General

  • Target

    15132d20fdd894d09f23b8e7bdaf49736a0191a230a24141c63000d4b43ca72a.exe

  • Size

    4.2MB

  • Sample

    241126-ck2tdsylgt

  • MD5

    2b0c7447e2568d3a7de91ecd14787204

  • SHA1

    658b8b86bd1f906cf2e30675f8fe7de8b350fb79

  • SHA256

    15132d20fdd894d09f23b8e7bdaf49736a0191a230a24141c63000d4b43ca72a

  • SHA512

    b24c2337c69573c9d772b75512f40fa7baece45ad3de2cbdb9bcf2649056de583bc4245f1b06baf6e8ae7be1cc024a9578fe11874b52f352b9db5ad7803cb73d

  • SSDEEP

    98304:Ia+LOX0GMom1cDz+S+yaRKtno+IWrxQI8hw2fAYDk1pL:7+FgeS8RKW+IWeI8JfAYA1pL

Malware Config

Targets

    • Target

      15132d20fdd894d09f23b8e7bdaf49736a0191a230a24141c63000d4b43ca72a.exe

    • Size

      4.2MB

    • MD5

      2b0c7447e2568d3a7de91ecd14787204

    • SHA1

      658b8b86bd1f906cf2e30675f8fe7de8b350fb79

    • SHA256

      15132d20fdd894d09f23b8e7bdaf49736a0191a230a24141c63000d4b43ca72a

    • SHA512

      b24c2337c69573c9d772b75512f40fa7baece45ad3de2cbdb9bcf2649056de583bc4245f1b06baf6e8ae7be1cc024a9578fe11874b52f352b9db5ad7803cb73d

    • SSDEEP

      98304:Ia+LOX0GMom1cDz+S+yaRKtno+IWrxQI8hw2fAYDk1pL:7+FgeS8RKW+IWeI8JfAYA1pL

    • 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