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Analysis

  • max time kernel
    12s
  • max time network
    0s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2024, 10:00

General

  • Target

    adswqadasw.exe

  • Size

    2.9MB

  • MD5

    c88eb41aa02785f785337117bce52dc9

  • SHA1

    ee63f44027e89481fdb281b4e30fc6c8832679a2

  • SHA256

    dd5c4d0eaa73513523864ff9a264f090153a5d38e425ec4d041173ef9ab1ab76

  • SHA512

    67bedd5b7e052469ff29e6c9f6ddfd3c5a855612f769343a1a694baa53fb8c526518d00713720f94f320741d57121687b75b81999ddd065f8c712cc7c116328c

  • SSDEEP

    24576:xQBAe4kTT+2YHQyODScZoml6mm/ri5R1PqA49GAxw4DRgGoGTBytyCCBdxF9Cqz+:xOAe4kX+fDxi5R1C10QgGeyxB7JCB

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

Mutex

lfrlrahocljxyqyr

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/xFvrV0SD

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Executes dropped EXE 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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.

  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\adswqadasw.exe
    "C:\Users\Admin\AppData\Local\Temp\adswqadasw.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\winlogon.exe
      C:\winlogon.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3036
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      2⤵
        PID:2916

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\winlogon.exe

      Filesize

      2KB

      MD5

      4428c969f83fe0fb6bb2a635fe605bce

      SHA1

      15efa531bc399c5e92d72cf266f8e18b4ec78bb0

      SHA256

      458b17876c0ea9ce182b9966f97d7617600ac6cb95c363cc7f33aec420424151

      SHA512

      4896c3e06391a7caca83ae36fd2a093af81ad6165979ed23232fb35a4d85a7188ecbbc66e720c4cd3d86e4c5546848ce7b02e5d8e28cd02ca0c246b091e9d809

    • memory/2300-0-0x00000000742A1000-0x00000000742A2000-memory.dmp

      Filesize

      4KB

    • memory/2300-1-0x00000000742A0000-0x000000007484B000-memory.dmp

      Filesize

      5.7MB

    • memory/2300-2-0x00000000742A0000-0x000000007484B000-memory.dmp

      Filesize

      5.7MB

    • memory/2300-26-0x00000000742A0000-0x000000007484B000-memory.dmp

      Filesize

      5.7MB

    • memory/3036-24-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/3036-22-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/3036-19-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/3036-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/3036-15-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/3036-13-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/3036-11-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/3036-9-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB