General

  • Target

    c0fa3c59100f35ac8fcf45e2905bb274.exe

  • Size

    4.2MB

  • Sample

    241228-k3armaxpcr

  • MD5

    c0fa3c59100f35ac8fcf45e2905bb274

  • SHA1

    68511f15f8853e9c386943f9fb8bf82eb78d7b82

  • SHA256

    2d55c0295fd39fac3023f8a1e23a77dc5c5e9894cac08430a67151bc04b31151

  • SHA512

    349bb282594df0e21b67a287d484227e35a33da6fc8efe135ce83c97df3f1b9cfa693f23228a6a37ab2cc0971e02aef874847bd8817817f3891a271673f7d43a

  • SSDEEP

    98304:jQTr76WfxhRVDZZMj2rT+BwXaUPSIFIQZ24HKSi4W2yprOT:O6KxhpZMj2rJNSIaQk4H1W2e

Malware Config

Extracted

Family

cryptbot

Targets

    • Target

      c0fa3c59100f35ac8fcf45e2905bb274.exe

    • Size

      4.2MB

    • MD5

      c0fa3c59100f35ac8fcf45e2905bb274

    • SHA1

      68511f15f8853e9c386943f9fb8bf82eb78d7b82

    • SHA256

      2d55c0295fd39fac3023f8a1e23a77dc5c5e9894cac08430a67151bc04b31151

    • SHA512

      349bb282594df0e21b67a287d484227e35a33da6fc8efe135ce83c97df3f1b9cfa693f23228a6a37ab2cc0971e02aef874847bd8817817f3891a271673f7d43a

    • SSDEEP

      98304:jQTr76WfxhRVDZZMj2rT+BwXaUPSIFIQZ24HKSi4W2yprOT:O6KxhpZMj2rJNSIaQk4H1W2e

    • 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