Analysis

  • max time kernel
    96s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 04:02

General

  • Target

    c26861430d8dabfd4ad23d387928b14a269071468a33ff37f9a32638341972e3.exe

  • Size

    4.2MB

  • MD5

    c640a058cdfe8c320e2386c8d67382d1

  • SHA1

    e036827bcbbbaf67892aa19e2e1b1ffe5b83d2b8

  • SHA256

    c26861430d8dabfd4ad23d387928b14a269071468a33ff37f9a32638341972e3

  • SHA512

    1786e94fac2716976bbf7cb3b57a52ecaae45c3d55c07400123b3de64441d7bffd53b9de65cb510f288edbe800abdde2172dc79b1c7063d96b7135986ee9e1d1

  • SSDEEP

    98304:IyksB4edU4BV1uQpt7COs0TxlHqrIqo0uJd3x:Tv4eHB/x1W8qo0q

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\c26861430d8dabfd4ad23d387928b14a269071468a33ff37f9a32638341972e3.exe
    "C:\Users\Admin\AppData\Local\Temp\c26861430d8dabfd4ad23d387928b14a269071468a33ff37f9a32638341972e3.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:4812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4812-0-0x0000000000D70000-0x00000000019DD000-memory.dmp

    Filesize

    12.4MB

  • memory/4812-1-0x0000000076F34000-0x0000000076F36000-memory.dmp

    Filesize

    8KB

  • memory/4812-2-0x0000000000D71000-0x0000000000FF4000-memory.dmp

    Filesize

    2.5MB

  • memory/4812-3-0x0000000000D70000-0x00000000019DD000-memory.dmp

    Filesize

    12.4MB

  • memory/4812-4-0x0000000000D70000-0x00000000019DD000-memory.dmp

    Filesize

    12.4MB

  • memory/4812-5-0x0000000000D70000-0x00000000019DD000-memory.dmp

    Filesize

    12.4MB

  • memory/4812-6-0x0000000000D70000-0x00000000019DD000-memory.dmp

    Filesize

    12.4MB

  • memory/4812-7-0x0000000000D70000-0x00000000019DD000-memory.dmp

    Filesize

    12.4MB

  • memory/4812-8-0x0000000000D70000-0x00000000019DD000-memory.dmp

    Filesize

    12.4MB

  • memory/4812-9-0x0000000000D70000-0x00000000019DD000-memory.dmp

    Filesize

    12.4MB

  • memory/4812-10-0x0000000000D70000-0x00000000019DD000-memory.dmp

    Filesize

    12.4MB

  • memory/4812-11-0x0000000000D70000-0x00000000019DD000-memory.dmp

    Filesize

    12.4MB

  • memory/4812-12-0x0000000000D70000-0x00000000019DD000-memory.dmp

    Filesize

    12.4MB

  • memory/4812-13-0x0000000000D70000-0x00000000019DD000-memory.dmp

    Filesize

    12.4MB

  • memory/4812-14-0x0000000000D70000-0x00000000019DD000-memory.dmp

    Filesize

    12.4MB