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Analysis

  • max time kernel
    124s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/09/2024, 11:06

General

  • Target

    AutoMail/mx9x.dll

  • Size

    64KB

  • MD5

    bab8471a1c71739b935ec2754a5956a4

  • SHA1

    6ad1aee2d1b4c45c1634516f6f5189d5e33d3643

  • SHA256

    b3c1aca97c64b64c279ddef881ca340e9d12ae5da269780aad806f7370ca76ec

  • SHA512

    6a21ab6013fdf001b9b915bf86600f858b40a84b62cd994530177fd196a6cf9afa7e93d6825e6338c3ab3824d0e21c9d62cf19e1a95a8526d7925918a56a27f7

  • SSDEEP

    1536:hoNNNrKuRFBzYLKQ9AtAFip1DG5qUGjKFT3T+V3:houuRFBzYLVipM5qUcK9yl

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • 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 WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\AutoMail\mx9x.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1500
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\AutoMail\mx9x.dll,#1
      2⤵
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      PID:2808
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 792
        3⤵
        • Program crash
        PID:4156
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2808 -ip 2808
    1⤵
      PID:4480
    • 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=3036,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=4188 /prefetch:8
      1⤵
        PID:732

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads