General

  • Target

    37f98020a18c5349391aa444259fbe0e33133b612ea1a52612415a484e761064

  • Size

    3.8MB

  • Sample

    250211-wn4xpsvqds

  • MD5

    1e9f66938dc65ea07276d1eb137ab047

  • SHA1

    c9d9c8d5069af1689668157fc178bfa947469b97

  • SHA256

    37f98020a18c5349391aa444259fbe0e33133b612ea1a52612415a484e761064

  • SHA512

    00a217e5ce5a9ce4748054dbe82d887a67083f369c59341b9c5459402b871e4180f1455c5197408ea76989dc8e809157cc7c36ead3813048f6313ad226537d81

  • SSDEEP

    98304:Zspwe8EJfdMgg3akDFJBXy2vRfcSpwxzYs7kjhn/JU:zEJfOhqI+2ZU0IBkjhnRU

Malware Config

Extracted

Family

cryptbot

C2

http://home.elvnuuu11pn.top/ulvJaKQlXazlgWxqjbuu04

Targets

    • Target

      37f98020a18c5349391aa444259fbe0e33133b612ea1a52612415a484e761064

    • Size

      3.8MB

    • MD5

      1e9f66938dc65ea07276d1eb137ab047

    • SHA1

      c9d9c8d5069af1689668157fc178bfa947469b97

    • SHA256

      37f98020a18c5349391aa444259fbe0e33133b612ea1a52612415a484e761064

    • SHA512

      00a217e5ce5a9ce4748054dbe82d887a67083f369c59341b9c5459402b871e4180f1455c5197408ea76989dc8e809157cc7c36ead3813048f6313ad226537d81

    • SSDEEP

      98304:Zspwe8EJfdMgg3akDFJBXy2vRfcSpwxzYs7kjhn/JU:zEJfOhqI+2ZU0IBkjhnRU

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Enumerates VirtualBox registry keys

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks