Extracted

• • Target

    checker.exe

  • Size

    25.6MB

  • MD5

    9f64844e8a728dbacf78e16fadb3ee47

  • SHA1

    8c45a00ff8249864a16b8934635cd6577cc3a52f

  • SHA256

    711e125a58787af18f1258d4c23789adaab132e1aa5f2f68e4652c88aae542e5

  • SHA512

    db0fa1bebd866abebc1b83857ad50967a1a1fc44413a95082827db711995260f3ccb1fec22fc94f27d50636f279c270f7d78a84a28dca64fcd5c51dbcdb55162

  • SSDEEP

    786432:tb7bD/zhNXXbhF84m8FhvMhbFV/v92aVD6:tb7bRJVu4m8FhvMhbFVNVD

  Score

  10^/10

  milleniumratdiscoveryevasionexecutionpersistencepyinstallerratspywarestealergurcu

  • Gurcu, WhiteSnake

    Gurcu is a malware stealer written in C#.

    stealergurcu

  • MilleniumRat

    MilleniumRat is a remote access trojan written in C#.

    ratstealermilleniumrat

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Contacts a large (5070) amount of remote hosts

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

    discovery

  • Creates a large amount of network flows

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

    discovery

  • Command and Scripting Interpreter: PowerShell

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

    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.

  • 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.

    spywarestealer

  • 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.

  • Drops file in System32 directory

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

  behavioral1behavioral2behavioral3