Analysis

  • max time kernel
    93s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 08:41

General

  • Target

    724c47eb0c466e28d03fdbbeab283448.exe

  • Size

    4.2MB

  • MD5

    724c47eb0c466e28d03fdbbeab283448

  • SHA1

    db4ab5dedfe960b259323c49d31b5cf6a2f68c9c

  • SHA256

    f822440531c2c4690bcc6c52d4baaea3e56ca9008726cfe55c123931d27f545f

  • SHA512

    6d3059018a7b8ad358002d15de71439af3db6107396a9845e18aa7c3f9e67faa5285e1c87788b62b9ddeda24b0432c7b28432e03b6bb138b25cc9080a5347009

  • SSDEEP

    98304:fvikcoErkd+Atd63J0jzPGg4ZbGD3M3qseTUoZ7eU:fqF7K+c2mzug9zMQTUC7eU

Malware Config

Extracted

Family

cryptbot

Signatures

  • CryptBot

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

  • Cryptbot family
  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\724c47eb0c466e28d03fdbbeab283448.exe
    "C:\Users\Admin\AppData\Local\Temp\724c47eb0c466e28d03fdbbeab283448.exe"
    1⤵
    • Enumerates VirtualBox registry keys
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:4280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4280-0-0x00000000009A0000-0x0000000001608000-memory.dmp

    Filesize

    12.4MB

  • memory/4280-1-0x0000000077A24000-0x0000000077A26000-memory.dmp

    Filesize

    8KB

  • memory/4280-2-0x00000000009A1000-0x0000000000C24000-memory.dmp

    Filesize

    2.5MB

  • memory/4280-3-0x00000000009A0000-0x0000000001608000-memory.dmp

    Filesize

    12.4MB

  • memory/4280-4-0x00000000009A0000-0x0000000001608000-memory.dmp

    Filesize

    12.4MB

  • memory/4280-5-0x00000000009A0000-0x0000000001608000-memory.dmp

    Filesize

    12.4MB

  • memory/4280-6-0x00000000009A0000-0x0000000001608000-memory.dmp

    Filesize

    12.4MB

  • memory/4280-7-0x00000000009A0000-0x0000000001608000-memory.dmp

    Filesize

    12.4MB

  • memory/4280-8-0x00000000009A0000-0x0000000001608000-memory.dmp

    Filesize

    12.4MB

  • memory/4280-9-0x00000000009A0000-0x0000000001608000-memory.dmp

    Filesize

    12.4MB

  • memory/4280-10-0x00000000009A0000-0x0000000001608000-memory.dmp

    Filesize

    12.4MB

  • memory/4280-11-0x00000000009A0000-0x0000000001608000-memory.dmp

    Filesize

    12.4MB

  • memory/4280-12-0x00000000009A0000-0x0000000001608000-memory.dmp

    Filesize

    12.4MB

  • memory/4280-13-0x00000000009A0000-0x0000000001608000-memory.dmp

    Filesize

    12.4MB

  • memory/4280-14-0x00000000009A0000-0x0000000001608000-memory.dmp

    Filesize

    12.4MB