Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250211-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-02-2025 16:22

General

  • Target

    random.exe

  • Size

    6.3MB

  • MD5

    368e676306818d9266f0d4948e0eb541

  • SHA1

    4d67aef52ca4ff56130990bd789ba99887e8094f

  • SHA256

    3bf45d9e1a4948475d8770f14d50fcf227eb60484f892fab04896e95c16fe8ac

  • SHA512

    d9f0f7ce266411e3493d1c617d6d322beeed05704cd30689cd3e4f95c7f3d47ec2ab0704c17094a94dc4b2059bbd088df77751ed782d3aac06893319bd650d16

  • SSDEEP

    98304:yuDuKIqCMOWkhl9mPIiyZlpVbawv+MqdEjDYPVakdiNV2:5DuK7XOWXDyZlbVoVasiG

Malware Config

Extracted

Family

cryptbot

C2

http://home.fivejj5sr.top/fWukggcxTlVTnBnJjsCp17

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:2144
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI0IiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODM0MTAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NTUzNjg2NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzgyMzE0NDExIi8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2144-0-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB

  • memory/2144-1-0x0000000077BD4000-0x0000000077BD6000-memory.dmp

    Filesize

    8KB

  • memory/2144-2-0x0000000000BB1000-0x0000000000E4B000-memory.dmp

    Filesize

    2.6MB

  • memory/2144-3-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB

  • memory/2144-4-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB

  • memory/2144-5-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB

  • memory/2144-6-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB

  • memory/2144-7-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB

  • memory/2144-8-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB

  • memory/2144-10-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB

  • memory/2144-11-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB

  • memory/2144-12-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB

  • memory/2144-13-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB

  • memory/2144-14-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB

  • memory/2144-15-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB

  • memory/2144-16-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB

  • memory/2144-17-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB

  • memory/2144-18-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB

  • memory/2144-20-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB

  • memory/2144-21-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB

  • memory/2144-22-0x0000000000BB0000-0x00000000018D5000-memory.dmp

    Filesize

    13.1MB