Analysis

  • max time kernel
    53s
  • max time network
    75s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    29/12/2022, 00:40

General

  • Target

    5f753019678981d6ec366ff58eb0b31217c1bc4c3495c1165209d0ee89b47351.exe

  • Size

    1.6MB

  • MD5

    fc6b519d999a1794a9f03e20f826c63c

  • SHA1

    e594b88bd0cec22bdfb04124b93dac32947018e7

  • SHA256

    5f753019678981d6ec366ff58eb0b31217c1bc4c3495c1165209d0ee89b47351

  • SHA512

    ce714137bcd934b8e53f1fad53d0c4d631f41e36ccc77496044060375bf9e19d430371128e8168851db7aa9489e073bc59af79f4ca8b4db8b8e46265a337715e

  • SSDEEP

    49152:I/oSAlZ+8My3cHeuCF+HvF3rhKrQD89ecxv:I/ojROHeuCFgF7YED89/

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f753019678981d6ec366ff58eb0b31217c1bc4c3495c1165209d0ee89b47351.exe
    "C:\Users\Admin\AppData\Local\Temp\5f753019678981d6ec366ff58eb0b31217c1bc4c3495c1165209d0ee89b47351.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /y .\tkXu4Aa.n
      2⤵
      • Loads dropped DLL
      PID:4940

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tkXu4Aa.n

    Filesize

    1.5MB

    MD5

    b17c462e94412450fe2f51270042fc57

    SHA1

    31486090a022c7324eaecbce180b8ab83c0fa463

    SHA256

    f5e198abce5a306fd621978b027100343a6e54f1d9293d8998e5a901cc4eb69f

    SHA512

    23bc4b7051b9eb7d50e979e8177b18d2edc30e10c9b0b8949d2c8c2ca4d27ebcff58653fb0460cb45ced21db0181a072abb7c0aef356d012fafee27d6855b7eb

  • \Users\Admin\AppData\Local\Temp\tkXu4Aa.n

    Filesize

    1.5MB

    MD5

    b17c462e94412450fe2f51270042fc57

    SHA1

    31486090a022c7324eaecbce180b8ab83c0fa463

    SHA256

    f5e198abce5a306fd621978b027100343a6e54f1d9293d8998e5a901cc4eb69f

    SHA512

    23bc4b7051b9eb7d50e979e8177b18d2edc30e10c9b0b8949d2c8c2ca4d27ebcff58653fb0460cb45ced21db0181a072abb7c0aef356d012fafee27d6855b7eb

  • memory/2708-115-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-116-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-117-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-118-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-120-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-121-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-123-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-124-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-125-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-126-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-127-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-128-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-129-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-130-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-131-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-132-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-133-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-134-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-135-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-136-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-137-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-138-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-139-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-140-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-141-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-142-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-144-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-145-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-146-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-143-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-147-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-148-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-149-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-150-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-151-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-152-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-153-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-154-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-155-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-156-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-157-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-158-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-159-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-160-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-161-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-162-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-163-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-164-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-166-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-167-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-168-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-169-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-165-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-170-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-171-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-172-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-173-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-174-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-175-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-176-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-177-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-178-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-179-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/2708-180-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

    Filesize

    1.6MB

  • memory/4940-230-0x0000000004BF0000-0x0000000004D75000-memory.dmp

    Filesize

    1.5MB

  • memory/4940-231-0x0000000072780000-0x000000007290C000-memory.dmp

    Filesize

    1.5MB