Analysis

  • user interaction
    yes
  • max time kernel
    107s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/10/2026, 23:44

General

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

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.

  • 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:4908
    • 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:2812
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4800

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          VCRUNTIME140.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\VCRUNTIME140.dll
          • Size 174KB
          • SHA256 d1f4225df2cd877dbf130d5668a021dce3f94118455ff5ec952061c30afc9ce7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _bz2.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\_bz2.pyd
          • Size 86KB
          • SHA256 b938073c85cf6b9fe80556d7899ed1901e5e60b7adea2832442376239fb36b36
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _decimal.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\_decimal.pyd
          • Size 284KB
          • SHA256 bc3a61685825ae37a4cd2b2b87fa27af12e01575c4f920788ea806e6781a2c79
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _hashlib.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\_hashlib.pyd
          • Size 67KB
          • SHA256 5933ef5eda7c0bca0b3874a6e2c5f13b91b8f2cfc29bc46160df3212a1dbee79
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _lzma.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\_lzma.pyd
          • Size 157KB
          • SHA256 d2abf8db7fb0cf6285663b177991691a41b37e215c3d71fd087a98d8ec1bee63
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _socket.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\_socket.pyd
          • Size 85KB
          • SHA256 02265dd0d0287f3ffd287ea5d8e3c918a5a056e8ef2c4529857f5e84ec9e2519
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _ssl.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\_ssl.pyd
          • Size 186KB
          • SHA256 4cfb154c7cc525d57020c0e64f2dd876a78b46cd38419446392478de6b7b13b8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _zstd.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\_zstd.pyd
          • Size 491KB
          • SHA256 33c6eca99470c3eb9d776b617c550ad41b002a668336f062a9ab7be677a7409a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-console-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-console-l1-1-0.dll
          • Size 21KB
          • SHA256 880cb1680bf1977aa232cccb59a49dc9d3708d940af0f0a9029734216a6dc2bb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-datetime-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-datetime-l1-1-0.dll
          • Size 21KB
          • SHA256 d5bcedb99014c6d0993eb76af35ac16e820969ecfb149f19b75d02d603dd52a9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-debug-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-debug-l1-1-0.dll
          • Size 21KB
          • SHA256 7c8276339755acd397f44b7affa938103ea72966d4c066a4cdc259bc0e8500fe
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-errorhandling-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-errorhandling-l1-1-0.dll
          • Size 21KB
          • SHA256 0c06dfc6cd7d358b58ea4e6af0cb54e0469bb89d5b2a12c187fc788f9543741f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-fibers-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-fibers-l1-1-0.dll
          • Size 21KB
          • SHA256 804c3ae2c3dc033bdc5beec45cb369c8470c0d9a790bed79b05ae93cdad83460
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-fibers-l1-1-1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-fibers-l1-1-1.dll
          • Size 21KB
          • SHA256 0456c30ee2124ebe7788cd7c41a96a8ce8f5c18e4f28c782e1be4b9852c5b0b0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-file-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-file-l1-1-0.dll
          • Size 25KB
          • SHA256 7645683e443ba242e8ae03fa8241aaec1c304bbb3b6eacd5897f85846d98e2c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-file-l1-2-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-file-l1-2-0.dll
          • Size 21KB
          • SHA256 b2c7cb7d8cc4d78d3aeaa33be5f37fa72c8dacdafb9259e2ab9c633eb4523221
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-file-l2-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-file-l2-1-0.dll
          • Size 21KB
          • SHA256 cf9bbd97661a1bafe171e5f9fc1edf7f172da0bc6424e1b68550455196a0a049
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-handle-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-handle-l1-1-0.dll
          • Size 21KB
          • SHA256 a6a86eed6c1b67723d66b8715bc148e45650f3017c2a22d35ae2b06348a4b8e0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-heap-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-heap-l1-1-0.dll
          • Size 21KB
          • SHA256 81cae96e0876aa0b5242e2acc6014b5c51f811389979d7dc583d3cb9374e549c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-interlocked-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-interlocked-l1-1-0.dll
          • Size 21KB
          • SHA256 bcb5b0ec15fd59cf19d5ffc490a40d907c1f320c3a5f2b9570c24bf62d8c43d6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-kernel32-legacy-l1-1-1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-kernel32-legacy-l1-1-1.dll
          • Size 21KB
          • SHA256 d3667ed353e1548c8833280e50834b634b9775d15d25ce0511d2b385d7a607a8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-libraryloader-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-libraryloader-l1-1-0.dll
          • Size 21KB
          • SHA256 007305876bdf0472c403ddcf8c1f8a0d3831427e06ddfaea8e40aaaa8d870384
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-localization-l1-2-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-localization-l1-2-0.dll
          • Size 21KB
          • SHA256 058a3bcb3c1e463bce5c1990c369600dcca924f1b0aac87dde15f10c00fb4aaf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-memory-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-memory-l1-1-0.dll
          • Size 21KB
          • SHA256 b27f216be782ad764c881d45612838efe3e4ee34ac8a7171319d6d42c0bee37b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-namedpipe-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-namedpipe-l1-1-0.dll
