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Overview

overview

8

Static

static

d283fe80b9...3d.exe

windows7-x64

8

d283fe80b9...3d.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 08:03

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General

  • Target

    d283fe80b943bc85fb9891878e7ad68518f19bba094a152545e80d5100dd7a3d.exe

  • Size

    208KB

  • MD5

    44e6c1dc066a435827334a86b5e7c510

  • SHA1

    d8e77c35ad3a6d29acf3bc80d16f726d0ca86805

  • SHA256

    d283fe80b943bc85fb9891878e7ad68518f19bba094a152545e80d5100dd7a3d

  • SHA512

    d8ef8cf0e935e0a4b73f6b1882a7238b4401974ab19126674de01956ede1832a5df7a86a032befa553a2a8878a269564dcd4d10d1c937b4ee29cc9759b82dd4b

  • SSDEEP

    768:RPf7NTc7cJldamwwTA1n7//9ezT7lsPvL76gjK4ZogFA:9TJlcHnr4ePf6gjK4P

Score
8/10
evasionpersistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 45 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d283fe80b943bc85fb9891878e7ad68518f19bba094a152545e80d5100dd7a3d.exe
    "C:\Users\Admin\AppData\Local\Temp\d283fe80b943bc85fb9891878e7ad68518f19bba094a152545e80d5100dd7a3d.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Users\Admin\AppData\Local\Temp\microsft.exe
      "C:\Users\Admin\AppData\Local\Temp\microsft.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2428
      • C:\Windows\SYSTEM32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\microsft.exe" "microsft.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1856

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\microsft.exe
    Filesize

    208KB

    MD5

    44e6c1dc066a435827334a86b5e7c510

    SHA1

    d8e77c35ad3a6d29acf3bc80d16f726d0ca86805

    SHA256

    d283fe80b943bc85fb9891878e7ad68518f19bba094a152545e80d5100dd7a3d

    SHA512

    d8ef8cf0e935e0a4b73f6b1882a7238b4401974ab19126674de01956ede1832a5df7a86a032befa553a2a8878a269564dcd4d10d1c937b4ee29cc9759b82dd4b

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\microsft.exe
    Filesize

    208KB

    MD5

    44e6c1dc066a435827334a86b5e7c510

    SHA1

    d8e77c35ad3a6d29acf3bc80d16f726d0ca86805

    SHA256

    d283fe80b943bc85fb9891878e7ad68518f19bba094a152545e80d5100dd7a3d

    SHA512

    d8ef8cf0e935e0a4b73f6b1882a7238b4401974ab19126674de01956ede1832a5df7a86a032befa553a2a8878a269564dcd4d10d1c937b4ee29cc9759b82dd4b

    Download Submit

  • memory/1724-132-0x00007FFE92940000-0x00007FFE93376000-memory.dmp

    Filesize

    10.2MB

    Download

  • memory/2428-136-0x00007FFE92940000-0x00007FFE93376000-memory.dmp

    Filesize

    10.2MB

    Download