Extracted

• • Target

    https://samples.vx-underground.org/Samples/VirusSign%20Collection/2023.11/VirusSign.2023.11.30.7z

  Score

  10^/10

  berbewblackmoonfloxifgh0stratmydoombackdoorbankerdefense_evasiondiscoveryevasionpersistenceprivilege_escalationransomwarerattrojanupxworm

  • Adds autorun key to be loaded by Explorer.exe on startup

    persistence

  • Berbew

    Berbew is a backdoor written in C++.

    backdoorberbew

  • Berbew family

    berbew

  • Blackmoon family

    blackmoon

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

    trojanbankerblackmoon

  • Detect Blackmoon payload

  • Detects MyDoom family

  • Floxif family

    floxif

  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

    backdoortrojanfloxif

  • Gh0st RAT payload

  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

    ratgh0strat

  • Gh0strat family

    gh0strat

  • Modifies firewall policy service

    evasion

  • Modifies visibility of file extensions in Explorer

    evasion

  • MyDoom

    MyDoom is a Worm that is written in C++.

    wormmydoom

  • Mydoom family

    mydoom

  • Detects Floxif payload

    backdoor

  • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    evasion

  • Renames multiple (61) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware

  • Contacts a large (1208) amount of remote hosts

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

    discovery

  • Event Triggered Execution: AppInit DLLs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

    persistenceprivilege_escalation

  • Sets file to hidden

    Modifies file attributes to stop it showing in Explorer etc.

    evasion

  • ACProtect 1.3x - 1.4x DLL software

    Detects file using ACProtect software.

  • Checks BIOS information in registry

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

  • Executes dropped EXE

  • Loads dropped DLL

  • Adds Run key to start application

    persistence

  • Checks whether UAC is enabled

    evasiontrojan

  • Indicator Removal: File Deletion

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion

  • AutoIT Executable

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

  • UPX packed file

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

    upx
  behavioral1