Analysis

  • max time kernel
    140s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/06/2024, 16:45

General

  • Target

    $PLUGINSDIR/nsUnzip.dll

  • Size

    146KB

  • MD5

    77a26c23948070dc012bba65e7f390aa

  • SHA1

    7e112775770f9b3b24e2a238b5f7c66f8802e5d8

  • SHA256

    4e4e429ecf1c49119a21c817899f64152b03b41b036fc1d92aee335043364c43

  • SHA512

    2e7ffa4ed5c97f555e1b0d6f55ffcfd53cd28302fc77d95fdaea89e0b6b42e67e366331e52358e78e8266d079cc2ca3ea4c909197fb38a5b4c8151c7678d0065

  • SSDEEP

    3072:3imoHcJg67rm+2X7jiYwJAmcxaw2VvnCNizd9XER4I6CAZJPtAY3:3I8Jlrm7SnjCNizdhER4I3kP3

Score
3/10

Malware Config

Signatures

  • 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\nsUnzip.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1188
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsUnzip.dll,#1
      2⤵
        PID:4660
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4660 -s 612
          3⤵
          • Program crash
          PID:2320
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4660 -ip 4660
      1⤵
        PID:1264
      • 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 --mojo-platform-channel-handle=4264 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:3880

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads