Analysis

  • max time kernel
    136s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2022 14:22

General

  • Target

    d3a321451933f27714761c68ebc442685c7d0f66bedc16799bb3da2ed7dd0230.exe

  • Size

    38KB

  • MD5

    06aaeddc83ed3c9975b7071c122cba50

  • SHA1

    dab072f30c2afb8b9691cd1ed011665ff955777c

  • SHA256

    d3a321451933f27714761c68ebc442685c7d0f66bedc16799bb3da2ed7dd0230

  • SHA512

    c1d3028411624eae117273af4797e31c6d2b4854fabda462d1cc447e52297a5d1c71fb7698ede031cef5024d0792ecb8079631aabd67f4f33656e166372fa9d2

  • SSDEEP

    768:EoGBwgQ9xh7miRJsKue84EZ43eX/rUI/w9bbVAAtFPoIlan8K:EoGBwgc7miL85ZGWQIohZAAfm8K

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\d3a321451933f27714761c68ebc442685c7d0f66bedc16799bb3da2ed7dd0230.exe
    "C:\Users\Admin\AppData\Local\Temp\d3a321451933f27714761c68ebc442685c7d0f66bedc16799bb3da2ed7dd0230.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Users\Admin\AppData\Local\Temp\d3a321451933f27714761c68ebc442685c7d0f66bedc16799bb3da2ed7dd0230.exe
      C:\Users\Admin\AppData\Local\Temp\d3a321451933f27714761c68ebc442685c7d0f66bedc16799bb3da2ed7dd0230.exe
      2⤵
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      PID:5004
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:532

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/5004-132-0x0000000000000000-mapping.dmp

    • memory/5004-133-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/5004-135-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/5004-136-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/5004-137-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB