Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 04:19

General

  • Target

    e34a61e1e9a3ba9dee9dcffc185f13d26427bb0168e1ec4c4fe1e61b3b5d9f1d.exe

  • Size

    4.2MB

  • MD5

    0b0b89846c005a9c7087e8272294ea86

  • SHA1

    cdd2b18e741ea6936bf32c642b11f3e676f58a1a

  • SHA256

    e34a61e1e9a3ba9dee9dcffc185f13d26427bb0168e1ec4c4fe1e61b3b5d9f1d

  • SHA512

    e62cff68f9f768242a5a87eed2193db4c77e22753354abde81417b841da34a1e0e637efe6cdb4d4ed852fe547d90d7d0ed01d72d6a1d5c02ceb6ef3a7b4ee676

  • SSDEEP

    98304:abRFXfzCAscSbMGXLQqSFyYSpnHXDo0QeiFnjfUbWxnU5C:a7XWAuX8RA3Do0DmjfUKO

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\e34a61e1e9a3ba9dee9dcffc185f13d26427bb0168e1ec4c4fe1e61b3b5d9f1d.exe
    "C:\Users\Admin\AppData\Local\Temp\e34a61e1e9a3ba9dee9dcffc185f13d26427bb0168e1ec4c4fe1e61b3b5d9f1d.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:1600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1600-0-0x0000000000B60000-0x00000000017CB000-memory.dmp

    Filesize

    12.4MB

  • memory/1600-1-0x0000000077DB0000-0x0000000077DB2000-memory.dmp

    Filesize

    8KB

  • memory/1600-2-0x0000000000B61000-0x0000000000DE4000-memory.dmp

    Filesize

    2.5MB

  • memory/1600-3-0x0000000000B60000-0x00000000017CB000-memory.dmp

    Filesize

    12.4MB

  • memory/1600-4-0x0000000000B60000-0x00000000017CB000-memory.dmp

    Filesize

    12.4MB

  • memory/1600-5-0x0000000000B60000-0x00000000017CB000-memory.dmp

    Filesize

    12.4MB

  • memory/1600-6-0x0000000000B60000-0x00000000017CB000-memory.dmp

    Filesize

    12.4MB

  • memory/1600-7-0x0000000000B60000-0x00000000017CB000-memory.dmp

    Filesize

    12.4MB

  • memory/1600-8-0x0000000000B60000-0x00000000017CB000-memory.dmp

    Filesize

    12.4MB

  • memory/1600-9-0x0000000000B60000-0x00000000017CB000-memory.dmp

    Filesize

    12.4MB

  • memory/1600-10-0x0000000000B60000-0x00000000017CB000-memory.dmp

    Filesize

    12.4MB

  • memory/1600-11-0x0000000000B60000-0x00000000017CB000-memory.dmp

    Filesize

    12.4MB

  • memory/1600-12-0x0000000000B60000-0x00000000017CB000-memory.dmp

    Filesize

    12.4MB