Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-07-2024 22:53

General

  • Target

    472133e13a9b510ccd555a4ea86e482c_JaffaCakes118.exe

  • Size

    9KB

  • MD5

    472133e13a9b510ccd555a4ea86e482c

  • SHA1

    2b7ec60ea548c8cdb013db202922d19a652e6371

  • SHA256

    49f684229ae0a07d377b454d605f238e386517c3e734f9a923ef069b8d9e0c23

  • SHA512

    7a0470fad5710b5a7bd417232dfb5bf48d4d4762d4e35d1872591971e2e85ac0310329611bee488ed6224cfda9d5f9b993f300f68157be950c9d8e8d0bf4afde

  • SSDEEP

    192:i9VOPth6XEVQIWZGKBGjAEsssssskBiZWkFWN:eOPtIXEVQIWZ7dd8WkFW

Malware Config

Extracted

Family

purecrypter

C2

https://store2.gofile.io/download/25bc99c8-d5d3-411e-a455-7a7ada55c81d/Uznplbwysqwjwkkocjyge.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\472133e13a9b510ccd555a4ea86e482c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\472133e13a9b510ccd555a4ea86e482c_JaffaCakes118.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1924
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 1776
      2⤵
      • Program crash
      PID:3324
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1924 -ip 1924
    1⤵
      PID:4928

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1924-0-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

      Filesize

      4KB

    • memory/1924-1-0x0000000000C10000-0x0000000000C18000-memory.dmp

      Filesize

      32KB

    • memory/1924-2-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB

    • memory/1924-3-0x0000000074C80000-0x0000000075430000-memory.dmp

      Filesize

      7.7MB