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Analysis

  • max time kernel
    102s
  • max time network
    152s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250207-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250207-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    09/02/2025, 17:39

General

  • Target

    random.exe

  • Size

    6.2MB

  • MD5

    069ff0654d04b6c32940e11762b4cda9

  • SHA1

    d0757d9e35b59d1b3075c818227c496427598d49

  • SHA256

    a7e34bebb04fd6fae92771a6f0a09b55b3d6dc1decacc17937b0a53a0462d526

  • SHA512

    afaa2aa66bf15cef5355378d005eb1953860b609c3779c0235ae4ba6b7694de86d090ca6c84c29b1cbbc320845b8933b3c7f641f3125e4ec54d656aa17780e91

  • SSDEEP

    98304:vn0uVx99QAERXhd7SWb6ZLDucAl4iTGjkjHlXoEOa+S5Pfz:vn0kx996JOEOa+S5H

Malware Config

Extracted

Family

cryptbot

C2

http://home.fivepp5sb.top/joLepLgSzIBRhlkJbQYx17

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
  • Downloads MZ/PE file 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 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\random.exe
    "C:\Users\Admin\AppData\Local\Temp\random.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:5064
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-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
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:2360

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/5064-0-0x0000000000110000-0x0000000000C72000-memory.dmp

    Filesize

    11.4MB

  • memory/5064-1-0x0000000077085000-0x0000000077087000-memory.dmp

    Filesize

    8KB

  • memory/5064-2-0x0000000000111000-0x00000000003A9000-memory.dmp

    Filesize

    2.6MB

  • memory/5064-3-0x0000000000110000-0x0000000000C72000-memory.dmp

    Filesize

    11.4MB

  • memory/5064-4-0x0000000000110000-0x0000000000C72000-memory.dmp

    Filesize

    11.4MB

  • memory/5064-5-0x0000000000110000-0x0000000000C72000-memory.dmp

    Filesize

    11.4MB

  • memory/5064-6-0x0000000000110000-0x0000000000C72000-memory.dmp

    Filesize

    11.4MB

  • memory/5064-7-0x0000000000110000-0x0000000000C72000-memory.dmp

    Filesize

    11.4MB

  • memory/5064-8-0x0000000000110000-0x0000000000C72000-memory.dmp

    Filesize

    11.4MB

  • memory/5064-9-0x0000000000110000-0x0000000000C72000-memory.dmp

    Filesize

    11.4MB

  • memory/5064-10-0x0000000000110000-0x0000000000C72000-memory.dmp

    Filesize

    11.4MB

  • memory/5064-11-0x0000000000110000-0x0000000000C72000-memory.dmp

    Filesize

    11.4MB

  • memory/5064-12-0x0000000000110000-0x0000000000C72000-memory.dmp

    Filesize

    11.4MB

  • memory/5064-13-0x0000000000110000-0x0000000000C72000-memory.dmp

    Filesize

    11.4MB

  • memory/5064-15-0x0000000000110000-0x0000000000C72000-memory.dmp

    Filesize

    11.4MB

  • memory/5064-16-0x0000000000110000-0x0000000000C72000-memory.dmp

    Filesize

    11.4MB

  • memory/5064-17-0x0000000000110000-0x0000000000C72000-memory.dmp

    Filesize

    11.4MB

  • memory/5064-18-0x0000000000110000-0x0000000000C72000-memory.dmp

    Filesize

    11.4MB