General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241123-dz6xbstkdm

  • MD5

    d0c3d4568b6684933fd3bb8302cf9438

  • SHA1

    8009636db9d31f53142794c07689ac3e25a2bd9c

  • SHA256

    c4abb786f92d0ba4d99ef315bf29295b80fb292007de373891705d28aa10be97

  • SHA512

    621d0f9767cfea0457fe11c0aee0493183e6743e649389c69fdc87df8456619f151de6f7974a460e0edf1badd6c1811ab27df6ccf15d455f073e9ef09a0ef6ff

  • SSDEEP

    98304:reo26wlugC/FULu+FbmAqBYnuCKdagRhoxjoMhOSpaBOFQk2Cq:reh6SwUL3aAXnn01RCx8SXyOFQk2C

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      d0c3d4568b6684933fd3bb8302cf9438

    • SHA1

      8009636db9d31f53142794c07689ac3e25a2bd9c

    • SHA256

      c4abb786f92d0ba4d99ef315bf29295b80fb292007de373891705d28aa10be97

    • SHA512

      621d0f9767cfea0457fe11c0aee0493183e6743e649389c69fdc87df8456619f151de6f7974a460e0edf1badd6c1811ab27df6ccf15d455f073e9ef09a0ef6ff

    • SSDEEP

      98304:reo26wlugC/FULu+FbmAqBYnuCKdagRhoxjoMhOSpaBOFQk2Cq:reh6SwUL3aAXnn01RCx8SXyOFQk2C

    • CryptBot

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

    • Cryptbot family

    • Detects CryptBot payload

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

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks