Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2024 08:31

General

  • Target

    23a5d24635b116f7ff8a1835275027de.exe

  • Size

    4.3MB

  • MD5

    23a5d24635b116f7ff8a1835275027de

  • SHA1

    3a47b6b89b789387e951e452ca2bf169c4cd0c3a

  • SHA256

    897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876

  • SHA512

    d4ebdedab89e6a85457c7ffa5407cbfb199b7ba117ef49c1c8027abaeb5c56cb3c532dd1739b755df5157811fbc7d18e9f95e0d011f94825403090d714663677

  • SSDEEP

    98304:6EY9Gce3J/R37n7jcZOcLPGObJjGk1m1S0H2Ue0K7JDDYkpq+FUpJQpH:qGR3J/R3r7j8ObObJjGGOLWj17J/t8+V

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\23a5d24635b116f7ff8a1835275027de.exe
    "C:\Users\Admin\AppData\Local\Temp\23a5d24635b116f7ff8a1835275027de.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:2032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2032-0-0x00000000000E0000-0x0000000000D19000-memory.dmp

    Filesize

    12.2MB

  • memory/2032-1-0x00000000777A0000-0x00000000777A2000-memory.dmp

    Filesize

    8KB

  • memory/2032-2-0x00000000000E1000-0x000000000036A000-memory.dmp

    Filesize

    2.5MB

  • memory/2032-3-0x00000000000E0000-0x0000000000D19000-memory.dmp

    Filesize

    12.2MB

  • memory/2032-4-0x00000000000E0000-0x0000000000D19000-memory.dmp

    Filesize

    12.2MB

  • memory/2032-5-0x00000000000E0000-0x0000000000D19000-memory.dmp

    Filesize

    12.2MB

  • memory/2032-6-0x00000000000E0000-0x0000000000D19000-memory.dmp

    Filesize

    12.2MB

  • memory/2032-7-0x00000000000E0000-0x0000000000D19000-memory.dmp

    Filesize

    12.2MB

  • memory/2032-8-0x00000000000E0000-0x0000000000D19000-memory.dmp

    Filesize

    12.2MB

  • memory/2032-9-0x00000000000E0000-0x0000000000D19000-memory.dmp

    Filesize

    12.2MB

  • memory/2032-10-0x00000000000E0000-0x0000000000D19000-memory.dmp

    Filesize

    12.2MB

  • memory/2032-11-0x00000000000E0000-0x0000000000D19000-memory.dmp

    Filesize

    12.2MB

  • memory/2032-12-0x00000000000E0000-0x0000000000D19000-memory.dmp

    Filesize

    12.2MB

  • memory/2032-13-0x00000000000E0000-0x0000000000D19000-memory.dmp

    Filesize

    12.2MB

  • memory/2032-14-0x00000000000E0000-0x0000000000D19000-memory.dmp

    Filesize

    12.2MB

  • memory/2032-15-0x00000000000E0000-0x0000000000D19000-memory.dmp

    Filesize

    12.2MB

  • memory/2032-16-0x00000000000E0000-0x0000000000D19000-memory.dmp

    Filesize

    12.2MB