Analysis

  • max time kernel
    105s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/04/2025, 20:11

General

  • Target

    windows_shellcode_loader.exe

  • Size

    1.8MB

  • MD5

    880a88bc4d6883b288e9fe5991396afc

  • SHA1

    f448f7266c97e98fb8fdfa90d33ad775ee8ac3cc

  • SHA256

    2437709b8e2f53f242849d6b45ebabd03226ee70d508926746989c368ffc3df7

  • SHA512

    16d4014a54a416785fe2d784370a839c4fd56c6bc394f68edea3dc02b9e9bf0891f4f4a286ce874de1e41262a7debdd15ddf3b05d146851c083ac5f2a7bd0a44

  • SSDEEP

    49152:a2LkiBtAvvAEF5+sFrguhJ2B+qVIUZKrhpE94IU6i:eFjODFH+

Malware Config

Extracted

Family

asyncrat

Version

L838 RAT v1.0.0

Botnet

Default

Mutex

sfsafqagbiv

Attributes
  • delay

    1

  • install

    true

  • install_file

    Runtime Broker.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/rVJQPNVe

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • VenomRAT 1 IoCs

    Detects VenomRAT.

  • Venomrat family
  • Async RAT payload 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\windows_shellcode_loader.exe
    "C:\Users\Admin\AppData\Local\Temp\windows_shellcode_loader.exe"
    1⤵
      PID:5696

    Network

    MITRE ATT&CK Enterprise v16

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/5696-1-0x000001AF04090000-0x000001AF040A3000-memory.dmp

      Filesize

      76KB