General

  • Target

    Exarospooferv2.5.exe

  • Size

    3.6MB

  • Sample

    241030-w76kmsyhme

  • MD5

    e428fb66a0ed55ce99a71fc025bce570

  • SHA1

    82ac2b7ce8ab2134e253c616f3d9f97dd29595de

  • SHA256

    e7cd1d4631752f342bde407a1acfc3e5aabf0da7de711a46987e86d5c6653089

  • SHA512

    8f98abf20884bd25a2f6bb36e890e2b7bd6455edf0495818ebd2197284090ec653480657a3aad71b05e629b9d6e4848dbbca1fa4b8cc1d472988f86aefc88e64

  • SSDEEP

    98304:2SjkfMzf08tygdi18L1aOOwO5SseUFDUv0c/PBAPNkkS1FKPtyTX:2Sjtc8Mgdi1M1LOPSsNF00c/PB6NkKPw

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Exaro spoofer

C2

37.201.241.223:4782

Mutex

e6dee05f-f73f-4996-8dcd-aa3306f88702

Attributes
  • encryption_key

    C7E0C7E9C05F4E721194E42F9D56A31CF511203D

  • install_name

    provops1.exe

  • log_directory

    winfier

  • reconnect_delay

    3000

  • startup_key

    Programm

Targets

    • Target

      Exarospooferv2.5.exe

    • Size

      3.6MB

    • MD5

      e428fb66a0ed55ce99a71fc025bce570

    • SHA1

      82ac2b7ce8ab2134e253c616f3d9f97dd29595de

    • SHA256

      e7cd1d4631752f342bde407a1acfc3e5aabf0da7de711a46987e86d5c6653089

    • SHA512

      8f98abf20884bd25a2f6bb36e890e2b7bd6455edf0495818ebd2197284090ec653480657a3aad71b05e629b9d6e4848dbbca1fa4b8cc1d472988f86aefc88e64

    • SSDEEP

      98304:2SjkfMzf08tygdi18L1aOOwO5SseUFDUv0c/PBAPNkkS1FKPtyTX:2Sjtc8Mgdi1M1LOPSsNF00c/PB6NkKPw

    • 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

    • Loads dropped DLL

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks