Extracted

Extracted

• • Target

    Boostrapper.exe

  • Size

    1.2MB

  • MD5

    1351aa2b7bbc96e89da5683d53305f51

  • SHA1

    c1ba302af00ec54619d17ffd373b069d75b35d74

  • SHA256

    349e03ccb01461aa82845cc2f270d859ea725c401b62ebbc89aed6a74ca53a44

  • SHA512

    215fd0ac35746e297c4cfa5d73d1e8c50fe9b5e275bcda790015f884383a661a6013f0044b90a8da72d69472834a57f40d2f635be4f0357f0f30bed2fdaf522d

  • SSDEEP

    24576:iKmosICsrEkSfhBuZ0vIelIX5tH0vF9tK576eTSlCjxlz5Pcq3x1:KLICsdeh5lU3yFvK576eTSlCj75Uqh

  Score

  10^/10

  stormkittywannacryxwormdefense_evasiondiscoveryexecutionimpactpersistenceprivilege_escalationransomwareratspywarestealertrojanworm

  • Detect Xworm Payload

  • StormKitty

    StormKitty is an open source info stealer written in C#.

    stealerstormkitty

  • StormKitty payload

  • Stormkitty family

    stormkitty

  • Wannacry

    WannaCry is a ransomware cryptoworm.

    ransomwarewormwannacry

  • Wannacry family

    wannacry

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Xworm family

    xworm

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • 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

  • Reads user/profile data of web browsers

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer

  • Unexpected DNS network traffic destination

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application

    persistence

  • Blocklisted process makes network request

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    defense_evasion

  • 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.

  • Obfuscated Files or Information: Command Obfuscation

    Adversaries may obfuscate content during command execution to impede detection.

    defense_evasion

  • Sets desktop wallpaper using registry

    ransomware
  behavioral1