General

  • Target

    Builder.exe

  • Size

    7.3MB

  • Sample

    250130-wtf3tsymgv

  • MD5

    a215edd9d9788492b561858e44184bca

  • SHA1

    77d8816ecce79f525c118687149e2f3b68dcb984

  • SHA256

    7fbbefdae9adf0f81808b9decf48c08ba4a47293e80cd4855c083ab1f392c184

  • SHA512

    64dfdf28e74a95af3cef3ad89b45d656bb49fba705665aad7878a397f18ae1c1a7e1aca2df466e80179f130b5350f0ac1eea26affe940742c2c42b8930f035ff

  • SSDEEP

    196608:uuWYS6uOshoKMuIkhVastRL5Di3uq1D7mW:IYShOshouIkPftRL54DRX

Malware Config

Targets

    • Target

      Builder.exe

    • Size

      7.3MB

    • MD5

      a215edd9d9788492b561858e44184bca

    • SHA1

      77d8816ecce79f525c118687149e2f3b68dcb984

    • SHA256

      7fbbefdae9adf0f81808b9decf48c08ba4a47293e80cd4855c083ab1f392c184

    • SHA512

      64dfdf28e74a95af3cef3ad89b45d656bb49fba705665aad7878a397f18ae1c1a7e1aca2df466e80179f130b5350f0ac1eea26affe940742c2c42b8930f035ff

    • SSDEEP

      196608:uuWYS6uOshoKMuIkhVastRL5Di3uq1D7mW:IYShOshouIkPftRL54DRX

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

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

    • Drops file in Drivers directory

    • Clipboard Data

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

    • 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

    • 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.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks