General

  • Target

    ORDER_253890-5645FD.PDF.js

  • Size

    535KB

  • Sample

    250330-xvgw7axlx5

  • MD5

    930368ea6f7cd3ed52e3c11ce5a8b84b

  • SHA1

    14205534d961366b4b5650a0bd751366d40e812d

  • SHA256

    890ff9e6467fd6f448189cc6cf0e0f048d116b8fd289cacc6460215702b7b45e

  • SHA512

    5bc116514e447a9edb47c85aa70a2f900241e3920bd8bacf374c78ee6caaa46c4525b7077ca44a69790b21189d48ae74efdd7993db1d728d09c419706c7db629

  • SSDEEP

    3072:vMRy93zMk/wFRTiNy49mDvVHq07vg6fwTuP1c3TS:o82T8UJ7vg6fS0Se

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

March-25-5

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

Extracted

Family

wshrat

C2

http://chongmei33.myddns.rocks:7044

Targets

    • Target

      ORDER_253890-5645FD.PDF.js

    • Size

      535KB

    • MD5

      930368ea6f7cd3ed52e3c11ce5a8b84b

    • SHA1

      14205534d961366b4b5650a0bd751366d40e812d

    • SHA256

      890ff9e6467fd6f448189cc6cf0e0f048d116b8fd289cacc6460215702b7b45e

    • SHA512

      5bc116514e447a9edb47c85aa70a2f900241e3920bd8bacf374c78ee6caaa46c4525b7077ca44a69790b21189d48ae74efdd7993db1d728d09c419706c7db629

    • SSDEEP

      3072:vMRy93zMk/wFRTiNy49mDvVHq07vg6fwTuP1c3TS:o82T8UJ7vg6fS0Se

    • 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

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • 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