Analysis

  • max time kernel
    153s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-03-2024 04:13

General

  • Target

    66cbbeae5d9afbae6cffca41b5bfcc0f3e5fa2bd9746692796710e3425d78b5f.dll

  • Size

    148KB

  • MD5

    da8dfcdd945c9dba6018a4a5c72bc06c

  • SHA1

    fbce06e8277c1986ef3d523638b3c4c05e34143f

  • SHA256

    66cbbeae5d9afbae6cffca41b5bfcc0f3e5fa2bd9746692796710e3425d78b5f

  • SHA512

    9f09a6109f7ee7fef22f05d62934171268420d79448fb2945e8d34cbf927521299216b12a87613a513158a54cc2f52eb84a3cda708bf5fb303125c9f2aa9f334

  • SSDEEP

    3072:f3icefNthmdVglJIOVwAdW/zI9lAvBNDs+PMsBQLAaY9:Pi54dVglJW89lytPzBQLU

Score
10/10

Malware Config

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

  • Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\66cbbeae5d9afbae6cffca41b5bfcc0f3e5fa2bd9746692796710e3425d78b5f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5004
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\66cbbeae5d9afbae6cffca41b5bfcc0f3e5fa2bd9746692796710e3425d78b5f.dll,#1
      2⤵
        PID:1324
    • 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=4156 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:1868

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1324-0-0x0000000010000000-0x0000000010029000-memory.dmp

        Filesize

        164KB