Extracted

• • Target
    skuld.sfx.exe
  • Size 3.7MB
  • SHA256 c128cf0d1afc230ead203fecf537e8161eb9cc1abd3cfbd7d9cf8def2cb4ae10
  • MD5 ab89295610a3a53927f7479c8db9a8a9
  • SHA1 6060c650d1edcc005982448912fa9a6e18067696
  • SHA512 c2da7a1fc89382bc124f84d9d8150c47db370ecd2ba9d57d80dc0a53eaea6d80f527a22cd6ab1be2b85172f18b840116f821684c7644c8e5f15e53b2d732e1ab
  • SSDEEP 98304:tWBHStoOEyvuShmCYhCahxI2vCcPUeybvRA5oFO9whPn:EBHSSOZuBC4Ct2vHcrbv18uhP
  • MD5 SHA1 SHA512 SSDEEP

  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

    Using powershell.exe command.

    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