c8b3bb228906c9aa2fa9bcf5e811bc4b98b6c423ed49cf042b17ef2ac3a75762

Analysis

max time kernel
150s
max time network
144s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/07/2026, 01:11

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General

Target
2026-07-18_298bc3c653b01c73cb776c22ef3faa44_amadey_elex_mespinoza_remcos_smoke-loader.exe
Size 8.1MB
Sample260718-bj59rabv4q
SHA256 c8b3bb228906c9aa2fa9bcf5e811bc4b98b6c423ed49cf042b17ef2ac3a75762
MD5 298bc3c653b01c73cb776c22ef3faa44
SHA1 ed1eaa53a96bd765f4a5895a19432141a917300a
SHA512 30bdeb8026417cda92df55fd2b26d23246633172594f2c55368d7d865426a982ba41d4a7fdae74841981898d918dc94bccc4bc4527e54cbbe45c91cbd435c163
SSDEEP 196608:z9iHOizRHpcp1YOEDMiPTv0fduFXDLiIaPYoHsX:zMDHGp1YDMiPTv0fdeaBYesX
TLSH
T1F58622D07281F829E3A505B00D2977E9902A66343711E8E7FEDF7AD6092D1D56EB0E33
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery installer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4284	wnetwatcher_setup.exe

Loads dropped DLL 2 IoCs

pid	Process
4284	wnetwatcher_setup.exe
4284	wnetwatcher_setup.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wnetwatcher_setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-18_298bc3c653b01c73cb776c22ef3faa44_amadey_elex_mespinoza_remcos_smoke-loader.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral2/files/0x000d00000001c5d7-4.dat	nsis_installer_1
behavioral2/files/0x000d00000001c5d7-4.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5392 wrote to memory of 4284	5392	2026-07-18_298bc3c653b01c73cb776c22ef3faa44_amadey_elex_mespinoza_remcos_smoke-loader.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-18_298bc3c653b01c73cb776c22ef3faa44_amadey_elex_mespinoza_remcos_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-18_298bc3c653b01c73cb776c22ef3faa44_amadey_elex_mespinoza_remcos_smoke-loader.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5392
- C:\Users\Admin\AppData\Local\Temp\7zS01583679\wnetwatcher_setup.exe
  .\wnetwatcher_setup.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4284

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

wnetwatcher_setup.exe

Path C:\Users\Admin\AppData\Local\Temp\7zS01583679\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

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InstallOptions.dll

Path C:\Users\Admin\AppData\Local\Temp\nsd63D3.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

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StartMenu.dll

Path C:\Users\Admin\AppData\Local\Temp\nsd63D3.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

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ioSpecial.ini

Path C:\Users\Admin\AppData\Local\Temp\nsd63D3.tmp\ioSpecial.ini
Size 732B
SHA256 fc8923668b06049e99d71ff500c9e532c5a7504cc2cde8c2eed1d79bb0556afb
MD5 12f29beb3ceea2145f1da6ca92de215f
SHA1 afc257cdefb3d24bd3c79e07115b52915d7ce15a
SHA512 ae409ae5693e3b542e1794f38dc9d8d4e3f08b41b88f5433df6be56987e0945a38cd757dc1c93b3d2e9dbcc8a4e938e8dc2bf462ff690498c1c992e35dfac021
TLSH
T18C01C588445FE3140420519BA0FD37A147D01C3C4B123DF7F0565886638D9D349DDDD2
MD5 SHA1 SHA512 TLSH

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ioSpecial.ini

Path C:\Users\Admin\AppData\Local\Temp\nsd63D3.tmp\ioSpecial.ini
Size 771B
SHA256 d3bb334f8323baac9c44a7d979e49a56a39df995e9f5fa50156f914f829a0be4
MD5 4bf9f4fb76b4f8b8cda06de461c46e4f
SHA1 ce63757586e075d4aecf4a43e5bb7ea9842006a8
SHA512 af25335c091faf8021599f10dd3935d8f02ba25dfe0f6d4f5fa1c1da6bc33742321ad188c54730c5d926c50190e500da31289733f9998d4fb5dd2e7a56aa8875
TLSH
T18601D088409FD365042011EBA0FD37A157D01C3C4B123CF6F052888A638DDD389DDED6
MD5 SHA1 SHA512 TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads