Analysis

  • max time kernel
    114s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 20:26

General

  • Target

    3e8e070b686744b5c7d08171d4c3b6d0N.dll

  • Size

    76KB

  • MD5

    3e8e070b686744b5c7d08171d4c3b6d0

  • SHA1

    ef71696c418fe547558f09123b0d51b57b9ea5d3

  • SHA256

    7454bd6677d0c02c5d67a4727f17b74a43a0a0f3a22228721e07a0e820e3cd15

  • SHA512

    640e325dc925919359bd9b35019469c148f75bef28ceecb1963e89d5881f49d673be08dd0f1d2f96cd40153b4b0bc53a44a09d4738ce78eb4bd85f78ab67a641

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZYUf:c8y93KQjy7G55riF1cMo03Kg

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e8e070b686744b5c7d08171d4c3b6d0N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e8e070b686744b5c7d08171d4c3b6d0N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4032
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 700
        3⤵
        • Program crash
        PID:2288
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4032 -ip 4032
    1⤵
      PID:1116
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=2820,i,10369132178352108590,11047993562598554317,262144 --variations-seed-version --mojo-platform-channel-handle=3760 /prefetch:8
      1⤵
        PID:3108

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4032-0-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB

      • memory/4032-1-0x0000000010000000-0x0000000010030000-memory.dmp

        Filesize

        192KB