Analysis

  • max time kernel
    95s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-12-2024 08:30

General

  • Target

    9a9a0a2d9375d6f207af97df95e0762f.exe

  • Size

    4.3MB

  • MD5

    9a9a0a2d9375d6f207af97df95e0762f

  • SHA1

    0c7a9c093c2e1c68c77582e5f7acab8fc10505f3

  • SHA256

    77953741b91b2deef3dc7e168cf072cda89e92a60ca0ee82c37a4bbb4d4d0abf

  • SHA512

    048ce614023621feda7e765b9d5ac4a49cd3f55cce4c56d827e96abb521a66e0c59a9bae9e521e8144be04d2f0c0fc2f5e55a214405d516630a4422018873c01

  • SSDEEP

    98304:fFaMLDBg4+I5t3ZNXGRCoQSL9/g7wqwEdbnFUp:fPLDBgGFPXux/g7wnEd7FU

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\9a9a0a2d9375d6f207af97df95e0762f.exe
    "C:\Users\Admin\AppData\Local\Temp\9a9a0a2d9375d6f207af97df95e0762f.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:3088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3088-0-0x00000000008A0000-0x00000000014CA000-memory.dmp

    Filesize

    12.2MB

  • memory/3088-1-0x0000000077564000-0x0000000077566000-memory.dmp

    Filesize

    8KB

  • memory/3088-2-0x00000000008A1000-0x0000000000B2A000-memory.dmp

    Filesize

    2.5MB

  • memory/3088-3-0x00000000008A0000-0x00000000014CA000-memory.dmp

    Filesize

    12.2MB

  • memory/3088-4-0x00000000008A0000-0x00000000014CA000-memory.dmp

    Filesize

    12.2MB

  • memory/3088-5-0x00000000008A0000-0x00000000014CA000-memory.dmp

    Filesize

    12.2MB

  • memory/3088-6-0x00000000008A0000-0x00000000014CA000-memory.dmp

    Filesize

    12.2MB

  • memory/3088-7-0x00000000008A0000-0x00000000014CA000-memory.dmp

    Filesize

    12.2MB

  • memory/3088-8-0x00000000008A0000-0x00000000014CA000-memory.dmp

    Filesize

    12.2MB

  • memory/3088-9-0x00000000008A0000-0x00000000014CA000-memory.dmp

    Filesize

    12.2MB

  • memory/3088-10-0x00000000008A0000-0x00000000014CA000-memory.dmp

    Filesize

    12.2MB

  • memory/3088-11-0x00000000008A0000-0x00000000014CA000-memory.dmp

    Filesize

    12.2MB

  • memory/3088-12-0x00000000008A0000-0x00000000014CA000-memory.dmp

    Filesize

    12.2MB

  • memory/3088-13-0x00000000008A0000-0x00000000014CA000-memory.dmp

    Filesize

    12.2MB

  • memory/3088-15-0x00000000008A0000-0x00000000014CA000-memory.dmp

    Filesize

    12.2MB