          • Size 21KB
          • SHA256 9054404f0aff7ac16d86f672117715047ec1d2797a47ed44bdcb2fbb022421c5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-processenvironment-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-processenvironment-l1-1-0.dll
          • Size 21KB
          • SHA256 1ec7a2a06577bb6781fbd3e32176de34e22692134e79ed3b478bde9048c007f9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-processthreads-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-processthreads-l1-1-0.dll
          • Size 21KB
          • SHA256 dd41abec22841140f58ee12b60f825d72bdb7b6c61765c4465c10dcb6072373e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-processthreads-l1-1-1.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-processthreads-l1-1-1.dll
          • Size 21KB
          • SHA256 0203d7ebe58d19216f53812a8944044c663df83ad118fc3e308dfe8a694774fe
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-profile-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-profile-l1-1-0.dll
          • Size 21KB
          • SHA256 c4f24e945d3cb6362ac6cc396b8d235f16308c80831770e2b8b72456330fb475
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-rtlsupport-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-rtlsupport-l1-1-0.dll
          • Size 21KB
          • SHA256 e93bcae3cce38e176e7cda2d3f83c04aee03288062fb2a111468ec2fbc641bbb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-string-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-string-l1-1-0.dll
          • Size 21KB
          • SHA256 8eb1da72518c92b2250e16e5fcf221bcc3febdcb9294f6830f3034756d44aae9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-synch-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-synch-l1-1-0.dll
          • Size 21KB
          • SHA256 5f2c9c688fcba002f7dd0ffcb22b213402a3f18fa5cede2a0a6d960a614ab6f6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-synch-l1-2-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-synch-l1-2-0.dll
          • Size 21KB
          • SHA256 7bd60aee2db91901c5804c6c69f9d877727bd8cddec30bcd047bc3afec5d8852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-sysinfo-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-sysinfo-l1-1-0.dll
          • Size 21KB
          • SHA256 0eea540b635eadae0d4fd77d72438d8f49658bc6433253babf99fdf1fe3aec0a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-sysinfo-l1-2-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-sysinfo-l1-2-0.dll
          • Size 21KB
          • SHA256 f03792b75b79cd3ed91953c2960019e5b5d331dd5bad713b617cd3ec8d3150fb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-timezone-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-timezone-l1-1-0.dll
          • Size 21KB
          • SHA256 ef80d454da25256a4c5af5322ced313867576978e8201ec0946eac21d44fe637
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-core-util-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-core-util-l1-1-0.dll
          • Size 21KB
          • SHA256 910f94a276ac11a8f2721a5bdaf25c2089d2c5fa83fa593b05dbb0f5b00b6d27
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-conio-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-crt-conio-l1-1-0.dll
          • Size 21KB
          • SHA256 d306cb07db31e3d74d2c79891e8c861feaa13e8dfa5d1ce042cd777ea1566b0a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-convert-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-crt-convert-l1-1-0.dll
          • Size 25KB
          • SHA256 81f4b3cd11611aeaa94171ebc1079e501ec247e8da6c113e6c81a3877acca15d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-environment-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-crt-environment-l1-1-0.dll
          • Size 21KB
          • SHA256 1884872dbbe89023100d7f15e7b3a3eac16c3c8e3c103016c87c223bdc60ba7a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-filesystem-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-crt-filesystem-l1-1-0.dll
          • Size 21KB
          • SHA256 54545d0571542469e80141d18e1af3c5185f6ce849478f1bd829f53703a92ae1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-heap-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-crt-heap-l1-1-0.dll
          • Size 21KB
          • SHA256 0d69f5d5720655dd15172949e379dce5dc364e1920f6fcab8f809aed7ed2ce9c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-locale-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-crt-locale-l1-1-0.dll
          • Size 21KB
          • SHA256 7d49900ca3815f1737b10e0c7e603dde326053d56e89139c41eae3d27dec7d8b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-math-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-crt-math-l1-1-0.dll
          • Size 29KB
          • SHA256 a991ecd3b528f586274c638cdfa196454f2bccca70692652867bf224f7cc6258
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-process-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-crt-process-l1-1-0.dll
          • Size 21KB
          • SHA256 95a4f71991dc98393a69a56c3562f38882a9842daeb7f905e49d9b40a1ea5e38
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-runtime-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-crt-runtime-l1-1-0.dll
          • Size 25KB
          • SHA256 09b320d575b456b1199e4e2b09d34d4200fb8146b297ca78d06d80e9158a45e0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-stdio-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-crt-stdio-l1-1-0.dll
          • Size 25KB
          • SHA256 4e72f645f47abae98427b4ce8c510f96112c16e640721ce3f82d3619eb3961a8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-string-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-crt-string-l1-1-0.dll
          • Size 25KB
          • SHA256 265c87b9a63420de788ba7855e847b4eb794c4256080eeacf64b81e70af889cd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-time-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-crt-time-l1-1-0.dll
          • Size 21KB
          • SHA256 ac90c44b194135bf555ac7df2405d443da87e1374e5b5bb408a2761a9bc63e3d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          api-ms-win-crt-utility-l1-1-0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\api-ms-win-crt-utility-l1-1-0.dll
          • Size 21KB
          • SHA256 3fc3564e2276e8149856e74f59f594549d017a3a967ea66450e1c04af8768bc8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          base_library.zip

