Analysis

  • max time kernel
    152s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-04-2024 20:56

General

  • Target

    C11Bootstrapper/Properties/C11Setup.exe

  • Size

    252KB

  • MD5

    c23a7c501e475f0065efdc9775890deb

  • SHA1

    adc0d1bb12657bd6ca4354399cbfab7b9ad9cd45

  • SHA256

    b57490326cb83aaf68d2ddfd95655b89387956100c5d09c8fcd4fa50e54fb5c4

  • SHA512

    f6374e254a5ccad62549b235b4c66ef6164cfc34fd91d9ca545d44dce87c3d78984759e858d5eae796f8a096f91cf3fe5f0e1255660b00b1ece430e82af539c7

  • SSDEEP

    3072:yURcxONo2PMVI+DdH1bsv8eOQbR7c2ytBcL5BdkwvTkmEdxkY:yEo2PMVPdVbSOkWwvqdK

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

127.0.0.1:4449

Mutex

chhphkahmfnasuyziqc

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %Temp%

aes.plain

Signatures

  • AsyncRat

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

  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\C11Bootstrapper\Properties\C11Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\C11Bootstrapper\Properties\C11Setup.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4496
  • 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=3712 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3796

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4496-0-0x0000000000580000-0x00000000005C4000-memory.dmp

      Filesize

      272KB

    • memory/4496-1-0x00007FF984460000-0x00007FF984F21000-memory.dmp

      Filesize

      10.8MB

    • memory/4496-3-0x000000001B280000-0x000000001B290000-memory.dmp

      Filesize

      64KB

    • memory/4496-4-0x00007FF984460000-0x00007FF984F21000-memory.dmp

      Filesize

      10.8MB

    • memory/4496-5-0x000000001B280000-0x000000001B290000-memory.dmp

      Filesize

      64KB