General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    241102-nslb6asng1

  • MD5

    96dbf079644fad007ddee4a898bdb096

  • SHA1

    3eec62ed768ce4a1181f00a0dd6cca3564e1f9f1

  • SHA256

    3b3900adf2232fb5a995c9f6884feededfbe4a862a076ac3af936e4b5a858887

  • SHA512

    356a13c7ab5bb02ee79a2ff9525f0f8ca832302fba37cf140af8264d31933a00745b59d7f742a42ef0576964f6e112580430996ac068f63c4112907c69471385

  • SSDEEP

    49152:KvDI22SsaNYfdPBldt698dBcjHEpSu1J/goGdXTHHB72eh2NT:Kv822SsaNYfdPBldt6+dBcjHEpSJ

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.0.102:4782

Mutex

a84f48f3-00c9-414a-a093-49d616e432d3

Attributes
  • encryption_key

    D440572F816847D4B5AD6EAA65627B5DFFF00151

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      96dbf079644fad007ddee4a898bdb096

    • SHA1

      3eec62ed768ce4a1181f00a0dd6cca3564e1f9f1

    • SHA256

      3b3900adf2232fb5a995c9f6884feededfbe4a862a076ac3af936e4b5a858887

    • SHA512

      356a13c7ab5bb02ee79a2ff9525f0f8ca832302fba37cf140af8264d31933a00745b59d7f742a42ef0576964f6e112580430996ac068f63c4112907c69471385

    • SSDEEP

      49152:KvDI22SsaNYfdPBldt698dBcjHEpSu1J/goGdXTHHB72eh2NT:Kv822SsaNYfdPBldt6+dBcjHEpSJ

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks