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Analysis

  • max time kernel
    143s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/05/2024, 14:44

General

  • Target

    g2m.dll

  • Size

    44.7MB

  • MD5

    800ea3a241461649e1bda3aac6854335

  • SHA1

    111f1fc6b3d58328e8799b5c93a60b9586580166

  • SHA256

    e0f8597fbde807a20dd853711c5cfda779eb18d389277c4a2db63948202723f7

  • SHA512

    2aa8dc19e1310f8352af25b5de6da5783da5235847a1a8c8bf15aafc83f9fc6ef207ab25d0075aa858311abb681d82e921eb17a7d0af9f02451d5cf7c5d761af

  • SSDEEP

    786432:rUP7GCGO7t0Srkx/tC0SzIdSwh/WxbpNHQD3trzRp2:rUP7GCG6iSrkx1hSzYsHQD3t/Rk

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

C2

5.253.84.218:7878

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\g2m.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\g2m.dll
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1220
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3576
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\ChromeData.dll",EntryPoint /f & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4468
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\ChromeData.dll",EntryPoint /f
          4⤵
          • Adds Run key to start application
          PID:4108
  • 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 --no-appcompat-clear --mojo-platform-channel-handle=1032 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1752

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1220-1-0x00000000102E6000-0x0000000010300000-memory.dmp

      Filesize

      104KB

    • memory/1220-0-0x0000000010000000-0x0000000012D6D000-memory.dmp

      Filesize

      45.4MB

    • memory/1220-3-0x0000000010000000-0x0000000012D6D000-memory.dmp

      Filesize

      45.4MB

    • memory/1220-2-0x0000000010000000-0x0000000012D6D000-memory.dmp

      Filesize

      45.4MB

    • memory/1220-4-0x0000000010000000-0x0000000012D6D000-memory.dmp

      Filesize

      45.4MB

    • memory/1220-6-0x0000000010000000-0x0000000012D6D000-memory.dmp

      Filesize

      45.4MB

    • memory/3576-5-0x0000000001260000-0x0000000001276000-memory.dmp

      Filesize

      88KB

    • memory/3576-7-0x0000000073C5E000-0x0000000073C5F000-memory.dmp

      Filesize

      4KB

    • memory/3576-8-0x0000000073C5E000-0x0000000073C5F000-memory.dmp

      Filesize

      4KB

    • memory/3576-9-0x0000000006070000-0x000000000610C000-memory.dmp

      Filesize

      624KB

    • memory/3576-10-0x00000000066C0000-0x0000000006C64000-memory.dmp

      Filesize

      5.6MB

    • memory/3576-11-0x0000000006180000-0x00000000061E6000-memory.dmp

      Filesize

      408KB