General

  • Target

    55b4619d5fbcd3a08f985990a4a6f720N.exe

  • Size

    267KB

  • Sample

    240820-phvnhsvfnp

  • MD5

    55b4619d5fbcd3a08f985990a4a6f720

  • SHA1

    9a35dab7ac19ef221e3c191054ee96bbf85022aa

  • SHA256

    b27b495830a306373ee17db6cee4fea5b837d6610bd0d2d5702efa6260b86991

  • SHA512

    1d920ebdb736dbdefb0a709638a3a3c006b3cfd501db9aba4e36ce71310b463bb068982173adc5ee9b5fab62205fd23a710d5f8a8fd218e18b64fcdce2ac650a

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/u:WFzDqa86hV6uRRqX1evPlwAG

Malware Config

Extracted

Family

asyncrat

Version

0.4.9G

C2

corporation.warzonedns.com:9341

Mutex

480-28105c055659

Attributes
  • delay

    0

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      55b4619d5fbcd3a08f985990a4a6f720N.exe

    • Size

      267KB

    • MD5

      55b4619d5fbcd3a08f985990a4a6f720

    • SHA1

      9a35dab7ac19ef221e3c191054ee96bbf85022aa

    • SHA256

      b27b495830a306373ee17db6cee4fea5b837d6610bd0d2d5702efa6260b86991

    • SHA512

      1d920ebdb736dbdefb0a709638a3a3c006b3cfd501db9aba4e36ce71310b463bb068982173adc5ee9b5fab62205fd23a710d5f8a8fd218e18b64fcdce2ac650a

    • SSDEEP

      3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/u:WFzDqa86hV6uRRqX1evPlwAG

    • AsyncRat

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

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks