General

  • Target

    308b5cef77c672f677d2245307116688.bin

  • Size

    4.2MB

  • Sample

    241222-bk8fhaxmen

  • MD5

    3edcd6113029b63a332ece95b537f741

  • SHA1

    31151065fe44fd4de1b4b5ede8dad76c1d1c3956

  • SHA256

    eb44fa63c8e731ef031181d1df2e911f55ff7e31e00a4020358906c9ea9e5f0a

  • SHA512

    7a66c17b285d509bf70c2a44cffa8f298a166123ec3158c347730597ca43a7deee7451dd5981a9cf9aa9e59c7ca2dd3d6d08b253a681b947b7e2bd8a4b57f73d

  • SSDEEP

    98304:vJb8OnnlSnP2RCZgtpqbue2sR1+ZwaXyz0TaGv2mCxlHR7L4:vNHnnlSnP22w6mPXyzA3dCxhRY

Malware Config

Extracted

Family

cryptbot

Targets

    • Target

      5c6029db1e5fd370a90763ce8f2f2ab02a4188c4f82e342a7dca9fcba555156f.exe

    • Size

      4.2MB

    • MD5

      308b5cef77c672f677d2245307116688

    • SHA1

      7c71404394a0f8cc5db7e045b1397211fd5ccf8c

    • SHA256

      5c6029db1e5fd370a90763ce8f2f2ab02a4188c4f82e342a7dca9fcba555156f

    • SHA512

      f0769aa004fc0767adb29dde125d2c234bdfa04fa7386fc5838ed3d114ac108cb803a752a75cfe3c9e107db5d27f39e96986cfc80b24dab9fd244c29ad2931cc

    • SSDEEP

      98304:g/UQRVyBPZZS4iRflYW4hceyGKOBenMcNCYH:g/UQR4044ltUceyhOEn3LH

    • CryptBot

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

    • Cryptbot family

    • Enumerates VirtualBox registry keys

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

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

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

    • 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