Analysis

  • max time kernel
    62s
  • max time network
    67s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2023 15:16

General

  • Target

    stop.exe

  • Size

    130KB

  • MD5

    5c725d083f3929b5c523f6f068560669

  • SHA1

    4b9f51c3cfa859456c4cce74442a4acd70cd7b55

  • SHA256

    65f3162d46b247a9b79ace4c19e6ad81c5aa00a2229a6557f377f9ced697df01

  • SHA512

    014b8a79c36fb1075a12edfad71e939d03822b7c3c9a5fb3a46cb39bfc92322e053997d39150b6503e3bb6c1817cb661493d8721e8011e5244867afbb1dac864

  • SSDEEP

    1536:3zJc6F17L992+zfTmnsO4W1QpaonFGIkuwe31Q5LeI5xry0pvK/MlOWJryGOvaZ:CO7v2wfpHMmF31Q5nvrFRK/QXrjAw

Score
10/10

Malware Config

Extracted

Family

systembc

C2

69.49.231.218:4001

Signatures

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\stop.exe
    "C:\Users\Admin\AppData\Local\Temp\stop.exe"
    1⤵
    • Drops file in Windows directory
    PID:1016
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1016 -s 908
      2⤵
      • Program crash
      PID:744
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1016 -ip 1016
    1⤵
      PID:2880

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1016-135-0x00000000006C0000-0x00000000006C6000-memory.dmp

      Filesize

      24KB

    • memory/1016-136-0x00000000006D0000-0x00000000006D5000-memory.dmp

      Filesize

      20KB

    • memory/1016-137-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/1016-143-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB