Overview

overview

7

Static

static

3

luvletter.exe

windows10-2004-x64

7

luvletter.exe

windows11-ltsc_2024-x64

7

Analysis

  • user interaction
    yes
  • max time kernel
    103s
  • max time network
    106s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/10/2026, 23:44

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General

  • Target
    luvletter.exe
  • Size 9.5MB
  • Sample261030-3rhl7sts2p
  • SHA256 1352adc888cfeaae66aa6ade0410d96d01bd6b6d616f7becd5d3a9ad6490c04c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discovery

Malware Config

Signatures

  • Loads dropped DLL 12 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\luvletter.exe
    "C:\Users\Admin\AppData\Local\Temp\luvletter.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4668
    • C:\Users\Admin\AppData\Local\Temp\luvletter.exe
      "C:\Users\Admin\AppData\Local\Temp\luvletter.exe"
      2⤵
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4924

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000123c2\VCRUNTIME140.dll
        • Size 174KB
        • SHA256 d1f4225df2cd877dbf130d5668a021dce3f94118455ff5ec952061c30afc9ce7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _bz2.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000123c2\_bz2.pyd
        • Size 86KB
        • SHA256 b938073c85cf6b9fe80556d7899ed1901e5e60b7adea2832442376239fb36b36
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _hashlib.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000123c2\_hashlib.pyd
        • Size 67KB
        • SHA256 5933ef5eda7c0bca0b3874a6e2c5f13b91b8f2cfc29bc46160df3212a1dbee79
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _lzma.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000123c2\_lzma.pyd
        • Size 157KB
        • SHA256 d2abf8db7fb0cf6285663b177991691a41b37e215c3d71fd087a98d8ec1bee63
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _socket.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000123c2\_socket.pyd
        • Size 85KB
        • SHA256 02265dd0d0287f3ffd287ea5d8e3c918a5a056e8ef2c4529857f5e84ec9e2519
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ssl.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000123c2\_ssl.pyd
        • Size 186KB
        • SHA256 4cfb154c7cc525d57020c0e64f2dd876a78b46cd38419446392478de6b7b13b8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _zstd.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000123c2\_zstd.pyd
        • Size 491KB
        • SHA256 33c6eca99470c3eb9d776b617c550ad41b002a668336f062a9ab7be677a7409a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        base_library.zip
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000123c2\base_library.zip
        • Size 1.3MB
        • SHA256 aaeded59ced92dbd3903944d5a243745a07ec48d3ed411088c341f5ea62c3454
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libcrypto-3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000123c2\libcrypto-3.dll
        • Size 6.0MB
        • SHA256 53c529145339fb042a3dcd3a09c2d7753204f8b4fc79d99e0d31e69a33985958
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libssl-3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000123c2\libssl-3.dll
        • Size 1.3MB
        • SHA256 b17a87979862d19241edc4318f967e24c3ec356ed6c2368f561179fab2311001
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python314.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000123c2\python314.dll
        • Size 6.5MB
        • SHA256 0f9857ffdfe010fe6b99328d58c2e3c7472ce75f336bf9c2ad9bd5bca3bce700
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ucrtbase.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000123c2\ucrtbase.dll
        • Size 1.3MB
        • SHA256 3088326cb0fe5b5646e02c7b2de71ae363fcd26a0000cf32209c8bed05a7a866
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        unicodedata.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000123c2\unicodedata.pyd
        • Size 741KB
        • SHA256 280b09bd97b598d18c0ed9542dc18ed35fa57a16e84f8e65fd9c6e96516c28d6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download