Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-06-2024 01:15

General

  • Target

    New_June_Inquiry_List_pdf.exe

  • Size

    16KB

  • MD5

    591e267c3c3fc95e1b84ee7843020a21

  • SHA1

    45f9b427710eac28329970920abf210cc69756eb

  • SHA256

    c522f03de2ed9ba6ab245531894530cbccdf2f32feade620101554f8cec45343

  • SHA512

    4cb9933d4a834757c62d2b64456fa6883a6e240aa1510e47c0f971acc1098d49921d48b9fd52554c0e4c33331612c030172b1224ebdf00501037e1793fa8288f

  • SSDEEP

    384:zJWPGVN7vW2AKzfqtCjVE8Oe9+XDunbDG3WqylW:zJW4nTqWEDDunXGu

Malware Config

Extracted

Family

purecrypter

C2

https://ipedpk.com/Trashh/Ckklfnqgat.mp4

Signatures

  • PureCrypter

    PureCrypter is a .NET malware loader first seen in early 2021.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New_June_Inquiry_List_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\New_June_Inquiry_List_pdf.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4660
  • 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=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:408

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4660-0-0x00000000751EE000-0x00000000751EF000-memory.dmp

      Filesize

      4KB

    • memory/4660-1-0x0000000000210000-0x000000000021A000-memory.dmp

      Filesize

      40KB

    • memory/4660-2-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/4660-3-0x00000000751EE000-0x00000000751EF000-memory.dmp

      Filesize

      4KB

    • memory/4660-4-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB