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General

  • Target

    95b7a961a634c972681d935cf4f78150c0e2f0d962daa3daf59c3fd3af714db2

  • Size

    3.8MB

  • Sample

    250215-ynrngs1pdr

  • MD5

    3db1c66a1e51f7c1e258b1c12205a435

  • SHA1

    98e24a9ea6e7c38a95543c89a037c7f3f7b1591c

  • SHA256

    95b7a961a634c972681d935cf4f78150c0e2f0d962daa3daf59c3fd3af714db2

  • SHA512

    7bec8f484f8f047d84d6f703853a56cbffa061ab22813e9449fa78382a88d9f42a27eb1f999e1e7ab30597afb49e2ff5c23f65654c4584fc75d1c2835607a407

  • SSDEEP

    98304:ZsFwe8EuILKpQN0d7aePKtGBz/smtrm+2f/VSnGIm+LR4ZzK:FEoO01aFGBz/sYK+2fIGImy

Malware Config

Extracted

Family

cryptbot

C2

http://home.elvnjj1sr.top/pekvtmslVrBVfMWtJqVA17

Targets

    • Target

      95b7a961a634c972681d935cf4f78150c0e2f0d962daa3daf59c3fd3af714db2

    • Size

      3.8MB

    • MD5

      3db1c66a1e51f7c1e258b1c12205a435

    • SHA1

      98e24a9ea6e7c38a95543c89a037c7f3f7b1591c

    • SHA256

      95b7a961a634c972681d935cf4f78150c0e2f0d962daa3daf59c3fd3af714db2

    • SHA512

      7bec8f484f8f047d84d6f703853a56cbffa061ab22813e9449fa78382a88d9f42a27eb1f999e1e7ab30597afb49e2ff5c23f65654c4584fc75d1c2835607a407

    • SSDEEP

      98304:ZsFwe8EuILKpQN0d7aePKtGBz/smtrm+2f/VSnGIm+LR4ZzK:FEoO01aFGBz/sYK+2fIGImy

    • 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.

    • Downloads MZ/PE file

    • 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