Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-02-2025 20:12

General

  • Target

    3bb78a6903d99f28dbdb09dbb4327aa60a1e697dd79a74a4b350e0984e5fcf8d.exe

  • Size

    6.3MB

  • MD5

    2149b9148cb557c34c21d866b501ac98

  • SHA1

    83df12db33d73c193a1df1056bbde38cc4f6d210

  • SHA256

    3bb78a6903d99f28dbdb09dbb4327aa60a1e697dd79a74a4b350e0984e5fcf8d

  • SHA512

    81f40561636b84cbb6be3329a63d542777123ba12912e1ad73a5fb1c4ef5d8a12ea6418d356c49da61a53b8682071c3bda49ee9c9aa324181cf5562a70264b4e

  • SSDEEP

    98304:Kxa1T8awJOxxbdOC3j1trIy9TI967Xtlkxp33GHG7bW0smSL:Ks1A5UxxBbj1trH9TI9n36WbW0

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\3bb78a6903d99f28dbdb09dbb4327aa60a1e697dd79a74a4b350e0984e5fcf8d.exe
    "C:\Users\Admin\AppData\Local\Temp\3bb78a6903d99f28dbdb09dbb4327aa60a1e697dd79a74a4b350e0984e5fcf8d.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:3328
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI0IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4ODkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTM2NTgwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0Nzc5OTc1MDYyIi8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:1852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3328-0-0x0000000000EE0000-0x0000000001A4D000-memory.dmp

    Filesize

    11.4MB

  • memory/3328-1-0x0000000077684000-0x0000000077686000-memory.dmp

    Filesize

    8KB

  • memory/3328-2-0x0000000000EE1000-0x0000000001179000-memory.dmp

    Filesize

    2.6MB

  • memory/3328-3-0x0000000000EE0000-0x0000000001A4D000-memory.dmp

    Filesize

    11.4MB

  • memory/3328-4-0x0000000000EE0000-0x0000000001A4D000-memory.dmp

    Filesize

    11.4MB

  • memory/3328-5-0x0000000000EE0000-0x0000000001A4D000-memory.dmp

    Filesize

    11.4MB

  • memory/3328-6-0x0000000000EE0000-0x0000000001A4D000-memory.dmp

    Filesize

    11.4MB

  • memory/3328-7-0x0000000000EE0000-0x0000000001A4D000-memory.dmp

    Filesize

    11.4MB

  • memory/3328-8-0x0000000000EE0000-0x0000000001A4D000-memory.dmp

    Filesize

    11.4MB

  • memory/3328-9-0x0000000000EE0000-0x0000000001A4D000-memory.dmp

    Filesize

    11.4MB

  • memory/3328-11-0x0000000000EE0000-0x0000000001A4D000-memory.dmp

    Filesize

    11.4MB

  • memory/3328-12-0x0000000000EE0000-0x0000000001A4D000-memory.dmp

    Filesize

    11.4MB

  • memory/3328-13-0x0000000000EE0000-0x0000000001A4D000-memory.dmp

    Filesize

    11.4MB

  • memory/3328-14-0x0000000000EE0000-0x0000000001A4D000-memory.dmp

    Filesize

    11.4MB

  • memory/3328-15-0x0000000000EE0000-0x0000000001A4D000-memory.dmp

    Filesize

    11.4MB

  • memory/3328-16-0x0000000000EE0000-0x0000000001A4D000-memory.dmp

    Filesize

    11.4MB