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General

  • Target

    Client.exe

  • Size

    158KB

  • Sample

    240514-saylzsca24

  • MD5

    530f0cd9dd681beb9e1f941b4f065592

  • SHA1

    657a70a6fe8b704b3cb0bdf3a7bcc440d0bcb189

  • SHA256

    ec10e8325b6c955e29f74034691df96dc789407043b3b6a9e4117190d7e3372c

  • SHA512

    deeb66e0d8751f282f3a73494636d5ba8ccb8682c05ce441a33fa043859e74a5af4c7b3912e1ea53cebdf75b4206e68512a76c3436d502eaaa53f8cfdd4b472c

  • SSDEEP

    3072:gbzbDH+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPSSO8Y:gbzbDe0ODhTEPgnjuIJzo+PPcfPSN8

Malware Config

Extracted

Family

arrowrat

Botnet

Client

C2

192.168.56.1:1337

Mutex

ZTDIAGFVu

Targets

    • Target

      Client.exe

    • Size

      158KB

    • MD5

      530f0cd9dd681beb9e1f941b4f065592

    • SHA1

      657a70a6fe8b704b3cb0bdf3a7bcc440d0bcb189

    • SHA256

      ec10e8325b6c955e29f74034691df96dc789407043b3b6a9e4117190d7e3372c

    • SHA512

      deeb66e0d8751f282f3a73494636d5ba8ccb8682c05ce441a33fa043859e74a5af4c7b3912e1ea53cebdf75b4206e68512a76c3436d502eaaa53f8cfdd4b472c

    • SSDEEP

      3072:gbzbDH+0OoCthfbEFtbcfjF45gjryKKqH6JY2doszEmQotEPPcfPSSO8Y:gbzbDe0ODhTEPgnjuIJzo+PPcfPSN8

    • ArrowRat

      Remote access tool with various capabilities first seen in late 2021.

    • Modifies Installed Components in the registry

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks

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