Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2024 07:37

General

  • Target

    28dafbd5b274c30c0578e76ec956c109.exe

  • Size

    4.3MB

  • MD5

    28dafbd5b274c30c0578e76ec956c109

  • SHA1

    e43a71adb7f9ad93e65a00c175eb91d0b30507fe

  • SHA256

    326295c61c33a5e9bdd5d3d3e220f698ac13240093236c8f75d3eea7cf9d9206

  • SHA512

    1cb45668db2447c3afaa09812ef50e88a5e56e54f713969bf36b7edba215b9b69ca53c4c649624dcb758fa4b86473919aeba65e2d25dba7793b6ec96d9f01296

  • SSDEEP

    98304:W6azdY1py9HXIBUK1jNBppfS5VMwT1nDSfxHI84ln:W6qdYPNjNBppUMwTQZsl

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\28dafbd5b274c30c0578e76ec956c109.exe
    "C:\Users\Admin\AppData\Local\Temp\28dafbd5b274c30c0578e76ec956c109.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:4792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4792-0-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-1-0x0000000077584000-0x0000000077586000-memory.dmp

    Filesize

    8KB

  • memory/4792-2-0x00000000005E1000-0x000000000086B000-memory.dmp

    Filesize

    2.5MB

  • memory/4792-3-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-4-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-5-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-6-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-7-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-8-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-9-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-10-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-11-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-12-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-13-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-14-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-15-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-16-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-17-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-18-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-19-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-20-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB

  • memory/4792-21-0x00000000005E0000-0x000000000124C000-memory.dmp

    Filesize

    12.4MB