General

  • Target

    TestFile.exe

  • Size

    3.2MB

  • Sample

    250207-am2v3asjbx

  • MD5

    cfa0c860a76a2cb8e15dcfe774097dc8

  • SHA1

    4aeb7456b619f539e6f50cc8795d4e9307ff5317

  • SHA256

    1ca88e53459076619192ce06bd6532599c399836e969df16d5724fb2af9652d7

  • SHA512

    aebc2f8127c87b4a4f8ad57a3689bc5720db499fecadd751b3f683d3b7ccf68cb4dd2280fc09df835963e4aedb2ed512ca89f35cd2a48ce355595691a5c14aa1

  • SSDEEP

    49152:YvAt62XlaSFNWPjljiFa2RoUYIiyfRlBx1ToGd3STHHB72eh2NT:Yvs62XlaSFNWPjljiFXRoUYIHR/H

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

12.75.114.52:4782

Mutex

d942a9a5-3785-41ac-a7db-12e8f1fb6c3d

Attributes
  • encryption_key

    E662E8B331BDD6D3B27E1C68FDDE49A9178AEBE8

  • install_name

    A.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      TestFile.exe

    • Size

      3.2MB

    • MD5

      cfa0c860a76a2cb8e15dcfe774097dc8

    • SHA1

      4aeb7456b619f539e6f50cc8795d4e9307ff5317

    • SHA256

      1ca88e53459076619192ce06bd6532599c399836e969df16d5724fb2af9652d7

    • SHA512

      aebc2f8127c87b4a4f8ad57a3689bc5720db499fecadd751b3f683d3b7ccf68cb4dd2280fc09df835963e4aedb2ed512ca89f35cd2a48ce355595691a5c14aa1

    • SSDEEP

      49152:YvAt62XlaSFNWPjljiFa2RoUYIiyfRlBx1ToGd3STHHB72eh2NT:Yvs62XlaSFNWPjljiFXRoUYIHR/H

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks