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Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2024, 17:37

General

  • Target

    4e259bb72091a51873695eab388599bf4665c0cd04363d48481ff406771fdf1b.exe

  • Size

    270KB

  • MD5

    403f3241e5af51a4cf93a0b7945a9d06

  • SHA1

    6f40643395723f67f6d23ddc5261dbd65e093664

  • SHA256

    4e259bb72091a51873695eab388599bf4665c0cd04363d48481ff406771fdf1b

  • SHA512

    5ffa76cabbcd5020f249556fc52f74b7aab328c879fbd9a38cef7a0fe6e41218fcc4e405a296492df4c8261090dbe469ee40d540c0239f65d7ae445123ce1991

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdkXF:WFzDqa86hV6uRRqX1evPlwAEdkXF

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\4e259bb72091a51873695eab388599bf4665c0cd04363d48481ff406771fdf1b.exe
    "C:\Users\Admin\AppData\Local\Temp\4e259bb72091a51873695eab388599bf4665c0cd04363d48481ff406771fdf1b.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2760
    • 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:2748
      • 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:2008
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1736
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:2820

    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

      270KB

      MD5

      f0bf962130bfde998fd5f669720650e8

      SHA1

      33be3639bc249b5bab16a47ed8a14d727533a1ca

      SHA256

      7c20c3853459fa5aa72441a699b7334cd744a623a8e98ec6dcbacf3aa8ad5919

      SHA512

      17e0ab6ba577c88de5b96099bdaa726038cdcb009349825b1936219a6589ac8ad00232226d897f118e247a5fea4d204a044431abc8f5585549d4232a687edfec

    • memory/2008-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2008-38-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2008-29-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2008-31-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2008-33-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2008-37-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2008-28-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2008-36-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2748-39-0x0000000074C60000-0x000000007534E000-memory.dmp

      Filesize

      6.9MB

    • memory/2748-25-0x0000000074C60000-0x000000007534E000-memory.dmp

      Filesize

      6.9MB

    • memory/2748-22-0x0000000000100000-0x0000000000146000-memory.dmp

      Filesize

      280KB

    • memory/2760-23-0x0000000074C60000-0x000000007534E000-memory.dmp

      Filesize

      6.9MB

    • memory/2760-26-0x0000000074C60000-0x000000007534E000-memory.dmp

      Filesize

      6.9MB

    • memory/2760-3-0x0000000074C60000-0x000000007534E000-memory.dmp

      Filesize

      6.9MB

    • memory/2760-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

      Filesize

      4KB

    • memory/2760-2-0x0000000000310000-0x000000000031A000-memory.dmp

      Filesize

      40KB

    • memory/2760-1-0x00000000012C0000-0x0000000001306000-memory.dmp

      Filesize

      280KB

    • memory/2760-9-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

      Filesize

      4KB