Analysis

  • max time kernel
    148s
  • 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
    19-12-2024 07:06

General

  • Target

    70434d35e134be744784cc4acf6e8179.exe

  • Size

    4.2MB

  • MD5

    70434d35e134be744784cc4acf6e8179

  • SHA1

    bfd584fe0f50e158ef7df13350f00ddd1797a5c5

  • SHA256

    db554c37c8a4b97901452b495ea43e0c4bced715f393adec6993451eb244109d

  • SHA512

    eecdb906b01edeafc6c88ab38ba2ddcf38ef6a1140d59a1c52321da580440c036f05a5ce0a930dd379eb8a4376a577ecd3f8946f49d1f77b0fe22953f91c6f7b

  • SSDEEP

    98304:/qTOxDhBm2XrSst5vyf4Ph2dE0IyQfr94o4/69rr5CSLr:6mwGSEPIdPQ9J4/C5Vr

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\70434d35e134be744784cc4acf6e8179.exe
    "C:\Users\Admin\AppData\Local\Temp\70434d35e134be744784cc4acf6e8179.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:2084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2084-0-0x00000000001C0000-0x0000000000D1E000-memory.dmp

    Filesize

    11.4MB

  • memory/2084-1-0x0000000077854000-0x0000000077856000-memory.dmp

    Filesize

    8KB

  • memory/2084-2-0x00000000001C1000-0x0000000000445000-memory.dmp

    Filesize

    2.5MB

  • memory/2084-3-0x00000000001C0000-0x0000000000D1E000-memory.dmp

    Filesize

    11.4MB

  • memory/2084-4-0x00000000001C0000-0x0000000000D1E000-memory.dmp

    Filesize

    11.4MB

  • memory/2084-5-0x00000000001C0000-0x0000000000D1E000-memory.dmp

    Filesize

    11.4MB

  • memory/2084-6-0x00000000001C0000-0x0000000000D1E000-memory.dmp

    Filesize

    11.4MB

  • memory/2084-7-0x00000000001C0000-0x0000000000D1E000-memory.dmp

    Filesize

    11.4MB

  • memory/2084-8-0x00000000001C0000-0x0000000000D1E000-memory.dmp

    Filesize

    11.4MB

  • memory/2084-9-0x00000000001C0000-0x0000000000D1E000-memory.dmp

    Filesize

    11.4MB

  • memory/2084-10-0x00000000001C0000-0x0000000000D1E000-memory.dmp

    Filesize

    11.4MB

  • memory/2084-11-0x00000000001C0000-0x0000000000D1E000-memory.dmp

    Filesize

    11.4MB

  • memory/2084-12-0x00000000001C0000-0x0000000000D1E000-memory.dmp

    Filesize

    11.4MB

  • memory/2084-14-0x00000000001C0000-0x0000000000D1E000-memory.dmp

    Filesize

    11.4MB