Analysis

  • max time kernel
    139s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/08/2024, 08:05

General

  • Target
    9d92eac2b25165ab5f82ca4118ae6a9f_JaffaCakes118.exe
  • Size 18KB
  • Sample240816-jy5krsteqa
  • SHA256 e9d7e3b14fe2fa512bd8e7d1c9e444cd6293e454677c14d8dceb4958fa24a13e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • purecrypter

C2
  • https://store2.gofile.io/download/50a4adeb-19a4-4365-b358-92edbd1c702c/Pajoibg.dll

Signatures

  • PureCrypter

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d92eac2b25165ab5f82ca4118ae6a9f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9d92eac2b25165ab5f82ca4118ae6a9f_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:804
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 804 -s 1776
      2⤵
      • Program crash
      PID:4956
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 804 -ip 804
    1⤵
      PID:1008

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/804-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

          memory/804-1-0x0000000000250000-0x000000000025A000-memory.dmp

          memory/804-2-0x0000000074EE0000-0x0000000075690000-memory.dmp

          memory/804-3-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

          memory/804-4-0x0000000074EE0000-0x0000000075690000-memory.dmp

          memory/804-5-0x0000000074EE0000-0x0000000075690000-memory.dmp