Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    18-02-2025 08:56

General

  • Target

    Bootstrapper.exe

  • Size

    339KB

  • MD5

    fa69bf7d10c3b170e62a858ed37dae86

  • SHA1

    8dd6f73f10ea074e7c0885efbc0656adbaf22164

  • SHA256

    97804a112500c22565e2c53d0f57db2a39210c08d2cfaab294294ebf268cc374

  • SHA512

    5f5c8324d9c2e937fd7ed7f9a11706bc23f0f62362d47c97b8836a1f71d4ac0f938153a271f2e077330dccea1206582563291de748d61d1a806d959129468275

  • SSDEEP

    6144:PgKasiALqxCcuUdsuAWoXhslQonB6x90cy83A/pHPNMibcWhRNTkM5Sp:WJCcfTAxsl9+91A/1yEhRRkp

Malware Config

Signatures

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe
      "C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2804
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 560
      2⤵
      • Program crash
      PID:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2804-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2804-7-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2804-16-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2804-11-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2804-15-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2804-13-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2804-4-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2804-8-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2804-5-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2804-6-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/3052-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

    Filesize

    4KB

  • memory/3052-14-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB

  • memory/3052-1-0x0000000000150000-0x00000000001AC000-memory.dmp

    Filesize

    368KB

  • memory/3052-2-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB

  • memory/3052-17-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB