General

  • Target

    AsyncClient.exe

  • Size

    45KB

  • Sample

    231021-w88rdsad32

  • MD5

    f7b527766d5f642498c45f5018d64b7d

  • SHA1

    144e941ca47c451b5df08d5d8d4900527f1a9fee

  • SHA256

    5a843694b01a9bfa63eaeec145173e06f4bba9cf9809fe61d95e2c890d72b397

  • SHA512

    d9134fa2b5a714e789021047c8dd123855ee4e3fdda50b9e2be90cbf5aa1d064286a0de2e7936c0a57199f5cbaf5b5cb2efac7f0c1da3f7d017255cf38ab09d8

  • SSDEEP

    768:9uwqNToEjaNLWU3+KZmo2q7cKjPGaG6PIyzjbFgX3iFdtwgD7PUocm1sBDZXx:9uwqNToqad2JKTkDy3bCXSJBxqdXx

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:3767

147.185.221.17:6606

147.185.221.17:7707

147.185.221.17:8808

147.185.221.17:3767

Mutex

gWbZsZK03zkW

Attributes
  • delay

    3

  • install

    true

  • install_file

    explorer.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      AsyncClient.exe

    • Size

      45KB

    • MD5

      f7b527766d5f642498c45f5018d64b7d

    • SHA1

      144e941ca47c451b5df08d5d8d4900527f1a9fee

    • SHA256

      5a843694b01a9bfa63eaeec145173e06f4bba9cf9809fe61d95e2c890d72b397

    • SHA512

      d9134fa2b5a714e789021047c8dd123855ee4e3fdda50b9e2be90cbf5aa1d064286a0de2e7936c0a57199f5cbaf5b5cb2efac7f0c1da3f7d017255cf38ab09d8

    • SSDEEP

      768:9uwqNToEjaNLWU3+KZmo2q7cKjPGaG6PIyzjbFgX3iFdtwgD7PUocm1sBDZXx:9uwqNToqad2JKTkDy3bCXSJBxqdXx

    Score
    10/10
    • 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

MITRE ATT&CK Enterprise v15

Tasks