Overview

overview

7

Static

static

3

Bruteforce...er.exe

windows11-21h2-x64

7

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    94s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    21/04/2026, 19:20

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General

  • Target
    Bruteforce_Save_Data_installer.exe
  • Size 6.7MB
  • Sample260421-x2eqeaa16j
  • SHA256 8e2aa559b2b51f2fff145ca5bfe988e2ac35fdd50cf5b0c40a0372e9af605e66
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoveryupx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Drops file in System32 directory 3 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

    discovery
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bruteforce_Save_Data_installer.exe
    "C:\Users\Admin\AppData\Local\Temp\Bruteforce_Save_Data_installer.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1180
    • C:\Program Files (x86)\Bruteforce Save Data\BruteforceSaveData.exe
      "C:\Program Files (x86)\Bruteforce Save Data\BruteforceSaveData.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1708
  • C:\Program Files (x86)\Bruteforce Save Data\BruteforceSaveData.exe
    "C:\Program Files (x86)\Bruteforce Save Data\BruteforceSaveData.exe"
    1⤵
    • Executes dropped EXE
    PID:3580

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        BruteforceSaveData.exe
        • Path C:\Program Files (x86)\Bruteforce Save Data\BruteforceSaveData.exe
        • Size 262KB
        • SHA256 e7af834417efb8fe3585a0309e6db94ea65fa9857a4cb206dbe0f13174d0fa5b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        InstallOptions.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nst15C5.tmp\InstallOptions.dll
        • Size 12KB
        • SHA256 e2f63aea3f1ff6d8f075a2a8d386acbd4888c08b01b7cf5ffdc3b1570d2f2109
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        KillProcDLL.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nst15C5.tmp\KillProcDLL.dll
        • Size 32KB
        • SHA256 ae2f1658656e554f37e6eac896475a3862841a18ffc6fad2754e2d3525770729
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        StartMenu.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nst15C5.tmp\StartMenu.dll
        • Size 6KB
        • SHA256 48e56cab409e9d707c8f6ca20450069bb4fbac495279fdbd60c5e65272c584a0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ioSpecial.ini
        • Path C:\Users\Admin\AppData\Local\Temp\nst15C5.tmp\ioSpecial.ini
        • Size 655B
        • SHA256 b9481bb2d31755bd1afd0a9b7799fb4a647db6e45afd7e987f7a5a7f3d64a1ed
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        ioSpecial.ini
        • Path C:\Users\Admin\AppData\Local\Temp\nst15C5.tmp\ioSpecial.ini
        • Size 668B
        • SHA256 f1baa368f1a11c27e14e8e74ce3203be024ee6eb4d02ae574414ede9fee8543e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        MSCOMCTL.OCX
        • Path C:\Windows\SysWOW64\MSCOMCTL.OCX
        • Size 544KB
        • SHA256 ef62ce67d9970647dfc7e461243bf28d87b62bb18501608b2852dbf3ba525021
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1180-75-0x0000000000AE0000-0x0000000000C2D000-memory.dmp
        Download

        memory/1180-1719-0x0000000027580000-0x00000000276B4000-memory.dmp
        Download

        memory/1180-1836-0x0000000000AE0000-0x0000000000C2D000-memory.dmp
        Download

        memory/1708-1830-0x0000000000400000-0x000000000056A000-memory.dmp
        Download

        memory/1708-1838-0x0000000000400000-0x000000000056A000-memory.dmp
        Download