General

  • Target

    NEAS.da857a0331bdc019dc4e2a9a2337cc00.exe

  • Size

    3.2MB

  • Sample

    231106-dg1btsgd7w

  • MD5

    da857a0331bdc019dc4e2a9a2337cc00

  • SHA1

    0a580abb956ae53ea992b7028e629f7a7dee352e

  • SHA256

    3252b367fd261d37e1edb5a6ce97f280de0c8c2f6bd7dffeb260cd985e473003

  • SHA512

    5bc18892d05452679da37195bd3c69f67bfc72bc10e77d3cdddc154d728b7fb0aa4f0f8a8f51b52a1a934d41a8a54caafd11f69ca2d623e7034f00a69842c424

  • SSDEEP

    49152:0vLI22SsaNYfdPBldt698dBcjHnkRJ6NbR3LoGdJjTHHB72eh2NT:0v022SsaNYfdPBldt6+dBcjHnkRJ6f

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.71:4782

Mutex

0b5dd858-b25e-4af2-be67-fdd3911a05ac

Attributes
  • encryption_key

    980FD19BCBF25101E7AB250AE6334DF3B0C9FC00

  • install_name

    java updater.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    java updater

  • subdirectory

    SubDir

Targets

    • Target

      NEAS.da857a0331bdc019dc4e2a9a2337cc00.exe

    • Size

      3.2MB

    • MD5

      da857a0331bdc019dc4e2a9a2337cc00

    • SHA1

      0a580abb956ae53ea992b7028e629f7a7dee352e

    • SHA256

      3252b367fd261d37e1edb5a6ce97f280de0c8c2f6bd7dffeb260cd985e473003

    • SHA512

      5bc18892d05452679da37195bd3c69f67bfc72bc10e77d3cdddc154d728b7fb0aa4f0f8a8f51b52a1a934d41a8a54caafd11f69ca2d623e7034f00a69842c424

    • SSDEEP

      49152:0vLI22SsaNYfdPBldt698dBcjHnkRJ6NbR3LoGdJjTHHB72eh2NT:0v022SsaNYfdPBldt6+dBcjHnkRJ6f

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks