Extracted

• • Target

    main.exe

  • Size

    26.5MB

  • MD5

    95ca985380b1aacfb458d2eb5f67528b

  • SHA1

    deec905cf18ff8f7be5879424e45eb36893ce215

  • SHA256

    559d428cfe6f18452f36e71a7c6dd52ec4c2507bec972321d432ed929bfc3e69

  • SHA512

    57c14b5cd9dc3c67dad46dabb93e54811bcb56e7a9370906405a2f2d91c8232d993b6fa8a194994c1d7742bc4989363e4ed546e50fd313114a3fa4ad1b42c9b3

  • SSDEEP

    393216:qUrTbCVFENlgdkQbaVxN2dAdpN7D9aGzonuT9rM227mIKDp+T:qUvRgdjtAdhKuT9A2mKN+

  Score

  10^/10

  upxgurcumilleniumratcollectioncredential_accessdefense_evasiondiscoveryevasionexecutionpersistenceprivilege_escalationpyinstallerratspywarestealer

  • Gurcu, WhiteSnake

    Gurcu is a malware stealer written in C#.

    stealergurcu

  • MilleniumRat

    MilleniumRat is a remote access trojan written in C#.

    ratstealermilleniumrat

  • 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 NtCreateUserProcessOtherParentProcess

  • Credentials from Password Stores: Credentials from Web Browsers

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • 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

  • UPX packed file

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

    upx

  • 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 SetThreadContext

  behavioral1behavioral2