Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 22:30

General

  • Target

    67fbec9b6576f967be0c088b209232e7.exe

  • Size

    46KB

  • MD5

    67fbec9b6576f967be0c088b209232e7

  • SHA1

    bd3e79b8ec9bd9cc4aaaa276097e03f7fa26f813

  • SHA256

    40541150d39975c60a7187ad81fe20ecf1525a8831ede5c735af2bb68cea4365

  • SHA512

    f0de99a297f4e2eceb89dfc4c583dda1932f150807b60f16a6537a4fa51b413ed77ceb38567950c1a4f642e0a0f3516c977f489bb6e045a7c3e789d767eb960c

  • SSDEEP

    768:J2zFjEXzmm86zx4KwEjq90PGTRYi6yqqAMxkElBdVS:MFeB4K9q90+TR7Bxx

Malware Config

Extracted

Family

purecrypter

C2

http://futilloiu.duckdns.org/byfronbypass.html/css/mss/Usokw.wav

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\67fbec9b6576f967be0c088b209232e7.exe
    "C:\Users\Admin\AppData\Local\Temp\67fbec9b6576f967be0c088b209232e7.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2168

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2168-0-0x000001B22FA40000-0x000001B22FA4A000-memory.dmp

    Filesize

    40KB

  • memory/2168-1-0x00007FFD6C170000-0x00007FFD6CC31000-memory.dmp

    Filesize

    10.8MB

  • memory/2168-2-0x000001B249EE0000-0x000001B249EF0000-memory.dmp

    Filesize

    64KB

  • memory/2168-3-0x00007FFD6C170000-0x00007FFD6CC31000-memory.dmp

    Filesize

    10.8MB