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Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2024, 15:39

General

  • Target

    1cb9dac5b773bbc64a3bfd8a495ce2a338dfd0640ef3bccd760a11a8d30e0adf.exe

  • Size

    4.2MB

  • MD5

    29ac3c8ddb55a6bdc7f59d25280f00e2

  • SHA1

    d954ab609cbd3feee0968a11576d81adb5bcb13d

  • SHA256

    1cb9dac5b773bbc64a3bfd8a495ce2a338dfd0640ef3bccd760a11a8d30e0adf

  • SHA512

    42b3504a8f5f0eb671b98adccc03751144e771a779ab9c54498065a7ff42f88558169fc3035ecc67c39ab1904881fec09d0d3a26bc10ce03b8e18fbfdbf521db

  • SSDEEP

    98304:hhzaJcy1bQO+r87UoBsXUYDNmXvApno1xXa2cMNWei/BR9szxtAh5:hla7T+IoWkUogBaMOjctAj

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\1cb9dac5b773bbc64a3bfd8a495ce2a338dfd0640ef3bccd760a11a8d30e0adf.exe
    "C:\Users\Admin\AppData\Local\Temp\1cb9dac5b773bbc64a3bfd8a495ce2a338dfd0640ef3bccd760a11a8d30e0adf.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:4596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4596-0-0x00000000002E0000-0x0000000000F9A000-memory.dmp

    Filesize

    12.7MB

  • memory/4596-1-0x00000000771A4000-0x00000000771A6000-memory.dmp

    Filesize

    8KB

  • memory/4596-2-0x00000000002E1000-0x0000000000565000-memory.dmp

    Filesize

    2.5MB

  • memory/4596-3-0x00000000002E0000-0x0000000000F9A000-memory.dmp

    Filesize

    12.7MB

  • memory/4596-4-0x00000000002E0000-0x0000000000F9A000-memory.dmp

    Filesize

    12.7MB

  • memory/4596-5-0x00000000002E0000-0x0000000000F9A000-memory.dmp

    Filesize

    12.7MB

  • memory/4596-6-0x00000000002E0000-0x0000000000F9A000-memory.dmp

    Filesize

    12.7MB

  • memory/4596-7-0x00000000002E0000-0x0000000000F9A000-memory.dmp

    Filesize

    12.7MB

  • memory/4596-8-0x00000000002E0000-0x0000000000F9A000-memory.dmp

    Filesize

    12.7MB

  • memory/4596-9-0x00000000002E0000-0x0000000000F9A000-memory.dmp

    Filesize

    12.7MB

  • memory/4596-10-0x00000000002E0000-0x0000000000F9A000-memory.dmp

    Filesize

    12.7MB

  • memory/4596-11-0x00000000002E0000-0x0000000000F9A000-memory.dmp

    Filesize

    12.7MB