Analysis

  • max time kernel
    135s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 14:26

General

  • Target

    2453b4be7a014499138f1029edcbf013.exe

  • Size

    4.2MB

  • MD5

    2453b4be7a014499138f1029edcbf013

  • SHA1

    13087911bc9b06066f076d842b1ce8ac4688ac0c

  • SHA256

    9cec95210688605c2d91081c1d9fbd75ca55b8f028f658d402aa1d288293983d

  • SHA512

    838ef33c48f833759ce6f552728db4bdb567864612005535e0ebe81f2e71b85f74891b0c340ab5b1980bd0b63d1eac916784687cb3af5a4fffd88c3789094224

  • SSDEEP

    98304:UN+uD7A2mt3r4FKkfeap4VPS597W17xAHrC1yAswHx:UBA2mBbk14BKHC6

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\2453b4be7a014499138f1029edcbf013.exe
    "C:\Users\Admin\AppData\Local\Temp\2453b4be7a014499138f1029edcbf013.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:4940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4940-0-0x0000000000AA0000-0x0000000001709000-memory.dmp

    Filesize

    12.4MB

  • memory/4940-1-0x0000000077AF4000-0x0000000077AF6000-memory.dmp

    Filesize

    8KB

  • memory/4940-2-0x0000000000AA1000-0x0000000000D25000-memory.dmp

    Filesize

    2.5MB

  • memory/4940-3-0x0000000000AA0000-0x0000000001709000-memory.dmp

    Filesize

    12.4MB

  • memory/4940-4-0x0000000000AA0000-0x0000000001709000-memory.dmp

    Filesize

    12.4MB

  • memory/4940-5-0x0000000000AA0000-0x0000000001709000-memory.dmp

    Filesize

    12.4MB

  • memory/4940-6-0x0000000000AA0000-0x0000000001709000-memory.dmp

    Filesize

    12.4MB

  • memory/4940-7-0x0000000000AA0000-0x0000000001709000-memory.dmp

    Filesize

    12.4MB

  • memory/4940-8-0x0000000000AA0000-0x0000000001709000-memory.dmp

    Filesize

    12.4MB

  • memory/4940-9-0x0000000000AA0000-0x0000000001709000-memory.dmp

    Filesize

    12.4MB

  • memory/4940-10-0x0000000000AA0000-0x0000000001709000-memory.dmp

    Filesize

    12.4MB

  • memory/4940-11-0x0000000000AA0000-0x0000000001709000-memory.dmp

    Filesize

    12.4MB

  • memory/4940-12-0x0000000000AA0000-0x0000000001709000-memory.dmp

    Filesize

    12.4MB

  • memory/4940-13-0x0000000000AA0000-0x0000000001709000-memory.dmp

    Filesize

    12.4MB

  • memory/4940-14-0x0000000000AA0000-0x0000000001709000-memory.dmp

    Filesize

    12.4MB

  • memory/4940-15-0x0000000000AA0000-0x0000000001709000-memory.dmp

    Filesize

    12.4MB

  • memory/4940-16-0x0000000000AA0000-0x0000000001709000-memory.dmp

    Filesize

    12.4MB

  • memory/4940-17-0x0000000000AA0000-0x0000000001709000-memory.dmp

    Filesize

    12.4MB