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General

  • Target

    Bootstrapper.exe

  • Size

    22.8MB

  • Sample

    241004-fn2vcawamr

  • MD5

    2464a32008f8588a26de70a667becd25

  • SHA1

    c64b20bf2e30e2a80076d99db5bd9afb178cc4a0

  • SHA256

    748278747901dd44bf398ff096ac636b712d7e9cd36cd4fe2258bccd5b200148

  • SHA512

    2ff9526aa665aaf52524b4b9b9e83dc017070708490e329c84852ccda29c2b95235a7ecb42130d036cea9aff19df649115350834f8c3e7a2309e7c60ef9c8db8

  • SSDEEP

    393216:Y5/IiNlq1TTsWO5OGKdq4NwFv3neNv2B2qcjm+bi0K+utVTmdOvSgli9YEWt5hxz:y/IizAsWO5Mc4Ns3X2qcjm+ubqgli9SH

Malware Config

Targets

    • Target

      Bootstrapper.exe

    • Size

      22.8MB

    • MD5

      2464a32008f8588a26de70a667becd25

    • SHA1

      c64b20bf2e30e2a80076d99db5bd9afb178cc4a0

    • SHA256

      748278747901dd44bf398ff096ac636b712d7e9cd36cd4fe2258bccd5b200148

    • SHA512

      2ff9526aa665aaf52524b4b9b9e83dc017070708490e329c84852ccda29c2b95235a7ecb42130d036cea9aff19df649115350834f8c3e7a2309e7c60ef9c8db8

    • SSDEEP

      393216:Y5/IiNlq1TTsWO5OGKdq4NwFv3neNv2B2qcjm+bi0K+utVTmdOvSgli9YEWt5hxz:y/IizAsWO5Mc4Ns3X2qcjm+ubqgli9SH

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Drops startup file

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Blocklisted process makes network request

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Enumerates processes with tasklist

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks