Extracted

• • Target

    BootstrapperV18.exe

  • Size

    67KB

  • MD5

    3f194cb392261195f6354bfefacc8df6

  • SHA1

    35ed93df509fb3b34cdcd6f39c645a8bc9bc63e5

  • SHA256

    b97e386e681f0aa6c3ffb15d972dfb7aed7b3ea5711d6e105850800a9688643e

  • SHA512

    f08bd41e4ed678f6ad315e0ef843110bc03c239b9b4f7bc3c45e3b5f1f16dde791b86cbb7289f1da962047605287c3e1d0da678572836f7965b2d42c595250e2

  • SSDEEP

    1536:I06pVXzKc2nHLPdKLi/5F26T15TkbOLmobtO7hKD:I0BLnrMLi/O6TTkbOL7btO7ID

  Score

  10^/10

  exelastealerumbralxwormbootkitcollectiondefense_evasiondiscoveryevasionexecutionpersistenceprivilege_escalationpyinstallerratspywarestealertrojanupx

  • Detect Umbral payload

  • Detect Xworm Payload

  • Exela Stealer

    Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

    stealerexelastealer

  • UAC bypass

    evasiontrojan

  • Umbral

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

    stealerumbral

  • Windows security bypass

    evasiontrojan

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Grants admin privileges

    Uses net.exe to modify the user's privileges.

  • Boot or Logon Autostart Execution: Active Setup

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Event Triggered Execution: Image File Execution Options Injection

    persistence

  • Modifies Windows Firewall

    evasion

  • 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

  • Drops startup file

  • 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

  • Windows security modification

    evasiontrojan

  • Adds Run key to start application

    persistence

  • Checks whether UAC is enabled

    evasiontrojan

  • 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.

  • Network Service Discovery

    Attempt to gather information on host's network.

    discovery

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Enumerates processes with tasklist

    discovery

  • Hide Artifacts: Hidden Files and Directories

    defense_evasion

  • UPX packed file

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

    upx
  behavioral1