Extracted

• • Target

    Build.exe

  • Size

    31.6MB

  • MD5

    28f7e77090b0fe1bcb891d09676e7ff0

  • SHA1

    bfeaab2f17b342cbd884204cb6cc6be7c527f292

  • SHA256

    0b6bab94b09244db88f470c10372a7e6d6d1286d6a10b63d9617f19415a3c2e1

  • SHA512

    6341b08998cab66e07de36e08125819badcff9671d8c775a86a9b8808e3f1dca25e2f56c5bcddb57067e3936b9e641555eb6ea47b0fdbda2c2103d0e5a586504

  • SSDEEP

    786432:SeMRQqeCr6EBCuQF2eBjQvhVElf1J+Xx64cFxBW:SePqfOEbwBjQvYpg6bxBW

  Score

  10^/10

  gurcumilleniumratdiscoveryevasionexecutionpersistenceprivilege_escalationpyinstallerratspywarestealerupx

  • 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 (4194) 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

  • 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.

  • 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

  • UPX packed file

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

    upx

  • 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.

  • Drops file in System32 directory

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

  behavioral1behavioral2