Analysis

  • max time kernel
    21s
  • max time network
    24s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 03:18

General

  • Target

    85ea7702d92c135a551a65666811e85fbc3c2f062ab10be42ca80c98a4d896c6.exe

  • Size

    4.3MB

  • MD5

    ed6abef07583d27bea1c8f10ff31f6f3

  • SHA1

    d3860ef0972e66409814d42b61575097eb6d40aa

  • SHA256

    85ea7702d92c135a551a65666811e85fbc3c2f062ab10be42ca80c98a4d896c6

  • SHA512

    f2b443b969a84fafbfdd09fd9e0e546bd3684f04b831df1e36f4e9ae01b02a2eb5fad83efb1e8d871a8dd7ed268d4cf8e0bee626c38a764fd4bd95490898704c

  • SSDEEP

    98304:NqLzgQQOFW5XCyu24Hi5XMP8J1+aXAlw:NkMQ8148BJ1+Plw

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\85ea7702d92c135a551a65666811e85fbc3c2f062ab10be42ca80c98a4d896c6.exe
    "C:\Users\Admin\AppData\Local\Temp\85ea7702d92c135a551a65666811e85fbc3c2f062ab10be42ca80c98a4d896c6.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:840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/840-0-0x00000000002C0000-0x0000000000E2A000-memory.dmp

    Filesize

    11.4MB

  • memory/840-1-0x00000000777B0000-0x00000000777B2000-memory.dmp

    Filesize

    8KB

  • memory/840-2-0x00000000002C1000-0x0000000000545000-memory.dmp

    Filesize

    2.5MB

  • memory/840-3-0x00000000002C0000-0x0000000000E2A000-memory.dmp

    Filesize

    11.4MB

  • memory/840-4-0x00000000002C0000-0x0000000000E2A000-memory.dmp

    Filesize

    11.4MB

  • memory/840-5-0x00000000002C0000-0x0000000000E2A000-memory.dmp

    Filesize

    11.4MB

  • memory/840-6-0x00000000002C0000-0x0000000000E2A000-memory.dmp

    Filesize

    11.4MB

  • memory/840-7-0x00000000002C0000-0x0000000000E2A000-memory.dmp

    Filesize

    11.4MB

  • memory/840-8-0x00000000002C0000-0x0000000000E2A000-memory.dmp

    Filesize

    11.4MB

  • memory/840-9-0x00000000002C0000-0x0000000000E2A000-memory.dmp

    Filesize

    11.4MB

  • memory/840-10-0x00000000002C0000-0x0000000000E2A000-memory.dmp

    Filesize

    11.4MB

  • memory/840-11-0x00000000002C0000-0x0000000000E2A000-memory.dmp

    Filesize

    11.4MB

  • memory/840-12-0x00000000002C0000-0x0000000000E2A000-memory.dmp

    Filesize

    11.4MB

  • memory/840-13-0x00000000002C0000-0x0000000000E2A000-memory.dmp

    Filesize

    11.4MB

  • memory/840-15-0x00000000002C0000-0x0000000000E2A000-memory.dmp

    Filesize

    11.4MB