Extracted

• • Target

    skuld.sfx.exe

  • Size

    3.7MB

  • MD5

    69f045b706e34f7b013a1b3ef972b1f2

  • SHA1

    0078959f87e4de4735def1ee9fcd99592757000b

  • SHA256

    a2ce7baa72bb51468a0e92846530a8adc036fbf7ecdaaa40d0b68e86bb0d23e0

  • SHA512

    294557695432f1c09e464c012ab330ca494fa9055c946e07b38723821e21ca646cf733a335bc29f343ba7b3c2eb18e51760bb7e7553682d9d315d38762eb9acd

  • SSDEEP

    49152:t84a+Ka/iNj4WLG1cNLsvhZmKrniMrbokZPVuJqfK8eyl5LVPELrG0GR7Efp:tEXFegvKdYkZPYJoqyl5xPaNfp

  Score

  10^/10

  skulddiscoverystealercredential_accessdefense_evasionexecutionpersistenceprivilege_escalationspyware

  • Skuld stealer

    An info stealer written in Go lang.

    stealerskuld

  • Credentials from Password Stores: Credentials from Web Browsers

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Drops file in Drivers directory

  • Checks computer location settings

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

  • Executes dropped EXE

  • Loads dropped DLL

  • Reads user/profile data of local email clients

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Unsecured Credentials: Credentials In Files

    Steal credentials from unsecured files.

    credential_accessstealer

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    spyware

  • Adds Run key to start application

    persistence

  • 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.

  • Maps connected drives based on registry

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

  • Obfuscated Files or Information: Command Obfuscation

    Adversaries may obfuscate content during command execution to impede detection.

    defense_evasion
  behavioral1behavioral2