Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-04-2024 15:54

General

  • Target

    01216bca227a81a152b9796d2d0f66ab_JaffaCakes118.exe

  • Size

    208KB

  • MD5

    01216bca227a81a152b9796d2d0f66ab

  • SHA1

    c463d0f6574605d23bfc66c3d3e42595c13d50f3

  • SHA256

    e8b306a0c742d34f976c7af1ee7a63fe65f2c2403fe5fc1eced82848f07fd1b3

  • SHA512

    6239d03a39ed6dfde7327a712adfcb5a97d358c820f9ccf98fef72f5dd3ea2083fbaa6f61473df1d202b7173e7dc50969f02588fa52945f2bec3d39ae9e97e9a

  • SSDEEP

    3072:qs6XG+smdcLzMexSApk7vXtyTnz0M1QmLipV32FZsR/MPV09Q6u:EXtGXMeVot+4M1QmLi/GFmR/M2Z

Malware Config

Extracted

Family

smokeloader

Version

2017

C2

http://securityupdateserver3.com/blog/wp.php

http://securityupdateserver4.com/blog/wp.php

http://securityupdateserver5.com/blog/wp.php

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Deletes itself 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01216bca227a81a152b9796d2d0f66ab_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\01216bca227a81a152b9796d2d0f66ab_JaffaCakes118.exe"
    1⤵
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4584
    • C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      2⤵
      • Adds policy Run key to start application
      • Deletes itself
      PID:4764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4584-14-0x0000000000420000-0x000000000042A000-memory.dmp

    Filesize

    40KB

  • memory/4584-17-0x0000000075600000-0x000000007575D000-memory.dmp

    Filesize

    1.4MB

  • memory/4584-4-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/4584-5-0x0000000000420000-0x000000000042A000-memory.dmp

    Filesize

    40KB

  • memory/4584-7-0x0000000075600000-0x000000007575D000-memory.dmp

    Filesize

    1.4MB

  • memory/4584-2-0x0000000000400000-0x0000000000404000-memory.dmp

    Filesize

    16KB

  • memory/4584-3-0x0000000077941000-0x0000000077A61000-memory.dmp

    Filesize

    1.1MB

  • memory/4764-10-0x0000000000CA0000-0x00000000010D3000-memory.dmp

    Filesize

    4.2MB

  • memory/4764-13-0x0000000000B50000-0x0000000000B5A000-memory.dmp

    Filesize

    40KB

  • memory/4764-8-0x0000000000CA0000-0x00000000010D3000-memory.dmp

    Filesize

    4.2MB

  • memory/4764-11-0x0000000000B50000-0x0000000000B5A000-memory.dmp

    Filesize

    40KB

  • memory/4764-22-0x0000000000B50000-0x0000000000B5A000-memory.dmp

    Filesize

    40KB

  • memory/4764-21-0x0000000000B50000-0x0000000000B5A000-memory.dmp

    Filesize

    40KB

  • memory/4764-25-0x0000000000B50000-0x0000000000B5A000-memory.dmp

    Filesize

    40KB