Analysis

  • max time kernel
    148s
  • 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
    23-12-2024 06:58

General

  • Target

    fefa09b5a53dd37641a6eeae1b872182.exe

  • Size

    4.3MB

  • MD5

    fefa09b5a53dd37641a6eeae1b872182

  • SHA1

    6e195bce8987679a48d0991418819531fa984237

  • SHA256

    8e98928ea2d589ae5b2a2602e8d4891f567fcbb23dd4fcf5b2879a6cdf790cc5

  • SHA512

    d92496117fd6a325c3cb5dcaf40cc2d8b8a8cc08f929dd4b7696d50e6d4deeead72e66bef963ddcf1c63ecbaa032dd011592380d8a0f2e2561bcaf79e4d99b69

  • SSDEEP

    98304:x3kHBMc/SuLTiCUsBEkJFLFT7guh2kV8D:x3kHX/S+5xBEkJFLFT79h2B

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\fefa09b5a53dd37641a6eeae1b872182.exe
    "C:\Users\Admin\AppData\Local\Temp\fefa09b5a53dd37641a6eeae1b872182.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:3096

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3096-0-0x0000000000B30000-0x00000000017B0000-memory.dmp

    Filesize

    12.5MB

  • memory/3096-1-0x00000000778B4000-0x00000000778B6000-memory.dmp

    Filesize

    8KB

  • memory/3096-2-0x0000000000B31000-0x0000000000DBB000-memory.dmp

    Filesize

    2.5MB

  • memory/3096-3-0x0000000000B30000-0x00000000017B0000-memory.dmp

    Filesize

    12.5MB

  • memory/3096-4-0x0000000000B30000-0x00000000017B0000-memory.dmp

    Filesize

    12.5MB

  • memory/3096-5-0x0000000000B30000-0x00000000017B0000-memory.dmp

    Filesize

    12.5MB

  • memory/3096-6-0x0000000000B30000-0x00000000017B0000-memory.dmp

    Filesize

    12.5MB

  • memory/3096-7-0x0000000000B30000-0x00000000017B0000-memory.dmp

    Filesize

    12.5MB

  • memory/3096-8-0x0000000000B30000-0x00000000017B0000-memory.dmp

    Filesize

    12.5MB

  • memory/3096-9-0x0000000000B30000-0x00000000017B0000-memory.dmp

    Filesize

    12.5MB

  • memory/3096-10-0x0000000000B30000-0x00000000017B0000-memory.dmp

    Filesize

    12.5MB

  • memory/3096-11-0x0000000000B30000-0x00000000017B0000-memory.dmp

    Filesize

    12.5MB

  • memory/3096-12-0x0000000000B30000-0x00000000017B0000-memory.dmp

    Filesize

    12.5MB

  • memory/3096-13-0x0000000000B30000-0x00000000017B0000-memory.dmp

    Filesize

    12.5MB

  • memory/3096-14-0x0000000000B30000-0x00000000017B0000-memory.dmp

    Filesize

    12.5MB

  • memory/3096-15-0x0000000000B30000-0x00000000017B0000-memory.dmp

    Filesize

    12.5MB

  • memory/3096-16-0x0000000000B30000-0x00000000017B0000-memory.dmp

    Filesize

    12.5MB

  • memory/3096-17-0x0000000000B30000-0x00000000017B0000-memory.dmp

    Filesize

    12.5MB

  • memory/3096-18-0x0000000000B30000-0x00000000017B0000-memory.dmp

    Filesize

    12.5MB