Extracted

• • Target

    Weave.exe

  • Size

    37.4MB

  • MD5

    1fb566f5c82922080e03a86e49b40154

  • SHA1

    0fe9bea2a2bf93e462b69b4afd9b833653f0dabb

  • SHA256

    80d82a2a33ab017eb31159d550ed2f08135ec2767ee68b7b88f94e3386d955ef

  • SHA512

    7e34f9ce23ae59ed46f3f8eb72e77f3bc3d4688ff44024e6059213fc8c831741306867bb579910ade4468f881e3f28bb4981275c98c2487e407a8774850accc3

  • SSDEEP

    786432:rK0ziIuB5EGCNldFPQizbz9y1Osn+bk4Xpf/2GPN1O:rKqgB54bdFPPg1Os+bHd2GF

  Score

  10^/10

  gurcumilleniumratcollectioncredential_accessdefense_evasiondiscoveryevasionexecutionpersistenceprivilege_escalationpyinstallerratspywarestealerupx

  • Deletes Windows Defender Definitions

    Uses mpcmdrun utility to delete all AV definitions.

    evasion

  • Gurcu family

    gurcu

  • Gurcu, WhiteSnake

    Gurcu is a malware stealer written in C#.

    stealergurcu

  • MilleniumRat

    MilleniumRat is a remote access trojan written in C#.

    ratstealermilleniumrat

  • Milleniumrat family

    milleniumrat

  • Modifies WinLogon for persistence

    persistence

  • Process spawned unexpected child process

    This typically indicates the parent process was compromised via an exploit or macro.

  • Suspicious use of NtCreateProcessExOtherParentProcess

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Contacts a large (705) amount of remote hosts

    This may indicate a network scan to discover remotely running services.

    discovery

  • Stops running service(s)

    evasionexecution

  • Checks BIOS information in registry

    BIOS information is often read in order to detect sandboxing environments.

  • 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.

    collection

  • Executes dropped EXE

  • Indicator Removal: Clear Windows Event Logs

    Clear Windows Event Logs to hide the activity of an intrusion.

    defense_evasion

  • Loads dropped DLL

  • Reads user/profile data of web browsers

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer

  • Unsecured Credentials: Credentials In Files

    Steal credentials from unsecured files.

    credential_accessstealer

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    spyware

  • Adds Run key to start application

    persistence

  • 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.

    defense_evasion

  • Drops file in System32 directory

  • Enumerates processes with tasklist

    discovery

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

  • UPX packed file

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

    upx
  behavioral1behavioral2

• • Target

    main.pyc

  • Size

    437B

  • MD5

    e3a83cc96bc468e8ed5e99b61ab1b08c

  • SHA1

    fc094fba9141e8ace98cce0309e1472b2471b631

  • SHA256

    893f6af6a7c380817dd8a1e5f63e72225b82c9775dc8ca40a449ed86c0427932

  • SHA512

    6d629486b39cef47bd2ce9b79ff792eebee83e4bdcbb30a756aabcbce75473a732ce2f3e89f0d200a4f9dc98765ce07538a9737cd428b2b372a6d36f4e78630d

  Score

  3^/10
  behavioral3behavioral4