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\base_library.zip
          • Size 1.3MB
          • SHA256 aaeded59ced92dbd3903944d5a243745a07ec48d3ed411088c341f5ea62c3454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libcrypto-3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\libcrypto-3.dll
          • Size 6.0MB
          • SHA256 53c529145339fb042a3dcd3a09c2d7753204f8b4fc79d99e0d31e69a33985958
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libssl-3.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\libssl-3.dll
          • Size 1.3MB
          • SHA256 b17a87979862d19241edc4318f967e24c3ec356ed6c2368f561179fab2311001
          • MD5 SHA1 SHA512 SSDEEP TLSH

          python314.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\python314.dll
          • Size 6.5MB
          • SHA256 0f9857ffdfe010fe6b99328d58c2e3c7472ce75f336bf9c2ad9bd5bca3bce700
          • MD5 SHA1 SHA512 SSDEEP TLSH

          select.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\select.pyd
          • Size 32KB
          • SHA256 722328e7fad8048057fc966474ba73966d2ceebaa32e7344cce09640ab4dc9bd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ucrtbase.dll

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\ucrtbase.dll
          • Size 1.3MB
          • SHA256 3088326cb0fe5b5646e02c7b2de71ae363fcd26a0000cf32209c8bed05a7a866
          • MD5 SHA1 SHA512 SSDEEP TLSH

          unicodedata.pyd

          • Path C:\Users\Admin\AppData\Local\Temp\_MEI0000132c2\unicodedata.pyd
          • Size 741KB
          • SHA256 280b09bd97b598d18c0ed9542dc18ed35fa57a16e84f8e65fd9c6e96516c28d6
          • MD5 SHA1 SHA512 SSDEEP TLSH