General

  • Target

    Bootstrapper.exe

  • Size

    3.1MB

  • Sample

    241220-fksghazpdv

  • MD5

    bc14ab48b3cc300a8a2c14b9fe6b185a

  • SHA1

    3fa377bf0f2cf8a5dab914eb0f224d2ca6b90c78

  • SHA256

    e19ec4fa8dcc4d92b63bf6e5d4b9c519032799fec8fb7d5634adf34d954f067b

  • SHA512

    5f34a257f7cb4511359708a243b15bedcac2d65911ecd4c168a97068c6f1aa77973bd9dffa9e496828883c067205865af159710d0d40e1d0317786fca421bf10

  • SSDEEP

    49152:3vCI22SsaNYfdPBldt698dBcjHqpgzMvbRwLoGdcETHHB72eh2NT:3vP22SsaNYfdPBldt6+dBcjHqpgzMs

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Rat

C2

AMNSALKSamongus-47679.portmap.host:4782

Mutex

d3bc3858-ff4a-4aa8-97ec-67721ddcdeeb

Attributes
  • encryption_key

    C8D618C9B5D2F91FFC94B6E9C868ECF80EB774F8

  • install_name

    Client.exe

  • log_directory

    ratted client

  • reconnect_delay

    3000

  • startup_key

    hello son

  • subdirectory

    SubDir

Targets

    • Target

      Bootstrapper.exe

    • Size

      3.1MB

    • MD5

      bc14ab48b3cc300a8a2c14b9fe6b185a

    • SHA1

      3fa377bf0f2cf8a5dab914eb0f224d2ca6b90c78

    • SHA256

      e19ec4fa8dcc4d92b63bf6e5d4b9c519032799fec8fb7d5634adf34d954f067b

    • SHA512

      5f34a257f7cb4511359708a243b15bedcac2d65911ecd4c168a97068c6f1aa77973bd9dffa9e496828883c067205865af159710d0d40e1d0317786fca421bf10

    • SSDEEP

      49152:3vCI22SsaNYfdPBldt698dBcjHqpgzMvbRwLoGdcETHHB72eh2NT:3vP22SsaNYfdPBldt6+dBcjHqpgzMs

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks