Analysis

  • max time kernel
    16s
  • max time network
    22s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 07:29

General

  • Target

    d6cfec5f8c250d92d751030c95d46aec.exe

  • Size

    4.3MB

  • MD5

    d6cfec5f8c250d92d751030c95d46aec

  • SHA1

    70439cf2611f97c84af487c44b88703d004a2bca

  • SHA256

    0200c5657794ccc0916aae772004b7f72a793b77dc807b51b2f88e597813f611

  • SHA512

    a939f9af174d37e3d32d0794b1f14110deffd7847b884a79b5fd300bcc7c30ce285f6dbbc41ad6ab5bd237bb6353efb7ddee903a8ec155a10840dec8c25d9bbb

  • SSDEEP

    98304:DsLQssV45wdVMBWQmIXnmZ27vSBKm/P1QBlQSr9K1GBIP:epgMBbmYmqv+KuPylZr9pBu

Malware Config

Extracted

Family

cryptbot

C2

http://home.fivetk5vt.top/hLfzXsaqNtoEGyaUtOMJ1734

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\d6cfec5f8c250d92d751030c95d46aec.exe
    "C:\Users\Admin\AppData\Local\Temp\d6cfec5f8c250d92d751030c95d46aec.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:2296

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2296-0-0x00000000003E0000-0x0000000000FC5000-memory.dmp

    Filesize

    11.9MB

  • memory/2296-1-0x0000000077150000-0x0000000077152000-memory.dmp

    Filesize

    8KB

  • memory/2296-2-0x00000000003E1000-0x0000000000666000-memory.dmp

    Filesize

    2.5MB

  • memory/2296-3-0x00000000003E0000-0x0000000000FC5000-memory.dmp

    Filesize

    11.9MB

  • memory/2296-4-0x00000000003E0000-0x0000000000FC5000-memory.dmp

    Filesize

    11.9MB

  • memory/2296-5-0x00000000003E0000-0x0000000000FC5000-memory.dmp

    Filesize

    11.9MB

  • memory/2296-6-0x00000000003E0000-0x0000000000FC5000-memory.dmp

    Filesize

    11.9MB

  • memory/2296-7-0x00000000003E0000-0x0000000000FC5000-memory.dmp

    Filesize

    11.9MB

  • memory/2296-8-0x00000000003E0000-0x0000000000FC5000-memory.dmp

    Filesize

    11.9MB

  • memory/2296-9-0x00000000003E0000-0x0000000000FC5000-memory.dmp

    Filesize

    11.9MB

  • memory/2296-10-0x00000000003E0000-0x0000000000FC5000-memory.dmp

    Filesize

    11.9MB

  • memory/2296-11-0x00000000003E0000-0x0000000000FC5000-memory.dmp

    Filesize

    11.9MB