Extracted

Extracted

• • Target

    vir.exe

  • Size

    311.5MB

  • MD5

    4f412bd6216ad15e1508afceafd7f3e4

  • SHA1

    17ff12a5c482cb8e356930b69c6159e3431585ba

  • SHA256

    1968e3bcc004ba237691e2ae872b2938a289328c218c85dcad38c7e56b11cd85

  • SHA512

    320610fec9e9cf7df279c74322c2f052c6f17bdb22a8d7f25c8fce039603760bbd9c7d273b24193e2f87b11bbc9b4142b690c77c96fa3eaae24e468584bdde4a

  • SSDEEP

    6291456:b2qVJw+odBeWFv1k4R4b0ewZkhT4ofHwJjvZDQPf2tLSkHjdHVeVM:Sr+WeSWgfecGT4RjvqP85xAK

  Score

  10^/10

  quasarumbralromkadiscoveryevasionexecutionexploitpersistenceransomwarespywarestealerthemidatrojanupx

  • Detect Umbral payload

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar

  • Quasar payload

  • UAC bypass

    evasiontrojan

  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

    stealerumbral

  • Windows security bypass

    evasiontrojan

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Manipulates Digital Signatures

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

  • Modifies Windows Firewall

    evasion

  • Possible privilege escalation attempt

    exploit

  • .NET Reactor proctector

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies file permissions

    discovery

  • Registers COM server for autorun

    persistence

  • Themida packer

    Detects Themida, an advanced Windows software protection system.

    themida

  • UPX packed file

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

    upx

  • Checks installed software on the system

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery

  • 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.

  • AutoIT Executable

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory

  • Sets desktop wallpaper using registry

    ransomware

  • Suspicious use of SetThreadContext

  behavioral1