Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 11:48

General

  • Target

    file.exe

  • Size

    4.3MB

  • MD5

    cdee2aadc9a1d83264d60129891ca8c7

  • SHA1

    2ffc082892de4d483f53791ef35d5bc45dc96dcd

  • SHA256

    74211c92533f725825f0d2c05815b44d8b89c370a202007b46d3b09c5ef19ec9

  • SHA512

    a6280b9759fb1764ea8b755c9f2beb0cad450a273e2d7bfc38b374a4ca7da3bc7ccb84b74e2fdf39d23dd4f5713a84364386f8e8877b44b9de625543812cf35f

  • SSDEEP

    98304:b16yNMldzSUcQ1zMr+zfXEbwgAAghK6YPXN3Q/K6zUp+3Jx0:b16yGPlzMr4U8/kX9Qi6zY

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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.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:1644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1644-0-0x0000000000C70000-0x000000000193B000-memory.dmp

    Filesize

    12.8MB

  • memory/1644-1-0x0000000000C70000-0x000000000193B000-memory.dmp

    Filesize

    12.8MB

  • memory/1644-2-0x0000000000C70000-0x000000000193B000-memory.dmp

    Filesize

    12.8MB

  • memory/1644-3-0x0000000000C70000-0x000000000193B000-memory.dmp

    Filesize

    12.8MB

  • memory/1644-4-0x0000000000C70000-0x000000000193B000-memory.dmp

    Filesize

    12.8MB

  • memory/1644-5-0x0000000000C70000-0x000000000193B000-memory.dmp

    Filesize

    12.8MB

  • memory/1644-6-0x0000000000C70000-0x000000000193B000-memory.dmp

    Filesize

    12.8MB

  • memory/1644-7-0x0000000000C70000-0x000000000193B000-memory.dmp

    Filesize

    12.8MB

  • memory/1644-8-0x0000000000C70000-0x000000000193B000-memory.dmp

    Filesize

    12.8MB

  • memory/1644-9-0x0000000000C70000-0x000000000193B000-memory.dmp

    Filesize

    12.8MB

  • memory/1644-10-0x0000000000C70000-0x000000000193B000-memory.dmp

    Filesize

    12.8MB

  • memory/1644-11-0x0000000000C70000-0x000000000193B000-memory.dmp

    Filesize

    12.8MB

  • memory/1644-12-0x0000000000C70000-0x000000000193B000-memory.dmp

    Filesize

    12.8MB

  • memory/1644-13-0x0000000000C70000-0x000000000193B000-memory.dmp

    Filesize

    12.8MB

  • memory/1644-14-0x0000000000C70000-0x000000000193B000-memory.dmp

    Filesize

    12.8MB

  • memory/1644-15-0x0000000000C70000-0x000000000193B000-memory.dmp

    Filesize

    12.8MB

  • memory/1644-16-0x0000000000C70000-0x000000000193B000-memory.dmp

    Filesize

    12.8MB

  • memory/1644-17-0x0000000000C70000-0x000000000193B000-memory.dmp

    Filesize

    12.8MB