Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2024 18:02

General

  • Target

    file.exe

  • Size

    4.2MB

  • MD5

    758ff78dfb784d7dd45d64c3414e65ab

  • SHA1

    8867b7267b58752190b99bf8203305b2d3f88b27

  • SHA256

    843567bec6b0f3cbace108b441cc48a352e085ddf485bc04ed47947fe759369b

  • SHA512

    60c189db28534c4e7fd0ed7ef7283a1baae4d038c27a1ce724c0a06dbe2e66dac55ae4d66d5639ca51b5df7a3cae2bcb3a9358d90587323c4e3acbd43b07aeb1

  • SSDEEP

    98304:ZgD6W88E9Cu++d9vk5oIjl2KU0j5cinV+C8OsT/T:mOZCu++Gl2Kj5c2V+Cq

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:1624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1624-0-0x0000000001280000-0x0000000001F33000-memory.dmp

    Filesize

    12.7MB

  • memory/1624-1-0x0000000077430000-0x0000000077432000-memory.dmp

    Filesize

    8KB

  • memory/1624-2-0x0000000001281000-0x0000000001505000-memory.dmp

    Filesize

    2.5MB

  • memory/1624-3-0x0000000001280000-0x0000000001F33000-memory.dmp

    Filesize

    12.7MB

  • memory/1624-4-0x0000000001280000-0x0000000001F33000-memory.dmp

    Filesize

    12.7MB

  • memory/1624-5-0x0000000001280000-0x0000000001F33000-memory.dmp

    Filesize

    12.7MB

  • memory/1624-6-0x0000000001280000-0x0000000001F33000-memory.dmp

    Filesize

    12.7MB

  • memory/1624-7-0x0000000001280000-0x0000000001F33000-memory.dmp

    Filesize

    12.7MB

  • memory/1624-8-0x0000000001280000-0x0000000001F33000-memory.dmp

    Filesize

    12.7MB

  • memory/1624-9-0x0000000001280000-0x0000000001F33000-memory.dmp

    Filesize

    12.7MB

  • memory/1624-10-0x0000000001280000-0x0000000001F33000-memory.dmp

    Filesize

    12.7MB

  • memory/1624-11-0x0000000001280000-0x0000000001F33000-memory.dmp

    Filesize

    12.7MB

  • memory/1624-12-0x0000000001280000-0x0000000001F33000-memory.dmp

    Filesize

    12.7MB

  • memory/1624-13-0x0000000001280000-0x0000000001F33000-memory.dmp

    Filesize

    12.7MB

  • memory/1624-14-0x0000000001280000-0x0000000001F33000-memory.dmp

    Filesize

    12.7MB

  • memory/1624-15-0x0000000001280000-0x0000000001F33000-memory.dmp

    Filesize

    12.7MB