Analysis
- max time kernel
150s - max time network
115s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
06/08/2026, 03:05
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-06_9a24e1c61391ca9ef218383b38d6bed9_amadey_elex_mespinoza_remcos_smoke-loader.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
General
- Target 2026-08-06_9a24e1c61391ca9ef218383b38d6bed9_amadey_elex_mespinoza_remcos_smoke-loader.exe
- Size 5.5MB
- Sample260806-dk76vasbqf
- SHA256 5dd90cc6355c2ffddc41db197e06d4dcd3d16a962e371feeb49a68ae2921731b
- MD5 9a24e1c61391ca9ef218383b38d6bed9
- SHA1 86bd354ee87011fef513b30292b7ebabba3b68ca
- SHA512 2d2027ea3d8d5162972db0bac06120c4d1597cf1f7c42ab12183c7e990517be8158c7277c5c4c721cc7a8ffee4eab021557596ef213b4c944444dfed973fa8d7
- SSDEEP 98304:ZRNmk2lWw4HSwWtWb4YvqIf+VVmp3ZamBA+a0OJiMj08HsX:ZRNmk2QwcKIb44L+Tio0OJlj08HsX
- TLSH T1CB4601C47292FC28E7A945B00C25B6E542272A353711D9EBBECF76C60D6D1D4ADF0A32
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4292 wnetwatcher_setup.exe - Loads dropped DLL 2 IoCs
pid Process 4292 wnetwatcher_setup.exe 4292 wnetwatcher_setup.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wnetwatcher_setup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-06_9a24e1c61391ca9ef218383b38d6bed9_amadey_elex_mespinoza_remcos_smoke-loader.exe - NSIS installer 2 IoCs
resource yara_rule behavioral2/files/0x000d00000001c557-4.dat nsis_installer_1 behavioral2/files/0x000d00000001c557-4.dat nsis_installer_2 - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4360 wrote to memory of 4292 4360 2026-08-06_9a24e1c61391ca9ef218383b38d6bed9_amadey_elex_mespinoza_remcos_smoke-loader.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-06_9a24e1c61391ca9ef218383b38d6bed9_amadey_elex_mespinoza_remcos_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-06_9a24e1c61391ca9ef218383b38d6bed9_amadey_elex_mespinoza_remcos_smoke-loader.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4360 -
C:\Users\Admin\AppData\Local\Temp\7zS801F89F9\wnetwatcher_setup.exe.\wnetwatcher_setup.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4292
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\7zS801F89F9\wnetwatcher_setup.exe
- Size 543KB
- SHA256 9816f6b622361a5e833ebee0d1be9c710978a6df4f752cad16c3eb7aae5be0c3
- MD5 1fd286dc1164ae4d497025acaeb38264
- SHA1 24e5e9c5ace133f3a7d578db5dd520d1cc719c75
- SHA512 4b2d666f9a8810cded4a0d17804cfa6eba7cecab0cbb20d175192e6b074ac3f78fb2c03be461b81dd3fc890168876e5821de3ee35f18d9d3822f7227a036a54b
- SSDEEP 6144:QXp75Mk6qxuRWvqoS4TvxIA3PvDozQ/TrzIY3MLILXVYfYkhpEvI7fNEGJYkUA4b:UP6bRX54NHESTYY3ML/YWbL2WYSQ
- TLSH T113C4231C35C5D036D2A56530064A6FF792BABE2E6A61320B37AC5FF776712478C298C8
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nszA6D7.tmp\InstallOptions.dll
- Size 14KB
- SHA256 426efd56da4014f12ec8ee2e268f86b848bbca776333d55482cb3eb71c744088
- MD5 3809b1424d53ccb427c88cabab8b5f94
- SHA1 bc74d911216f32a9ca05c0d9b61a2aecfc0d1c0e
- SHA512 626a1c5edd86a71579e42bac8df479184515e6796fa21cb4fad6731bb775641d25f8eb8e86b939b9db9099453e85c572c9ea7897339a3879a1b672bc9226fcee
- SSDEEP 192:i6JaVGQ+xI5EeuyvMmGpeWH2J5xprN+AxT7K72dwF7dBdcQOz:i6JaVh4I5rpPbT7+BdhO
- TLSH T13D523A51778888F3E792053EB45237079F9D5226B8929ED1CA331FC22D2B19E2FB1302
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nszA6D7.tmp\StartMenu.dll
- Size 7KB
- SHA256 ac53840d019b746ab5dabaa40d7720c9a4487c861b155926454bf8b10bd0963d
- MD5 8262fbc2a172ff04146e7587649d7091
- SHA1 628be3fede2a79d4b321b12f979711caf77e8a7e
- SHA512 8e11f1f1811a424b1ae5ab8e064d5313adc118ee7607f6a6f9b9976647ca6c91496133d5575d4737386a1485f39cf6fd074dbfd619807f42fe148a640186f639
- SSDEEP 96:Z+rBC0x22epxPEvC4FkWE+in1/FMvsCGRfRFqCB5tXGhEl5VN:Z+FepxPE1r8/FtmCDtWg5v
- TLSH T1F0E1F87AF7C044F3D68B43702863BB17EB669A211725B163992716CAB5C24E3DC34722
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nszA6D7.tmp\ioSpecial.ini
- Size 732B
- SHA256 c43a2ab59e0181d93404f42f3b528d39e131509977a3374292d882f771e81a1b
- MD5 d3f9d55a08e31b69cca16a3845085ff4
- SHA1 5d1c55c9f44f485f9e51e418d7e6b193bede0861
- SHA512 582efe2c78abf338d86f656451787145f5262e6c3ea7245848af9b86f7b89be4b434edb55c5ad129addb9e8ba32bffd439891a3ef34c9cdfb53504d2aab7f2c8
- TLSH T1AA01C088849FE324042051ABA0FD37A14BE01C3C4B123DF7F0569886638D9D34AEDDD2
- MD5 SHA1 SHA512 TLSH