General

  • Target

    JaffaCakes118_7d42677fc239c680072d15890a8c5410

  • Size

    993KB

  • Sample

    250104-3qzt4atldv

  • MD5

    7d42677fc239c680072d15890a8c5410

  • SHA1

    3f35ba4c1dc548cd34c95e136cbfe0b8cfada3e8

  • SHA256

    ecf14ffceb6140d4be7e16f0a5f622bd18177a285a44fa0d8e35aad56c63767e

  • SHA512

    3d2d0858fa329eb59c9e8f99627e1a37f1b59c5a75a901cceae88b002d3f0d2c259843141c07929667ed2c257d122857dac28fb78e25e02ed178bee8e573cc31

  • SSDEEP

    24576:enyoo5DoPjLc4v0O9UBpBApdhnTQ08FahVGnB8H:envj0QXdhnTQ08FainU

Malware Config

Targets

    • Target

      JaffaCakes118_7d42677fc239c680072d15890a8c5410

    • Size

      993KB

    • MD5

      7d42677fc239c680072d15890a8c5410

    • SHA1

      3f35ba4c1dc548cd34c95e136cbfe0b8cfada3e8

    • SHA256

      ecf14ffceb6140d4be7e16f0a5f622bd18177a285a44fa0d8e35aad56c63767e

    • SHA512

      3d2d0858fa329eb59c9e8f99627e1a37f1b59c5a75a901cceae88b002d3f0d2c259843141c07929667ed2c257d122857dac28fb78e25e02ed178bee8e573cc31

    • SSDEEP

      24576:enyoo5DoPjLc4v0O9UBpBApdhnTQ08FahVGnB8H:envj0QXdhnTQ08FainU

    • 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

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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