General

  • Target

    Bltools 2.9.1 [PRO].exe

  • Size

    14.0MB

  • Sample

    241020-zaz85szhjj

  • MD5

    59fa48be8a4b93d5b6264b3f30a42c57

  • SHA1

    35af02f02568cf21d954a79972a3e1b9a88c14c1

  • SHA256

    0a602136ae066c54d87a8d275fab10d34df115b49a3ea580b8c825a6c637a669

  • SHA512

    4ae4485a3daae4cfb703b46ef76b1f9979bdef8e9b21d7d8527a5dd73d88e34c36ec7d08230469cd98981a15ad72104d98acd5ed64ca906282770b141d406065

  • SSDEEP

    393216:jehC8odGNhEge3fk76ni3DuAOTFbXkO/14:yhC9QOp06izuHTFb0O94

Malware Config

Targets

    • Target

      Bltools 2.9.1 [PRO].exe

    • Size

      14.0MB

    • MD5

      59fa48be8a4b93d5b6264b3f30a42c57

    • SHA1

      35af02f02568cf21d954a79972a3e1b9a88c14c1

    • SHA256

      0a602136ae066c54d87a8d275fab10d34df115b49a3ea580b8c825a6c637a669

    • SHA512

      4ae4485a3daae4cfb703b46ef76b1f9979bdef8e9b21d7d8527a5dd73d88e34c36ec7d08230469cd98981a15ad72104d98acd5ed64ca906282770b141d406065

    • SSDEEP

      393216:jehC8odGNhEge3fk76ni3DuAOTFbXkO/14:yhC9QOp06izuHTFb0O94

    • Detects Monster Stealer.

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

    • Monster

      Monster is a Golang stealer that was discovered in 2024.

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Modifies Windows Firewall

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Deletes itself

    • 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.

    • Looks up external IP address via web service

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

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks