Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-12-2024 02:33

General

  • Target

    85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.exe

  • Size

    4.3MB

  • MD5

    75f83958dc211ddd4dfed631aed3aafa

  • SHA1

    b47b4351e5be4bc3830ca73454ee8be8f4f32beb

  • SHA256

    85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867

  • SHA512

    ee8f783396c0419f6af4f3148ae91c994c084998ad499ace665c40053661cdb7b0d3f5d7c5d04ee18c4e84889b2944ae1dfc637a9d19f4271634a02c18b4b084

  • SSDEEP

    49152:F3IsqIWhmytT6yGQJLB3p85cVUaRp2HeauaziONsTybSgbBRV/uiGisa0ZZM48YS:Ffqb9eyJlr7V/qXiTyW04zAvyWJV0Z

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\85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.exe
    "C:\Users\Admin\AppData\Local\Temp\85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867.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:1036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1036-0-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-1-0x00000000775E4000-0x00000000775E6000-memory.dmp

    Filesize

    8KB

  • memory/1036-2-0x00000000008A1000-0x0000000000B2A000-memory.dmp

    Filesize

    2.5MB

  • memory/1036-3-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-4-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-5-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-6-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-7-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-8-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-9-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-10-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-11-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-12-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-13-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-14-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-15-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-16-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-17-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-18-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-19-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-20-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-21-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-22-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB

  • memory/1036-23-0x00000000008A0000-0x00000000014E0000-memory.dmp

    Filesize

    12.2MB