General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241113-qwsxhswmbl

  • MD5

    94b60bd275ec39f3ad8b9030941ac33e

  • SHA1

    5039074352bb79df6728ea5fb7ed226efe79a23f

  • SHA256

    a1b9bf43e9488615465150e648fa594e98c21114214456696626d82439c05345

  • SHA512

    f514d9b21063ea52711b5ba4e649f7b3bd47c09a2d1ab9f1f59cd1eb9aad74bc042b0f40c884ae7cb2e63c51b7fca720c15d20b632cb3385f1a1f0d51dfb0baf

  • SSDEEP

    98304:9R3BeHXSW7VBA0bU7qaTP0U7EjIrLsoweuVHysgYFjrioHWXq0:9neiWI0Y8KEAsDe8HFg0Leq

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      94b60bd275ec39f3ad8b9030941ac33e

    • SHA1

      5039074352bb79df6728ea5fb7ed226efe79a23f

    • SHA256

      a1b9bf43e9488615465150e648fa594e98c21114214456696626d82439c05345

    • SHA512

      f514d9b21063ea52711b5ba4e649f7b3bd47c09a2d1ab9f1f59cd1eb9aad74bc042b0f40c884ae7cb2e63c51b7fca720c15d20b632cb3385f1a1f0d51dfb0baf

    • SSDEEP

      98304:9R3BeHXSW7VBA0bU7qaTP0U7EjIrLsoweuVHysgYFjrioHWXq0:9neiWI0Y8KEAsDe8HFg0Leq

    • 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