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General

  • Target

    06c0c2bfc88f5e4b30de9b11c8c7995123d5366503a83c4fe45f6458164e4d43.js

  • Size

    7KB

  • Sample

    250325-e1qr6svjz5

  • MD5

    8016106a0f300b92e1228bc05c27bdd1

  • SHA1

    10035c10b4d8fe09868675540f59fa1432aa0ee0

  • SHA256

    06c0c2bfc88f5e4b30de9b11c8c7995123d5366503a83c4fe45f6458164e4d43

  • SHA512

    1625dc364ae65ecb3468823f51ceef4013e5cb938e073a08bff228c7a03a158868780455faac25788720ff43a27786d59cefdcddeb1cc9aa732a19cf9b061627

  • SSDEEP

    96:0SloqevS78QHjtM787Ljr7wetMkejf8QHjtMTpOcfObeqfOb/77XpGaq8QHjtMqH:kQ+tofSP6l4rF

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

March-25-3

C2

chongmei33.publicvm.com:2703

chongmei33.publicvm.com:7031

umarmira055.duckdns.org:2703

umarmira055.duckdns.org:7031

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    svchost.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      06c0c2bfc88f5e4b30de9b11c8c7995123d5366503a83c4fe45f6458164e4d43.js

    • Size

      7KB

    • MD5

      8016106a0f300b92e1228bc05c27bdd1

    • SHA1

      10035c10b4d8fe09868675540f59fa1432aa0ee0

    • SHA256

      06c0c2bfc88f5e4b30de9b11c8c7995123d5366503a83c4fe45f6458164e4d43

    • SHA512

      1625dc364ae65ecb3468823f51ceef4013e5cb938e073a08bff228c7a03a158868780455faac25788720ff43a27786d59cefdcddeb1cc9aa732a19cf9b061627

    • SSDEEP

      96:0SloqevS78QHjtM787Ljr7wetMkejf8QHjtMTpOcfObeqfOb/77XpGaq8QHjtMqH:kQ+tofSP6l4rF

    • AsyncRat

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

    • Asyncrat family

    • WSHRAT

      WSHRAT is a variant of Houdini worm and has vbs and js variants.

    • Wshrat family

    • Async RAT payload

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks