Analysis

  • max time kernel
    92s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 02:20

General

  • Target

    326b4baf6fa1e77ba3bf069e185ef94a8e718724462a47141702266dcd16ae77.exe

  • Size

    4.3MB

  • MD5

    e6ad9ba6b212c2a1599af444f00a2196

  • SHA1

    1867794e4eea370d8823934a3b01d5a3a685c409

  • SHA256

    326b4baf6fa1e77ba3bf069e185ef94a8e718724462a47141702266dcd16ae77

  • SHA512

    9684ebb928283289e192260b5ad00f633c5ff9876a45e6a4b3a84bc52e355c0a6343ef4424d3247d27cf9aca32021dc3d5f34b4eb681c698e8c84eca2f512a61

  • SSDEEP

    98304:m1k+271VyKdXY+GmDuu/AdMPcCy9f9GY+r6ZL/:m1WNXHGmUdMPxyNIY+k

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\326b4baf6fa1e77ba3bf069e185ef94a8e718724462a47141702266dcd16ae77.exe
    "C:\Users\Admin\AppData\Local\Temp\326b4baf6fa1e77ba3bf069e185ef94a8e718724462a47141702266dcd16ae77.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:684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/684-0-0x00000000002B0000-0x0000000000F31000-memory.dmp

    Filesize

    12.5MB

  • memory/684-1-0x0000000077294000-0x0000000077296000-memory.dmp

    Filesize

    8KB

  • memory/684-2-0x00000000002B1000-0x0000000000534000-memory.dmp

    Filesize

    2.5MB

  • memory/684-3-0x00000000002B0000-0x0000000000F31000-memory.dmp

    Filesize

    12.5MB

  • memory/684-4-0x00000000002B0000-0x0000000000F31000-memory.dmp

    Filesize

    12.5MB

  • memory/684-5-0x00000000002B0000-0x0000000000F31000-memory.dmp

    Filesize

    12.5MB

  • memory/684-6-0x00000000002B0000-0x0000000000F31000-memory.dmp

    Filesize

    12.5MB

  • memory/684-7-0x00000000002B0000-0x0000000000F31000-memory.dmp

    Filesize

    12.5MB

  • memory/684-8-0x00000000002B0000-0x0000000000F31000-memory.dmp

    Filesize

    12.5MB

  • memory/684-9-0x00000000002B0000-0x0000000000F31000-memory.dmp

    Filesize

    12.5MB

  • memory/684-10-0x00000000002B0000-0x0000000000F31000-memory.dmp

    Filesize

    12.5MB

  • memory/684-11-0x00000000002B0000-0x0000000000F31000-memory.dmp

    Filesize

    12.5MB

  • memory/684-12-0x00000000002B0000-0x0000000000F31000-memory.dmp

    Filesize

    12.5MB

  • memory/684-13-0x00000000002B0000-0x0000000000F31000-memory.dmp

    Filesize

    12.5MB