General

  • Target

    Nemisis.exe

  • Size

    7.6MB

  • Sample

    250106-z9kyhayje1

  • MD5

    2ed27cbc20953bdb5ad79adc95d8fbd7

  • SHA1

    5d19edd25a70fc139a8315c4d4f80b2997324a68

  • SHA256

    be8537b6224de400e69865122b5a5901594a42a06cd54044100dfc635bb23397

  • SHA512

    058b676a512a798d7c9d17e42579102e02f1f74a848e5ecb0b2637e8a5452acd0fa869ea2c155d11568cfd37e43d3e4ce22ca34be92af223fc3b7fb2f6012f89

  • SSDEEP

    196608:pBD+kdSYwfI9jUCBB7m+mKOY7rXrZusooDmhfvsbnTNWR:b54HIHL7HmBYXrYoaUNS

Malware Config

Targets

    • Target

      Nemisis.exe

    • Size

      7.6MB

    • MD5

      2ed27cbc20953bdb5ad79adc95d8fbd7

    • SHA1

      5d19edd25a70fc139a8315c4d4f80b2997324a68

    • SHA256

      be8537b6224de400e69865122b5a5901594a42a06cd54044100dfc635bb23397

    • SHA512

      058b676a512a798d7c9d17e42579102e02f1f74a848e5ecb0b2637e8a5452acd0fa869ea2c155d11568cfd37e43d3e4ce22ca34be92af223fc3b7fb2f6012f89

    • SSDEEP

      196608:pBD+kdSYwfI9jUCBB7m+mKOY7rXrZusooDmhfvsbnTNWR:b54HIHL7HmBYXrYoaUNS

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks