General

  • Target

    svchost.exe

  • Size

    64KB

  • Sample

    230331-blm6ysgb25

  • MD5

    f97fa46ef53c32b3d35e7eb702cf15ce

  • SHA1

    92fcc3d3eea33cf659d0140079364f972867aca2

  • SHA256

    23eac34d8e359b2527ed4de7b51a1332fbb6887a6ffff30940af7ccda731de31

  • SHA512

    183b5498f946a9ee1c6f3c2b6d70d75b4e1415842c6f54fd427adf8a5579c1b8f803f7bc5f893e28eb16cdc2259aee92df78c15bc8023b078143d4918a5a5477

  • SSDEEP

    1536:7/G2Wz1soi1sXsautYViUXObhnE9iqEvjUqT3WIx:7/G2Wz1soi10s/tYV3+bhERk3Vx

Malware Config

Extracted

Family

asyncrat

Version

AsyncRAT

Botnet

New

C2

websites.vpndns.net:112

Mutex

AsyncMutex_5552

Attributes
  • delay

    3

  • install

    true

  • install_file

    svchost.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      svchost.exe

    • Size

      64KB

    • MD5

      f97fa46ef53c32b3d35e7eb702cf15ce

    • SHA1

      92fcc3d3eea33cf659d0140079364f972867aca2

    • SHA256

      23eac34d8e359b2527ed4de7b51a1332fbb6887a6ffff30940af7ccda731de31

    • SHA512

      183b5498f946a9ee1c6f3c2b6d70d75b4e1415842c6f54fd427adf8a5579c1b8f803f7bc5f893e28eb16cdc2259aee92df78c15bc8023b078143d4918a5a5477

    • SSDEEP

      1536:7/G2Wz1soi1sXsautYViUXObhnE9iqEvjUqT3WIx:7/G2Wz1soi10s/tYV3+bhERk3Vx

    • AsyncRat

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

    • Async RAT payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

MITRE ATT&CK Enterprise v6

Tasks