General

  • Target

    Vain+BqifMultiTool.exe.exe

  • Size

    8.2MB

  • Sample

    240826-ezlrtsvcnb

  • MD5

    b375cc445c483d2c031aacee816242a6

  • SHA1

    08650a74eeb55da18277caa450f921d309caea5d

  • SHA256

    d7a501f09f3b2f43027cb3e0fe92d3cb9df0c4a65d38ba884f4051d6a9edf704

  • SHA512

    6d759d218524060d804b6fe6169c6a5fad116708cf68426b70e0141bcc4f7298b95885078a41ce3e2ec3c9917c65100a31751a60a3397d1457b8ad1fc4571b47

  • SSDEEP

    196608:xaWB2turErvI9pWjg/Qc+4o673pNrabebSE2yzWGPMYnN9s2:J4urEUWjZZ4dDLIeWKzWGPTNC2

Malware Config

Targets

    • Target

      Vain+BqifMultiTool.exe.exe

    • Size

      8.2MB

    • MD5

      b375cc445c483d2c031aacee816242a6

    • SHA1

      08650a74eeb55da18277caa450f921d309caea5d

    • SHA256

      d7a501f09f3b2f43027cb3e0fe92d3cb9df0c4a65d38ba884f4051d6a9edf704

    • SHA512

      6d759d218524060d804b6fe6169c6a5fad116708cf68426b70e0141bcc4f7298b95885078a41ce3e2ec3c9917c65100a31751a60a3397d1457b8ad1fc4571b47

    • SSDEEP

      196608:xaWB2turErvI9pWjg/Qc+4o673pNrabebSE2yzWGPMYnN9s2:J4urEUWjZZ4dDLIeWKzWGPTNC2

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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

    • 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.

    • 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

    • 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

MITRE ATT&CK Enterprise v15

Tasks