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Analysis

  • max time kernel
    144s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 05:48

General

  • Target

    8b69d4feddf89f1647344f21327026dc0bc116102850b8d715acb6e0c7d08465.exe

  • Size

    45KB

  • MD5

    f31b02dd58c8b1b90d1d201e554f78dc

  • SHA1

    a77f3c8d90497c4d430070615802434580dc1fdc

  • SHA256

    8b69d4feddf89f1647344f21327026dc0bc116102850b8d715acb6e0c7d08465

  • SHA512

    101ce037eaf395dbcbd3590a3b06540e485ed19da8909744e3d791e0bd21b28269d11c8c8d26857c23d31d63dfeb701ba22958d0be19636f7635d81cc1c39444

  • SSDEEP

    768:X323i/5MqKWo+CBe0dyvumWGpgIZ/jjPFjwUMaJiApGHNb6mB4:Ii/5MtWo+C80UcGpR/jjPpaSiApGtWs4

Score
7/10

Malware Config

Signatures

  • Unexpected DNS network traffic destination 5 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b69d4feddf89f1647344f21327026dc0bc116102850b8d715acb6e0c7d08465.exe
    "C:\Users\Admin\AppData\Local\Temp\8b69d4feddf89f1647344f21327026dc0bc116102850b8d715acb6e0c7d08465.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:364
    • C:\Users\Admin\AppData\Local\Temp\8b69d4feddf89f1647344f21327026dc0bc116102850b8d715acb6e0c7d08465.exe
      "C:\Users\Admin\AppData\Local\Temp\8b69d4feddf89f1647344f21327026dc0bc116102850b8d715acb6e0c7d08465.exe"
      2⤵
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      PID:4180
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4304

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/4180-133-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/4180-135-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/4180-136-0x0000000010000000-0x000000001000A000-memory.dmp

      Filesize

      40KB

    • memory/4180-140-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB