Analysis

  • max time kernel
    140s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 21:21

General

  • Target

    9211293FDF6164567C9C0557CF200057.exe

  • Size

    91KB

  • MD5

    9211293fdf6164567c9c0557cf200057

  • SHA1

    cef794bc498b0b4ffea444c8f0bd002f0ad717bc

  • SHA256

    4f9ae5b89c89e5c79c53db694d4d67e2d9b3c47c7389c8c3899dedbc9e92be76

  • SHA512

    bc858a5bf2f61a84718c204b1b3cef8883e91d88f5ca3f974b9531f433e44b62d2d7474a8f5f65213703146603ff531a5441a2640c7c63bf0e3b05de0671a609

  • SSDEEP

    1536:nMZI65tohmg4x4mRpkKzk9c/8a95TmjsqeEPQk4SfV:nMuHdOpkKzuc/8afmjsqeEPQk4S9

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

OS

C2

20.117.108.240:7825

Mutex

IOr8QBoiV215

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9211293FDF6164567C9C0557CF200057.exe
    "C:\Users\Admin\AppData\Local\Temp\9211293FDF6164567C9C0557CF200057.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      #system32
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1928
  • 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=4136 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4940

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1880-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

      Filesize

      4KB

    • memory/1880-1-0x0000000000F00000-0x0000000000F1C000-memory.dmp

      Filesize

      112KB

    • memory/1880-2-0x00000000747D0000-0x0000000074F80000-memory.dmp

      Filesize

      7.7MB

    • memory/1880-5-0x00000000747D0000-0x0000000074F80000-memory.dmp

      Filesize

      7.7MB

    • memory/1928-3-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/1928-6-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/1928-7-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/1928-10-0x00000000056A0000-0x000000000573C000-memory.dmp

      Filesize

      624KB

    • memory/1928-11-0x0000000005CF0000-0x0000000006294000-memory.dmp

      Filesize

      5.6MB

    • memory/1928-12-0x00000000057B0000-0x0000000005816000-memory.dmp

      Filesize

      408KB

    • memory/1928-13-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB

    • memory/1928-14-0x00000000747C0000-0x0000000074F70000-memory.dmp

      Filesize

      7.7MB