Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    28/12/2022, 20:30

General

  • Target

    65e77f0b890a7318e972e75c555ca04d5a5f0929b1deb03ac82720ab1f27edb3.exe

  • Size

    1014KB

  • MD5

    66f3be346f6f8dcf6a0736a4e8b7a0c5

  • SHA1

    78cb2d2076744ac362fc7b61ae67825ffd4637f1

  • SHA256

    65e77f0b890a7318e972e75c555ca04d5a5f0929b1deb03ac82720ab1f27edb3

  • SHA512

    02cfeb00773fa6c7046d274179456539b908d6cfa31d5fb1874f67a1558ff7d89052bca8dcba446812be585f3a59ee5d18dce15d00bfe2a369d7aebd549beac2

  • SSDEEP

    24576:wzwgZWDC0AAScPnSNIM+jZJbKQCf3pkgi30:zgZcC0VSgnVZj040

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Loads dropped DLL 1 IoCs
  • 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 SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 20 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 24 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\65e77f0b890a7318e972e75c555ca04d5a5f0929b1deb03ac82720ab1f27edb3.exe
    "C:\Users\Admin\AppData\Local\Temp\65e77f0b890a7318e972e75c555ca04d5a5f0929b1deb03ac82720ab1f27edb3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3528
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Qfyshwqueqdpai.tmp",Dioeeedresq
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Checks processor information in registry
      • Suspicious use of WriteProcessMemory
      PID:4800
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 14028
        3⤵
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        PID:4220
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4608

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Qfyshwqueqdpai.tmp

      Filesize

      792KB

      MD5

      822d3ead416a1a85cb96e65f65cd5ae2

      SHA1

      af32b69e2835d1cacdadb97ae6dfafccc32d1837

      SHA256

      72bdb3a06dca8458ac9aedf06785b2d7b95a19f8b9f3f8f5be2eb4744e9c5d1d

      SHA512

      48d0d61efd51fd2d8eb04d990b4a5b3ca34c916199d3b0a3b135d2089e028ee37f5145e4705fb75da77eaabbe12f8c4ea55775a41e1b1c68a90ce68b8c2a7260

    • \Users\Admin\AppData\Local\Temp\Qfyshwqueqdpai.tmp

      Filesize

      792KB

      MD5

      822d3ead416a1a85cb96e65f65cd5ae2

      SHA1

      af32b69e2835d1cacdadb97ae6dfafccc32d1837

      SHA256

      72bdb3a06dca8458ac9aedf06785b2d7b95a19f8b9f3f8f5be2eb4744e9c5d1d

      SHA512

      48d0d61efd51fd2d8eb04d990b4a5b3ca34c916199d3b0a3b135d2089e028ee37f5145e4705fb75da77eaabbe12f8c4ea55775a41e1b1c68a90ce68b8c2a7260

    • memory/3528-155-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-153-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-120-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-121-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-122-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-123-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-124-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-125-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-126-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-127-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-118-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-129-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-130-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-131-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-132-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-134-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-135-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-136-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-137-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-138-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-140-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-141-0x0000000002450000-0x0000000002561000-memory.dmp

      Filesize

      1.1MB

    • memory/3528-142-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-144-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-145-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-143-0x0000000000400000-0x0000000000521000-memory.dmp

      Filesize

      1.1MB

    • memory/3528-139-0x0000000002360000-0x0000000002444000-memory.dmp

      Filesize

      912KB

    • memory/3528-146-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-147-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-148-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-149-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-150-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-151-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-152-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-157-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-154-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-128-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-156-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-119-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-158-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-159-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-160-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-161-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-162-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/3528-166-0x0000000000400000-0x0000000000521000-memory.dmp

      Filesize

      1.1MB

    • memory/4220-278-0x0000000000240000-0x00000000004DC000-memory.dmp

      Filesize

      2.6MB

    • memory/4220-279-0x0000026123560000-0x000002612380E000-memory.dmp

      Filesize

      2.7MB

    • memory/4800-182-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-178-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-167-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-168-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-169-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-170-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-171-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-172-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-173-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-174-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-164-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-175-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-184-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-165-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-179-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-180-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-177-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-181-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-176-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-183-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-185-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-186-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-187-0x0000000077550000-0x00000000776DE000-memory.dmp

      Filesize

      1.6MB

    • memory/4800-264-0x0000000006E30000-0x000000000798D000-memory.dmp

      Filesize

      11.4MB

    • memory/4800-280-0x0000000006E30000-0x000000000798D000-memory.dmp

      Filesize

      11.4MB