Extracted

• • Target
    a377c1c13801481e8dcc3c8a30c3df070ad73b9983e8c4fe85c058ac9034ee37.exe
  • Size 4.3MB
  • SHA256 a377c1c13801481e8dcc3c8a30c3df070ad73b9983e8c4fe85c058ac9034ee37
  • MD5 898a94f29edc228ce3bd2054f3d5d6dd
  • SHA1 f2b5d32ca5520f35a738ef1ccbbf5fb2160bfbc5
  • SHA512 8a7ee18864b118bd165b9f97aad3d188cd51985180feedf5c32c2f5acd6d427f05b7e6077a9c0c405bd152a203086203aa306db802e13f917c04040c4b789eae
  • SSDEEP 49152:ENPuAcWILneTm53Oln3Gl1iy92HEs/sFZ583oMLmUZ8hXyaSvgIsR1SB:ENP0WILeTm5+l2lb40r5837L8iVvIvQ
  • MD5 SHA1 SHA512 SSDEEP

  Score

  10^/10

  dcratumbralevasioninfostealerratstealerexecutionspyware

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    ratinfostealerdcrat

  • Detect Umbral payload

  • Process spawned unexpected child process

    This typically indicates the parent process was compromised via an exploit or macro.

  • Umbral

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

    stealerumbral

  • DCRat payload

    Detects payload of DCRat, commonly dropped by NSIS installers.

    rat

  • Detects executables attemping to enumerate video devices using WMI

  • Detects executables containing possible sandbox analysis VM names

  • Detects executables containing possible sandbox analysis VM usernames

  • Detects executables containing possible sandbox system UUIDs

  • Detects executables packed with SmartAssembly

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Disables Task Manager via registry modification

    evasion

  • 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 web browsers

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

    spywarestealer

  • 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.

  behavioral1behavioral2