Analysis

  • max time kernel
    82s
  • max time network
    88s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 07:19

General

  • Target

    8cd346fc831e7d59ebab0de045018b84.exe

  • Size

    4.3MB

  • MD5

    8cd346fc831e7d59ebab0de045018b84

  • SHA1

    65ecbe74b5e512c9b00dbb0d041ac1f812f3cbb5

  • SHA256

    ca2b0a34c077e6e81cde2626da1aca4de3f52190747d4f66636a0a8397e158c5

  • SHA512

    6708a808b9300845e5852f25a380abf1ce807d96695256793c7a80ebc08307f21a6ba38bc0d73c2897c46ad2828f80717ad2f79c585c658324c7b887bf797912

  • SSDEEP

    98304:HYd0UZJxaPAlwK5/4ZGpF1NfrV/qHFAUrIYkO7lVT7T:HYZJOxK5wZGJNp/gAfYln

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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8cd346fc831e7d59ebab0de045018b84.exe
    "C:\Users\Admin\AppData\Local\Temp\8cd346fc831e7d59ebab0de045018b84.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:2484

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2484-0-0x0000000000B50000-0x00000000016BE000-memory.dmp

    Filesize

    11.4MB

  • memory/2484-1-0x0000000077150000-0x0000000077152000-memory.dmp

    Filesize

    8KB

  • memory/2484-2-0x0000000000B51000-0x0000000000DD5000-memory.dmp

    Filesize

    2.5MB

  • memory/2484-3-0x0000000000B50000-0x00000000016BE000-memory.dmp

    Filesize

    11.4MB

  • memory/2484-4-0x0000000000B50000-0x00000000016BE000-memory.dmp

    Filesize

    11.4MB

  • memory/2484-5-0x0000000000B50000-0x00000000016BE000-memory.dmp

    Filesize

    11.4MB

  • memory/2484-6-0x0000000000B50000-0x00000000016BE000-memory.dmp

    Filesize

    11.4MB

  • memory/2484-7-0x0000000000B50000-0x00000000016BE000-memory.dmp

    Filesize

    11.4MB

  • memory/2484-9-0x0000000000B50000-0x00000000016BE000-memory.dmp

    Filesize

    11.4MB

  • memory/2484-10-0x0000000000B50000-0x00000000016BE000-memory.dmp

    Filesize

    11.4MB

  • memory/2484-11-0x0000000000B50000-0x00000000016BE000-memory.dmp

    Filesize

    11.4MB

  • memory/2484-12-0x0000000000B50000-0x00000000016BE000-memory.dmp

    Filesize

    11.4MB

  • memory/2484-13-0x0000000000B50000-0x00000000016BE000-memory.dmp

    Filesize

    11.4MB

  • memory/2484-14-0x0000000000B50000-0x00000000016BE000-memory.dmp

    Filesize

    11.4MB

  • memory/2484-15-0x0000000000B50000-0x00000000016BE000-memory.dmp

    Filesize

    11.4MB

  • memory/2484-16-0x0000000000B50000-0x00000000016BE000-memory.dmp

    Filesize

    11.4MB

  • memory/2484-17-0x0000000000B50000-0x00000000016BE000-memory.dmp

    Filesize

    11.4MB

  • memory/2484-18-0x0000000000B50000-0x00000000016BE000-memory.dmp

    Filesize

    11.4MB