Analysis

  • max time kernel
    95s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 03:05

General

  • Target

    67b9d9255af3bad550cfa7c8b1a382c2d31c039a2b012e2460f85d9556716477.exe

  • Size

    4.2MB

  • MD5

    42e46ac1d7643cd42ca0968bfbb9431a

  • SHA1

    b2c838088e8c80939b27beda663e2a0e1900d8fe

  • SHA256

    67b9d9255af3bad550cfa7c8b1a382c2d31c039a2b012e2460f85d9556716477

  • SHA512

    f6ddedeabec8e4459330abde1838b93da7f387eaf518b4caa731d90d54e4ed355a699dc4feeeeff79d3855e57778ec8e2eb7f75b851e258072eb41a1ad4ccc10

  • SSDEEP

    98304:oKlXuTCyDQgJ5HzMKO1M0yODzk1mp1xJlQEY6UaAM1h:flXuTCEfJ5ThO1MQzcmp1rlPAM1

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\67b9d9255af3bad550cfa7c8b1a382c2d31c039a2b012e2460f85d9556716477.exe
    "C:\Users\Admin\AppData\Local\Temp\67b9d9255af3bad550cfa7c8b1a382c2d31c039a2b012e2460f85d9556716477.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:1948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1948-0-0x00000000000A0000-0x0000000000BE8000-memory.dmp

    Filesize

    11.3MB

  • memory/1948-1-0x0000000077504000-0x0000000077506000-memory.dmp

    Filesize

    8KB

  • memory/1948-2-0x00000000000A1000-0x0000000000325000-memory.dmp

    Filesize

    2.5MB

  • memory/1948-3-0x00000000000A0000-0x0000000000BE8000-memory.dmp

    Filesize

    11.3MB

  • memory/1948-4-0x00000000000A0000-0x0000000000BE8000-memory.dmp

    Filesize

    11.3MB

  • memory/1948-5-0x00000000000A0000-0x0000000000BE8000-memory.dmp

    Filesize

    11.3MB

  • memory/1948-6-0x00000000000A0000-0x0000000000BE8000-memory.dmp

    Filesize

    11.3MB

  • memory/1948-7-0x00000000000A0000-0x0000000000BE8000-memory.dmp

    Filesize

    11.3MB

  • memory/1948-8-0x00000000000A0000-0x0000000000BE8000-memory.dmp

    Filesize

    11.3MB

  • memory/1948-9-0x00000000000A0000-0x0000000000BE8000-memory.dmp

    Filesize

    11.3MB

  • memory/1948-10-0x00000000000A0000-0x0000000000BE8000-memory.dmp

    Filesize

    11.3MB

  • memory/1948-11-0x00000000000A0000-0x0000000000BE8000-memory.dmp

    Filesize

    11.3MB

  • memory/1948-12-0x00000000000A0000-0x0000000000BE8000-memory.dmp

    Filesize

    11.3MB

  • memory/1948-13-0x00000000000A0000-0x0000000000BE8000-memory.dmp

    Filesize

    11.3MB

  • memory/1948-14-0x00000000000A0000-0x0000000000BE8000-memory.dmp

    Filesize

    11.3MB