Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2024 08:29

General

  • Target

    fbba61c61fa706eec44a022a1e9e3bac.exe

  • Size

    4.3MB

  • MD5

    fbba61c61fa706eec44a022a1e9e3bac

  • SHA1

    74e5e5e2ad5dfba941f35c8e207cad219b9ad21d

  • SHA256

    085ebe5916195a08c768e279650cdaa09b11b8ceda0fad4b9a499a4a3267b461

  • SHA512

    75d98196ee6fdf28b074ca8a2e17d27c7b3eaa187bd0f92fb02391090974ac649d450e14c0238cebb8c629884d3f3e2c9737888deaa12dbe12187fbf03e57e72

  • SSDEEP

    98304:cNLH9lv77mJ/g1Ef/DPJWUUz+TE88fc9vv43AYRSjasy1UtAxa:uL/zypmo4UeuYfcy3+DtUa

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\fbba61c61fa706eec44a022a1e9e3bac.exe
    "C:\Users\Admin\AppData\Local\Temp\fbba61c61fa706eec44a022a1e9e3bac.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:2580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2580-0-0x0000000000970000-0x00000000015AC000-memory.dmp

    Filesize

    12.2MB

  • memory/2580-1-0x0000000077B40000-0x0000000077B42000-memory.dmp

    Filesize

    8KB

  • memory/2580-2-0x0000000000971000-0x0000000000BFA000-memory.dmp

    Filesize

    2.5MB

  • memory/2580-3-0x0000000000970000-0x00000000015AC000-memory.dmp

    Filesize

    12.2MB

  • memory/2580-4-0x0000000000970000-0x00000000015AC000-memory.dmp

    Filesize

    12.2MB

  • memory/2580-5-0x0000000000970000-0x00000000015AC000-memory.dmp

    Filesize

    12.2MB

  • memory/2580-6-0x0000000000970000-0x00000000015AC000-memory.dmp

    Filesize

    12.2MB

  • memory/2580-7-0x0000000000970000-0x00000000015AC000-memory.dmp

    Filesize

    12.2MB

  • memory/2580-8-0x0000000000970000-0x00000000015AC000-memory.dmp

    Filesize

    12.2MB

  • memory/2580-9-0x0000000000970000-0x00000000015AC000-memory.dmp

    Filesize

    12.2MB

  • memory/2580-10-0x0000000000970000-0x00000000015AC000-memory.dmp

    Filesize

    12.2MB

  • memory/2580-11-0x0000000000970000-0x00000000015AC000-memory.dmp

    Filesize

    12.2MB

  • memory/2580-12-0x0000000000970000-0x00000000015AC000-memory.dmp

    Filesize

    12.2MB

  • memory/2580-13-0x0000000000970000-0x00000000015AC000-memory.dmp

    Filesize

    12.2MB

  • memory/2580-14-0x0000000000970000-0x00000000015AC000-memory.dmp

    Filesize

    12.2MB