Analysis

  • max time kernel
    94s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2024 15:19

General

  • Target

    308b5cef77c672f677d2245307116688.exe

  • Size

    4.2MB

  • MD5

    308b5cef77c672f677d2245307116688

  • SHA1

    7c71404394a0f8cc5db7e045b1397211fd5ccf8c

  • SHA256

    5c6029db1e5fd370a90763ce8f2f2ab02a4188c4f82e342a7dca9fcba555156f

  • SHA512

    f0769aa004fc0767adb29dde125d2c234bdfa04fa7386fc5838ed3d114ac108cb803a752a75cfe3c9e107db5d27f39e96986cfc80b24dab9fd244c29ad2931cc

  • SSDEEP

    98304:g/UQRVyBPZZS4iRflYW4hceyGKOBenMcNCYH:g/UQR4044ltUceyhOEn3LH

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\308b5cef77c672f677d2245307116688.exe
    "C:\Users\Admin\AppData\Local\Temp\308b5cef77c672f677d2245307116688.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:2020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2020-0-0x00000000002E0000-0x0000000000E40000-memory.dmp

    Filesize

    11.4MB

  • memory/2020-1-0x00000000777C4000-0x00000000777C6000-memory.dmp

    Filesize

    8KB

  • memory/2020-2-0x00000000002E1000-0x0000000000565000-memory.dmp

    Filesize

    2.5MB

  • memory/2020-3-0x00000000002E0000-0x0000000000E40000-memory.dmp

    Filesize

    11.4MB

  • memory/2020-4-0x00000000002E0000-0x0000000000E40000-memory.dmp

    Filesize

    11.4MB

  • memory/2020-5-0x00000000002E0000-0x0000000000E40000-memory.dmp

    Filesize

    11.4MB

  • memory/2020-6-0x00000000002E0000-0x0000000000E40000-memory.dmp

    Filesize

    11.4MB

  • memory/2020-7-0x00000000002E0000-0x0000000000E40000-memory.dmp

    Filesize

    11.4MB

  • memory/2020-8-0x00000000002E0000-0x0000000000E40000-memory.dmp

    Filesize

    11.4MB

  • memory/2020-9-0x00000000002E0000-0x0000000000E40000-memory.dmp

    Filesize

    11.4MB

  • memory/2020-10-0x00000000002E0000-0x0000000000E40000-memory.dmp

    Filesize

    11.4MB

  • memory/2020-11-0x00000000002E0000-0x0000000000E40000-memory.dmp

    Filesize

    11.4MB

  • memory/2020-12-0x00000000002E0000-0x0000000000E40000-memory.dmp

    Filesize

    11.4MB

  • memory/2020-13-0x00000000002E0000-0x0000000000E40000-memory.dmp

    Filesize

    11.4MB

  • memory/2020-14-0x00000000002E0000-0x0000000000E40000-memory.dmp

    Filesize

    11.4MB

  • memory/2020-15-0x00000000002E0000-0x0000000000E40000-memory.dmp

    Filesize

    11.4MB

  • memory/2020-16-0x00000000002E0000-0x0000000000E40000-memory.dmp

    Filesize

    11.4MB