General

  • Target

    FlashingSoftwarePRO.exe

  • Size

    3.1MB

  • Sample

    241216-xjbwssxpcv

  • MD5

    71b0a3eb76e864f63a108192fce45858

  • SHA1

    e7bc4b311934f8223ef98483a8092c3c9cc5b95a

  • SHA256

    71d5442831a53d429d61cfdb48bb92ea0a30ca91782fb3b219bd9b3fe3d9cff2

  • SHA512

    a35ddfe5d194be8ec7b5444b4e1e0756de8cc7957f59cea217fe26446b299519c6676eafece1fd49e5107c34721af47402dc8aefb76f040deb5bcd51e7a2eef1

  • SSDEEP

    49152:rvSe821/aQWl8P0lSk3aKA3Z+nHPLk9h4vJeLoGd+THHB72eh2NT:rvp821/aQWl8P0lSk3DA3Z+nIhZ

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

svchost

C2

quasqy10-51732.portmap.host:4782

193.161.193.99:4782

quasqy10-51732.portmap.host:1194

Mutex

1254c7bb-0f09-42ad-83dc-450c6528bddb

Attributes
  • encryption_key

    BDB44181C868606DFCA1741A69056AAA62DADEFC

  • install_name

    svchost.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    RuntimeBroker

  • subdirectory

    System32

Targets

    • Target

      FlashingSoftwarePRO.exe

    • Size

      3.1MB

    • MD5

      71b0a3eb76e864f63a108192fce45858

    • SHA1

      e7bc4b311934f8223ef98483a8092c3c9cc5b95a

    • SHA256

      71d5442831a53d429d61cfdb48bb92ea0a30ca91782fb3b219bd9b3fe3d9cff2

    • SHA512

      a35ddfe5d194be8ec7b5444b4e1e0756de8cc7957f59cea217fe26446b299519c6676eafece1fd49e5107c34721af47402dc8aefb76f040deb5bcd51e7a2eef1

    • SSDEEP

      49152:rvSe821/aQWl8P0lSk3aKA3Z+nHPLk9h4vJeLoGd+THHB72eh2NT:rvp821/aQWl8P0lSk3DA3Z+nIhZ

    • 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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks