General

  • Target

    81d19c557d31608a6be0d419928e30dca063c2a2bb909d03133c15d75f246e56.exe

  • Size

    4.3MB

  • Sample

    241228-c1b8nstqhz

  • MD5

    ed79b16c404fd4bdc0f3de692cc154ad

  • SHA1

    10404abae6c82c38676da0478af22103aaaefd56

  • SHA256

    81d19c557d31608a6be0d419928e30dca063c2a2bb909d03133c15d75f246e56

  • SHA512

    9547fdda3a7171b02263f911da08cefcebb8fa21d9abe77d5ccebbe26abd670f95b1b71f7052be4f5ba5d4a69fdbd134c45b0aa77b3a0e984a7f3aadb1a38b53

  • SSDEEP

    98304:dP1o+IPtkJMrlapSlM7hF+SLTXcBTWxyFl:dWcMrQS8F+gTUT

Malware Config

Extracted

Family

cryptbot

Targets

    • Target

      81d19c557d31608a6be0d419928e30dca063c2a2bb909d03133c15d75f246e56.exe

    • Size

      4.3MB

    • MD5

      ed79b16c404fd4bdc0f3de692cc154ad

    • SHA1

      10404abae6c82c38676da0478af22103aaaefd56

    • SHA256

      81d19c557d31608a6be0d419928e30dca063c2a2bb909d03133c15d75f246e56

    • SHA512

      9547fdda3a7171b02263f911da08cefcebb8fa21d9abe77d5ccebbe26abd670f95b1b71f7052be4f5ba5d4a69fdbd134c45b0aa77b3a0e984a7f3aadb1a38b53

    • SSDEEP

      98304:dP1o+IPtkJMrlapSlM7hF+SLTXcBTWxyFl:dWcMrQS8F+gTUT

    • 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