General

  • Target

    Boostrapper.exe

  • Size

    46.1MB

  • Sample

    240909-l8yw3svfqe

  • MD5

    590cf602c275f7442cba4fe8a3558d69

  • SHA1

    628cac806adcda32522c2566640c16a84d5b1405

  • SHA256

    602773344614fd741a3ea169005434383ba28dd6e4e06f08ce9f57266f11fdec

  • SHA512

    97ead9ca2f778391248de1f887d4389719968e093b5161dc3a4e8926fae184bb6483bf0753412d3e9604f5ccdf6333b7a0da340150da26f37f48e42d83bc369a

  • SSDEEP

    786432:O7vDACrv3FqbqT4YQivGgPQEErUhqsOZyjDTmohQiXgPQEErUlqsAI6eQR:O7v0eqbg/QEG89EtZyjDTmwQE89EdI67

Malware Config

Targets

    • Target

      Boostrapper.exe

    • Size

      46.1MB

    • MD5

      590cf602c275f7442cba4fe8a3558d69

    • SHA1

      628cac806adcda32522c2566640c16a84d5b1405

    • SHA256

      602773344614fd741a3ea169005434383ba28dd6e4e06f08ce9f57266f11fdec

    • SHA512

      97ead9ca2f778391248de1f887d4389719968e093b5161dc3a4e8926fae184bb6483bf0753412d3e9604f5ccdf6333b7a0da340150da26f37f48e42d83bc369a

    • SSDEEP

      786432:O7vDACrv3FqbqT4YQivGgPQEErUhqsOZyjDTmohQiXgPQEErUlqsAI6eQR:O7v0eqbg/QEG89EtZyjDTmwQE89EdI67

    • 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.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Grants admin privileges

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

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Clipboard Data

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

    • 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.

    • UPX packed file

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Enterprise v15

Tasks