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Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/01/2024, 21:32

General

  • Target

    1236c0ef970171094fba3b7895a4d3d9.exe

  • Size

    37KB

  • MD5

    1236c0ef970171094fba3b7895a4d3d9

  • SHA1

    bca356e243b57232faabd82aaf1b94e9e620ce82

  • SHA256

    c9aa5dc253264f3c11f4c87187ed9003bb83fb9382693aef3fdce55ac6f99cc6

  • SHA512

    d4c56182e4206972bcd084f3e89bdc55c9f8267be7573840d64cb3301c044a8dfced474d024af78487ef0e30eb3837f02a059d409142481399d90cc8a77349fd

  • SSDEEP

    384:QuSvEiTbTvpWNcZ0y8fvCv3v3cLkacJE0rAF+rMRTyN/0L+EcoinblneHQM3epzx:VS7TZ38fvCv3E1cprM+rMRa8NuUpit

Score
8/10

Malware Config

Signatures

  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops autorun.inf file 1 TTPs 5 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1236c0ef970171094fba3b7895a4d3d9.exe
    "C:\Users\Admin\AppData\Local\Temp\1236c0ef970171094fba3b7895a4d3d9.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Drops autorun.inf file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2584
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\1236c0ef970171094fba3b7895a4d3d9.exe" "1236c0ef970171094fba3b7895a4d3d9.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      PID:3012
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM explorer.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • F:\svchost.exe

    Filesize

    37KB

    MD5

    1236c0ef970171094fba3b7895a4d3d9

    SHA1

    bca356e243b57232faabd82aaf1b94e9e620ce82

    SHA256

    c9aa5dc253264f3c11f4c87187ed9003bb83fb9382693aef3fdce55ac6f99cc6

    SHA512

    d4c56182e4206972bcd084f3e89bdc55c9f8267be7573840d64cb3301c044a8dfced474d024af78487ef0e30eb3837f02a059d409142481399d90cc8a77349fd

  • memory/2584-0-0x0000000074A90000-0x0000000075041000-memory.dmp

    Filesize

    5.7MB

  • memory/2584-1-0x0000000074A90000-0x0000000075041000-memory.dmp

    Filesize

    5.7MB

  • memory/2584-2-0x0000000001060000-0x0000000001070000-memory.dmp

    Filesize

    64KB

  • memory/2584-12-0x0000000074A90000-0x0000000075041000-memory.dmp

    Filesize

    5.7MB

  • memory/2584-13-0x0000000074A90000-0x0000000075041000-memory.dmp

    Filesize

    5.7MB

  • memory/2584-14-0x0000000001060000-0x0000000001070000-memory.dmp

    Filesize

    64KB