Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 06:54

General

  • Target

    083ab041d543588b128c08732eb1a935.exe

  • Size

    4.3MB

  • MD5

    083ab041d543588b128c08732eb1a935

  • SHA1

    2aab4765f9b00521a5d79764bf61d1c95a8a07c7

  • SHA256

    6db4256ed69b6154cfbb1456b8b69154e50e6446a04874c0d4824ecaa36c76a3

  • SHA512

    16bab58b6f485f6feb0fa1bbd453a08c055e47f46830d60f05371cc0181c3950beb596b691821374cb436a7ced52a186a1fed33ef121700de8a19714f4181997

  • SSDEEP

    98304:5PEiM/Q6GkeYfV8obRLIWhrbFFUkIilbqeHNEl8DSOr6w/:5PEiM/Q6Gke6e2LI6LKl8DSOe

Malware Config

Extracted

Family

cryptbot

C2

http://home.fivetk5vt.top/hLfzXsaqNtoEGyaUtOMJ1734

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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\083ab041d543588b128c08732eb1a935.exe
    "C:\Users\Admin\AppData\Local\Temp\083ab041d543588b128c08732eb1a935.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:2376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2376-0-0x0000000000910000-0x00000000014F9000-memory.dmp

    Filesize

    11.9MB

  • memory/2376-1-0x0000000077990000-0x0000000077992000-memory.dmp

    Filesize

    8KB

  • memory/2376-2-0x0000000000911000-0x0000000000B96000-memory.dmp

    Filesize

    2.5MB

  • memory/2376-3-0x0000000000910000-0x00000000014F9000-memory.dmp

    Filesize

    11.9MB

  • memory/2376-4-0x0000000000910000-0x00000000014F9000-memory.dmp

    Filesize

    11.9MB

  • memory/2376-5-0x0000000000910000-0x00000000014F9000-memory.dmp

    Filesize

    11.9MB

  • memory/2376-6-0x0000000000910000-0x00000000014F9000-memory.dmp

    Filesize

    11.9MB

  • memory/2376-7-0x0000000000910000-0x00000000014F9000-memory.dmp

    Filesize

    11.9MB

  • memory/2376-8-0x0000000000910000-0x00000000014F9000-memory.dmp

    Filesize

    11.9MB

  • memory/2376-9-0x0000000000910000-0x00000000014F9000-memory.dmp

    Filesize

    11.9MB

  • memory/2376-10-0x0000000000910000-0x00000000014F9000-memory.dmp

    Filesize

    11.9MB

  • memory/2376-11-0x0000000000910000-0x00000000014F9000-memory.dmp

    Filesize

    11.9MB

  • memory/2376-12-0x0000000000910000-0x00000000014F9000-memory.dmp

    Filesize

    11.9MB

  • memory/2376-13-0x0000000000910000-0x00000000014F9000-memory.dmp

    Filesize

    11.9MB

  • memory/2376-14-0x0000000000910000-0x00000000014F9000-memory.dmp

    Filesize

    11.9MB

  • memory/2376-16-0x0000000000910000-0x00000000014F9000-memory.dmp

    Filesize

    11.9MB