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Analysis

  • max time kernel
    20s
  • max time network
    24s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17/12/2024, 08:37

General

  • Target

    7d428fcf377f6d515c378d45dbd193df.exe

  • Size

    4.2MB

  • MD5

    7d428fcf377f6d515c378d45dbd193df

  • SHA1

    c610093028374c297a332f9b0885e25a4574f068

  • SHA256

    b56898518eaaa502f048f88e88ba890eddffa54fd0fe2a32da7a2ae4c6a54214

  • SHA512

    45b1c0c44f0cee2bdde60885d230b5afd11da1111c3d2e32d2cd45f19a6e60611f5f5f2d7fca24e54fc4764687b0b32b6750e727907ceb5376d56483fd395046

  • SSDEEP

    98304:6AaKzQzprHmX5cZNjOLezCtSAO5vlRp7Zy8t2usZBMQiVRF8Iufd:6AFUzpDmX5ExZAO5vJ7ZymiB7Sk

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\7d428fcf377f6d515c378d45dbd193df.exe
    "C:\Users\Admin\AppData\Local\Temp\7d428fcf377f6d515c378d45dbd193df.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:2220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2220-0-0x0000000000D20000-0x0000000001999000-memory.dmp

    Filesize

    12.5MB

  • memory/2220-1-0x0000000077500000-0x0000000077502000-memory.dmp

    Filesize

    8KB

  • memory/2220-2-0x0000000000D21000-0x0000000000FA4000-memory.dmp

    Filesize

    2.5MB

  • memory/2220-3-0x0000000000D20000-0x0000000001999000-memory.dmp

    Filesize

    12.5MB

  • memory/2220-4-0x0000000000D20000-0x0000000001999000-memory.dmp

    Filesize

    12.5MB

  • memory/2220-5-0x0000000000D20000-0x0000000001999000-memory.dmp

    Filesize

    12.5MB

  • memory/2220-6-0x0000000000D20000-0x0000000001999000-memory.dmp

    Filesize

    12.5MB

  • memory/2220-7-0x0000000000D20000-0x0000000001999000-memory.dmp

    Filesize

    12.5MB

  • memory/2220-8-0x0000000000D20000-0x0000000001999000-memory.dmp

    Filesize

    12.5MB

  • memory/2220-9-0x0000000000D20000-0x0000000001999000-memory.dmp

    Filesize

    12.5MB

  • memory/2220-10-0x0000000000D20000-0x0000000001999000-memory.dmp

    Filesize

    12.5MB

  • memory/2220-11-0x0000000000D20000-0x0000000001999000-memory.dmp

    Filesize

    12.5MB

  • memory/2220-12-0x0000000000D20000-0x0000000001999000-memory.dmp

    Filesize

    12.5MB

  • memory/2220-13-0x0000000000D20000-0x0000000001999000-memory.dmp

    Filesize

    12.5MB

  • memory/2220-15-0x0000000000D20000-0x0000000001999000-memory.dmp

    Filesize

    12.5MB

  • memory/2220-16-0x0000000000D20000-0x0000000001999000-memory.dmp

    Filesize

    12.5MB