Extracted

• • Target
    IcedTLoader_protected.exe
  • Size 21.5MB
  • SHA256 380479be6e85a1f9c5d61e39fbf79c0330edc436a89d7935e8a1333761ebacb5
  • MD5 a57ef76c1964a91a9df0c63aa2efe5d5
  • SHA1 fba61bc53283bd577605b0bb46b6078c9d23dad5
  • SHA512 b4c01672d967ad5d1b17be30b5b5126b9301aec3d3d7820183e6d16a21a632355ed5a38521ff7d8f555ed5befaed249a7df20d469564615fd7e113c625d588ff
  • SSDEEP 393216:N+g+R/5etSdaY4uL2zITTCSCxdilqtU2Bc7+mYlGyNHgL+6Pb8v/JnpzcF+gky:N+g+Rza9G233dUq/Bc7+mYlxNHgL+ybt
  • TLSH
    T19B37331477FCB470ED88843D36916A05BBA60DD8747D922626F1D7BA300B93C5B87CBA
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  defense_evasiondiscoveryexecutionumbralspywarestealerthemidatrojan

  • Detects Umbral payload

  • Family: Umbral

    Umbral stealer is an open-source modular stealer written in C#.

    stealerumbral

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

    defense_evasion

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Disables one or more Microsoft Defender components

    Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    defense_evasion

  • 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.

  • Disables automatic submission of suspicious files to Microsoft by Windows Defender

    Uses the Powershell Set-MpPreference cmdlet to prevent Windows Defender from automatically sending files to Microsoft for analysis.

    defense_evasion

  • 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

  • Themida packer

    Detects Themida, an advanced Windows software protection system.

    themida

  • Checks whether UAC is enabled

    defense_evasiontrojan

  • Contacts third-party web service commonly abused for C2

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

    discovery

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  behavioral1behavioral2