Analysis

  • max time kernel
    92s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-07-2024 12:50

General

  • Target

    41bca0b1de92c162838eb324d047563b_JaffaCakes118.exe

  • Size

    74KB

  • MD5

    41bca0b1de92c162838eb324d047563b

  • SHA1

    142ca54bef72fcedbd0bea81054966feeb912576

  • SHA256

    2eacf1b6a5a9477bb5a968bec79f11adecacd0b9a9cce83d7fd3c93adf4e3069

  • SHA512

    bd8aa76b612064dd25c44372011db14d5705811cabf2c6c725a05b4ca142d5e4f20f6d0a43e47dd994d8852b066035e5b98acad287ee6d448273fa5a8a857399

  • SSDEEP

    1536:x0/5u5fejAeXpmFM0pJAvckOXw72AtY4fAcK:C/cfpesFM02BY4fs

Malware Config

Extracted

Family

purecrypter

C2

https://store2.gofile.io/download/56e43684-e752-4269-bee5-fa1605761a88/Avquon.dll

Signatures

  • PureCrypter

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

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41bca0b1de92c162838eb324d047563b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\41bca0b1de92c162838eb324d047563b_JaffaCakes118.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4992
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 1776
      2⤵
      • Program crash
      PID:3592
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4992 -ip 4992
    1⤵
      PID:3364

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4992-0-0x00000000751FE000-0x00000000751FF000-memory.dmp

      Filesize

      4KB

    • memory/4992-1-0x0000000000D90000-0x0000000000DA8000-memory.dmp

      Filesize

      96KB

    • memory/4992-2-0x00000000751F0000-0x00000000759A0000-memory.dmp

      Filesize

      7.7MB

    • memory/4992-3-0x00000000751F0000-0x00000000759A0000-memory.dmp

      Filesize

      7.7MB