

Attributes
  • delay

    0

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Contains code to disable Windows Defender 5 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e9a136b97b7ad7104019ae696b4f59d.exe
    "C:\Users\Admin\AppData\Local\Temp\3e9a136b97b7ad7104019ae696b4f59d.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2608
    • C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
      "C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2952
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2784
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2776
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:2220

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      213B

      MD5

      0955cb4b691d44b37f8b6fad48a33b8e

      SHA1

      9dae759ae014cc124ab6eed7c8035788c124ae4a

      SHA256

      9092dbb1ca1767d1966b7f79349dd95a802a68248251bf070c0f1d74d5681d71

      SHA512

      08b868a028c1e8d29ed643416850df16f58d44668f9193b46bd3934965e5617a0a4015fc52815c5456023dbde01023450d295b76d936a936f26b602e764b0235

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

      Filesize

      273KB

      MD5

      6602ae81a5935f7c1b54814422ee0e0d

      SHA1

      45e1c958931ade34b996e88aa79c9f61f0933cf5

      SHA256

      052581c67fd1c52a6ad93dc3acef596b99cf915b2801cddb89ad2c9786e6ac34

      SHA512

      4a87dced27a7d1e0e8e50da7083498a990a8278c049017936b68944879037a1cfc55a7acc416606d2dab5aabd8a01357ca8755b0dd122029bc0c37b8f3d1d78f

    • memory/2608-26-0x0000000074470000-0x0000000074B5E000-memory.dmp

      Filesize

      6.9MB

    • memory/2608-0-0x000000007447E000-0x000000007447F000-memory.dmp

      Filesize

      4KB

    • memory/2608-7-0x000000007447E000-0x000000007447F000-memory.dmp

      Filesize

      4KB

    • memory/2608-2-0x0000000000240000-0x000000000024A000-memory.dmp

      Filesize

      40KB

    • memory/2608-1-0x0000000001350000-0x0000000001396000-memory.dmp

      Filesize

      280KB

    • memory/2608-22-0x0000000074470000-0x0000000074B5E000-memory.dmp

      Filesize

      6.9MB

    • memory/2608-3-0x0000000074470000-0x0000000074B5E000-memory.dmp

      Filesize

      6.9MB

    • memory/2784-29-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2784-37-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2784-36-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2784-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2784-38-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2784-33-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2784-27-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2784-31-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2952-24-0x0000000000F80000-0x0000000000FC6000-memory.dmp

      Filesize

      280KB

    • memory/2952-23-0x0000000074470000-0x0000000074B5E000-memory.dmp

      Filesize

      6.9MB

    • memory/2952-39-0x0000000074470000-0x0000000074B5E000-memory.dmp

      Filesize

      6.9MB