Analysis

  • max time kernel
    139s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/05/2024, 06:23

General

  • Target

    $PLUGINSDIR/nsArray.dll

  • Size

    6KB

  • MD5

    6206b94f91e92b7f7f72214c438dd414

  • SHA1

    09281ee4a76aa7dce016e7476ce33aa74246a0c6

  • SHA256

    b15de38c9d72eef3c8ac9336c39debb10edc8e4a26bcc32b319f6ae8c9141380

  • SHA512

    502bedef4fe934c74903ea01036fc265b950a8bb4927f6b285926ff53140fa8a78f37bc7e39a8de8ccde0ba6cdf9d0f512379c9fef86ad60192ed4b447c00fd0

  • SSDEEP

    96:QVtJ0bb2EKqyp//c6fbQ2Pz9AqgCLAk9F5LeT2b8HIK/O0iRxGQFIfA7gfMxLfA0:QGbQvp3c6/PwCLAk90K8DysQf0M2dja

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:432
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
      2⤵
        PID:4084
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 600
          3⤵
          • Program crash
          PID:2452
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4084 -ip 4084
      1⤵
        PID:2832
      • 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 --no-appcompat-clear --field-trial-handle=4252,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4404 /prefetch:8
        1⤵
          PID:4692

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4084-0-0x00000000750E0000-0x00000000750EA000-memory.dmp

          Filesize

          40KB

        • memory/4084-2-0x00000000750E0000-0x00000000750EA000-memory.dmp

          Filesize

          40KB