Overview

overview

7

Static

static

3

ExeLock.exe

windows10-2004-x64

7

ExeLock.exe

windows11-21h2-x64

7

Resubmissions

02/07/2025, 04:35

250702-e763qshk417

02/07/2025, 04:29

250702-e39m3asset7

Analysis

  • max time kernel
    141s
  • max time network
    103s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02/07/2025, 04:29

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General

  • Target
    ExeLock.exe
  • Size 1.3MB
  • Sample250702-e39m3asset
  • SHA256 81e66721d27805184cdfc798b8fd0fa2c9ba7a5e65b040fb2c52071d61fc86e1
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
discoveryspywarestealerupx

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Checks installed software on the system 1 TTPs

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

    discovery
  • UPX packed file 1 IoCs

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

    upx
  • Drops file in Program Files directory 14 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

    discovery
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ExeLock.exe
    "C:\Users\Admin\AppData\Local\Temp\ExeLock.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5688
    • C:\Users\Admin\AppData\Local\Temp\is-0HV22.tmp\is-CI6K7.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-0HV22.tmp\is-CI6K7.tmp" /SL4 $4017E "C:\Users\Admin\AppData\Local\Temp\ExeLock.exe" 1044714 52224
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5992
      • C:\Program Files (x86)\ExeLock\ExeLock_EN.exe
        "C:\Program Files (x86)\ExeLock\ExeLock_EN.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:5912
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Program Files\Google\Chrome\Application\__chrome.exe
      __chrome.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:5080
  • C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe
    "C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe"
    1⤵
      PID:5004

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          ExeLock_EN.exe
          • Path C:\Program Files (x86)\ExeLock\ExeLock_EN.exe
          • Size 2.3MB
          • SHA256 9ee05c51eddfb23bcdf29f0938cccd6f11f095e5fbef02a5387753a91029da49
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          __chrome.exe
          • Path C:\Program Files\Google\Chrome\Application\__chrome.exe
          • Size 3.2MB
          • SHA256 540cd6fba25c7dfd9f324d4170e3b2223bd733dcd494ce35257a5871a4923aa0
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          chrome.exe_
          • Path C:\Program Files\Google\Chrome\Application\chrome.exe_
          • Size 3.5MB
          • SHA256 8215561a4507c583064c968ebc240d293305ca55428209a99969703475e4d218
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          data_1
          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\DawnWebGPUCache\data_1
          • Size 264KB
          • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          Local State
          • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
          • Size 82KB
          • SHA256 51ccb286a4e7673b04250bdee58aa8b19843d11681c8e05e6539cd188794fc59
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          is-CI6K7.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\is-0HV22.tmp\is-CI6K7.tmp
          • Size 647KB
          • SHA256 5c6b8a1ab73cd03140040a3093e0d8466c666cd3fe17e8660dbc1a30d0b6f925
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          memory/5688-42-0x0000000000400000-0x0000000000413000-memory.dmp
          Download

          memory/5688-15-0x0000000000400000-0x0000000000413000-memory.dmp
          Download

          memory/5688-2-0x0000000000400000-0x0000000000413000-memory.dmp
          Download

          memory/5688-0-0x000000000040C000-0x000000000040D000-memory.dmp
          Download

          memory/5912-52-0x0000000000400000-0x0000000000662000-memory.dmp
          Download

          memory/5912-50-0x0000000000400000-0x0000000000662000-memory.dmp
          Download

          memory/5912-69-0x0000000000400000-0x0000000000662000-memory.dmp
          Download

          memory/5912-43-0x0000000000400000-0x0000000000662000-memory.dmp
          Download

          memory/5912-44-0x0000000000400000-0x0000000000662000-memory.dmp
          Download

          memory/5912-45-0x0000000000400000-0x0000000000662000-memory.dmp
          Download

          memory/5912-48-0x0000000000400000-0x0000000000662000-memory.dmp
          Download

          memory/5912-51-0x0000000000400000-0x0000000000662000-memory.dmp
          Download

          memory/5992-41-0x0000000000400000-0x00000000004B0000-memory.dmp
          Download

          memory/5992-16-0x0000000000400000-0x00000000004B0000-memory.dmp
          Download

          memory/5992-14-0x0000000000400000-0x00000000004B0000-memory.dmp
          Download

          memory/5992-8-0x0000000000400000-0x00000000004B0000-memory.dmp
          Download

          memory/5992-33-0x0000000000400000-0x00000000004B0000-memory.dmp
          Download

          memory/5992-7-0x0000000000400000-0x00000000004B0000-memory.dmp
          Download

          memory/5992-18-0x0000000000400000-0x00000000004B0000-memory.dmp
          Download