General

  • Target

    011c839ea6f5be8ca3e8c2088248f8301bbc614cdc8746c040033206b103c1e7N

  • Size

    737KB

  • Sample

    240927-m9zqfasckb

  • MD5

    8ea5e38acebe9b835f9b330faa8d6560

  • SHA1

    d3473c0c7fd2b8d85104f0d6b5560cd8487177af

  • SHA256

    011c839ea6f5be8ca3e8c2088248f8301bbc614cdc8746c040033206b103c1e7

  • SHA512

    cd0fab7d46856e7504a9f5dc1528177a2bc79e26ad0f12ecb9e860f524c4cc2ef40f5ac8d28d2f50169242f7fa8ad2a12fe090950c835906ce4976ff6b363e58

  • SSDEEP

    6144:SgxilHZyojpSVOfkNvR/XwSFXHw5sKxGhjuZxerwfJcWVPwt+Verd1cIJYvvmW:6lYkCRv5FX8sKxGhyyk6TcIJYvvmW

Malware Config

Targets

    • Target

      011c839ea6f5be8ca3e8c2088248f8301bbc614cdc8746c040033206b103c1e7N

    • Size

      737KB

    • MD5

      8ea5e38acebe9b835f9b330faa8d6560

    • SHA1

      d3473c0c7fd2b8d85104f0d6b5560cd8487177af

    • SHA256

      011c839ea6f5be8ca3e8c2088248f8301bbc614cdc8746c040033206b103c1e7

    • SHA512

      cd0fab7d46856e7504a9f5dc1528177a2bc79e26ad0f12ecb9e860f524c4cc2ef40f5ac8d28d2f50169242f7fa8ad2a12fe090950c835906ce4976ff6b363e58

    • SSDEEP

      6144:SgxilHZyojpSVOfkNvR/XwSFXHw5sKxGhjuZxerwfJcWVPwt+Verd1cIJYvvmW:6lYkCRv5FX8sKxGhyyk6TcIJYvvmW

    • ISR Stealer

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

    • ISR Stealer payload

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks