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General

  • Target

    JaffaCakes118_325beb263217def7c4bd2bf3236e2f16

  • Size

    1.5MB

  • Sample

    250228-hw58vavnw8

  • MD5

    325beb263217def7c4bd2bf3236e2f16

  • SHA1

    c4f532eac3791f39952b3097a812b018237cad85

  • SHA256

    4939e272199eac93aeb81e063c368dcd228b59cbe82522e893b1d47badaf421e

  • SHA512

    a1a2347fe964c2884b4b9ddd560248550c12857e77f0d485aa0da900922d682770f6b505258f8a51d8cd2769b4bbf4f5eb2a225fbd9862ee08bffa1364972874

  • SSDEEP

    24576:uHYxbvHwDr6Y/Hicgp/lUBuW6iefshRdrEAbm4z:u4xcD/6h0BuydYAm4z

Malware Config

Targets

    • Target

      JaffaCakes118_325beb263217def7c4bd2bf3236e2f16

    • Size

      1.5MB

    • MD5

      325beb263217def7c4bd2bf3236e2f16

    • SHA1

      c4f532eac3791f39952b3097a812b018237cad85

    • SHA256

      4939e272199eac93aeb81e063c368dcd228b59cbe82522e893b1d47badaf421e

    • SHA512

      a1a2347fe964c2884b4b9ddd560248550c12857e77f0d485aa0da900922d682770f6b505258f8a51d8cd2769b4bbf4f5eb2a225fbd9862ee08bffa1364972874

    • SSDEEP

      24576:uHYxbvHwDr6Y/Hicgp/lUBuW6iefshRdrEAbm4z:u4xcD/6h0BuydYAm4z

    • ISR Stealer

      ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

    • ISR Stealer payload

    • Isrstealer family

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks