Analysis

  • max time kernel
    366s
  • max time network
    429s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09-01-2023 18:41

General

  • Target

    mchost.exe

  • Size

    872KB

  • MD5

    c56b5f0201a3b3de53e561fe76912bfd

  • SHA1

    2a4062e10a5de813f5688221dbeb3f3ff33eb417

  • SHA256

    237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

  • SHA512

    195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

  • SSDEEP

    12288:6pVWeOV7GtINsegA/hMyyzlcqikvAfcN9b2MyZa31twoPTdFxgawV2M01:6T3E53Myyzl0hMf1tr7Caw8M01

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 20 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\mchost.exe
    "C:\Users\Admin\AppData\Local\Temp\mchost.exe"
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    PID:4796
  • C:\Windows\system32\notepad.exe
    "C:\Windows\system32\notepad.exe"
    1⤵
      PID:4000

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4796-120-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-121-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-122-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-123-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-124-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-125-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-126-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-127-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-128-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-129-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-130-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-131-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-132-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-133-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-135-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-134-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-137-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-136-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-138-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-139-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-140-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-141-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-143-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-144-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-145-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-146-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-142-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-148-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-149-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-150-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-151-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-152-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-153-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-154-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-155-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-157-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-158-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-159-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-161-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-162-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-163-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-164-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-166-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-165-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-160-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-167-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-168-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-169-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-171-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-172-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-170-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-173-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-175-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-176-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-177-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-179-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-180-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-181-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-178-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-183-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-182-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-174-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-156-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB

    • memory/4796-147-0x0000000077D90000-0x0000000077F1E000-memory.dmp

      Filesize

      1.6MB