General

  • Target

    Entropy.exe

  • Size

    6.0MB

  • Sample

    240603-jbremaga8x

  • MD5

    6d26ca684c50f52b32ed066096be6f25

  • SHA1

    45c4cea9c3c2eb667f783f5088615acdd66060e5

  • SHA256

    7658e9aca8102462fc34d26755c44a88d994e52e77a450fdc2d9d2eacc89a189

  • SHA512

    2185c0f83758f9bc9b3b947407260f1661f8a94e294d7cadc0d88ae361e38aff4425d4f7ad87faf7566524a70709b04c9aab855b349104fcf474794d24c98dd8

  • SSDEEP

    98304:rri9EtdFByEamaHl3Ne4i3gmtfXJOLhx9fZAzDJ4wzQgsRuGK4RbBMKV3JaxT3:rri0FMleN/FJMIDJf0gsAGK4RbuK2T3

Malware Config

Targets

    • Target

      Entropy.exe

    • Size

      6.0MB

    • MD5

      6d26ca684c50f52b32ed066096be6f25

    • SHA1

      45c4cea9c3c2eb667f783f5088615acdd66060e5

    • SHA256

      7658e9aca8102462fc34d26755c44a88d994e52e77a450fdc2d9d2eacc89a189

    • SHA512

      2185c0f83758f9bc9b3b947407260f1661f8a94e294d7cadc0d88ae361e38aff4425d4f7ad87faf7566524a70709b04c9aab855b349104fcf474794d24c98dd8

    • SSDEEP

      98304:rri9EtdFByEamaHl3Ne4i3gmtfXJOLhx9fZAzDJ4wzQgsRuGK4RbBMKV3JaxT3:rri0FMleN/FJMIDJf0gsAGK4RbuK2T3

    • Command and Scripting Interpreter: PowerShell

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

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

MITRE ATT&CK Enterprise v15

Tasks