General

  • Target

    main.zip

  • Size

    1.2MB

  • Sample

    241124-1l9sdsxkcl

  • MD5

    34bd7cb79b747b689eb0a7c1e6429bff

  • SHA1

    2ae1849a806ddb6651d36e8a9cb75911ac0c9d28

  • SHA256

    370a1ac54255d09c5870186a4156f6f58894876c66f1b249a082d3cb91f482af

  • SHA512

    bef00c5d12069628636fb7313c5a690d2e80c51c8ffce73fcf05beea422af8ff13e4af3ff56df99786cc32309f5435ae02074e18d447c094048eb0c9c492b025

  • SSDEEP

    24576:Ht03E4sy0cXUCnlnl3zz5rNeAaEcbMMZ6VnTFepJCyCSBFt8:qlsjCnll3zMExw007B4

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.0.113:4782

Mutex

c82ea6b0-d255-45fb-b0eb-547ab14c0e9e

Attributes
  • encryption_key

    045BFCAC42C40445C0D8EBEF569DD1BF4BB62A56

  • install_name

    Build-client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Solara-Download-main/Boostrapper.exe

    • Size

      7B

    • MD5

      816af85a08a7a0cd80f4243807ee2951

    • SHA1

      33201a4bdd57b6ca2f6c43a3cc46df3807902a72

    • SHA256

      5954265b82a4668ec0f016513f97c215e8546ab551b38e623a01c8b67659fc2c

    • SHA512

      01096092ee5b1597db74e983d96ff072e32f674bc248c488336f4f94216c1a648a322cc823f536c4f7e7d831f79a5634d9c6f4fd1711b327d8c45ce3cf950b59

    Score
    1/10
    • Target

      Solara-Download-main/Build-Client.exe

    • Size

      3.1MB

    • MD5

      c34d921ff3487c05cfff4991df196535

    • SHA1

      c9c7ae70b2020a3f80996a1399b6eb160cfbf72c

    • SHA256

      2bcc519da18324c5cfde4f0e7a2e6fa3d7e8b2c3c020ced81f07460f77476ed3

    • SHA512

      35f51730586e8107a87aadf9bb902282285aabb2ef9ebd0e119d76e56a80f7608eb6bc799392a7c99cfd1e83e9d9626780b9b0bbc170888a4de43fd1cb360f88

    • SSDEEP

      49152:SvzlL26AaNeWgPhlmVqvMQ7XSK9gRJ6/bR3LoGd3kTHHB72eh2NT:SvpL26AaNeWgPhlmVqkQ7XSK9gRJ6R

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

    • Target

      Solara-Download-main/Solara.exe

    • Size

      1B

    • MD5

      68b329da9893e34099c7d8ad5cb9c940

    • SHA1

      adc83b19e793491b1c6ea0fd8b46cd9f32e592fc

    • SHA256

      01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b

    • SHA512

      be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09

    Score
    1/10

MITRE ATT&CK Enterprise v15

Tasks