remcos | 41b5e4fca1b3c8bfcbe7b4922737e30fa5c4b19530b97c5288541dcf4704c128

Analysis

max time kernel
58s
max time network
59s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
01/09/2026, 20:00

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General

Target
41b5e4fca1b3c8bfcbe7b4922737e30fa5c4b19530b97c5288541dcf4704c128.exe
Size 481KB
Sample260901-yre4vsxajf
SHA256 41b5e4fca1b3c8bfcbe7b4922737e30fa5c4b19530b97c5288541dcf4704c128
MD5 60ca04db5fb64b33e3265fc2e5f5410a
SHA1 78af68d0fce47343edb6fbfd130c14e65e9f6fa8
SHA512 b035914a890e9486a237ce31802d2b7621f95916c14a5e514db32271379b5a47aa483bdeabae3839b2f54add9bf618dce661eea4d1d797dd054f52fd697901e5
SSDEEP 12288:713ak/mBXTG4/1v08KI7ZnMEF76JqmsvZQzS:hak/mBXTV/R0nEF76gFZM
TLSH
T160A4BF01BAD2C072D57654300C3AE775DEBDBD21283A897BB3D61D57FD30190A63AAB2
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery remcos rat suricata

Malware Config

Signatures

Family: Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Suricata alert: REMCOS RAT Malware Inbound C2 Communication 4 IoCs

Network activity triggered a Suricata alert

suricata remcos

flow	pid	Process
4	4348	41b5e4fca1b3c8bfcbe7b4922737e30fa5c4b19530b97c5288541dcf4704c128.exe
4	4348	41b5e4fca1b3c8bfcbe7b4922737e30fa5c4b19530b97c5288541dcf4704c128.exe
4	4348	41b5e4fca1b3c8bfcbe7b4922737e30fa5c4b19530b97c5288541dcf4704c128.exe
4	4348	41b5e4fca1b3c8bfcbe7b4922737e30fa5c4b19530b97c5288541dcf4704c128.exe

Suricata alert: REMCOS RAT Malware Outbound C2 Communication 5 IoCs

Network activity triggered a Suricata alert

suricata remcos

flow	pid	Process
4	4348	41b5e4fca1b3c8bfcbe7b4922737e30fa5c4b19530b97c5288541dcf4704c128.exe
4	4348	41b5e4fca1b3c8bfcbe7b4922737e30fa5c4b19530b97c5288541dcf4704c128.exe
4	4348	41b5e4fca1b3c8bfcbe7b4922737e30fa5c4b19530b97c5288541dcf4704c128.exe
4	4348	41b5e4fca1b3c8bfcbe7b4922737e30fa5c4b19530b97c5288541dcf4704c128.exe
4	4348	41b5e4fca1b3c8bfcbe7b4922737e30fa5c4b19530b97c5288541dcf4704c128.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	41b5e4fca1b3c8bfcbe7b4922737e30fa5c4b19530b97c5288541dcf4704c128.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4348	41b5e4fca1b3c8bfcbe7b4922737e30fa5c4b19530b97c5288541dcf4704c128.exe

C:\Users\Admin\AppData\Local\Temp\41b5e4fca1b3c8bfcbe7b4922737e30fa5c4b19530b97c5288541dcf4704c128.exe
"C:\Users\Admin\AppData\Local\Temp\41b5e4fca1b3c8bfcbe7b4922737e30fa5c4b19530b97c5288541dcf4704c128.exe"
1⤵
- Suricata alert: REMCOS RAT Malware Inbound C2 Communication
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4348

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

alo.dat

Path C:\Users\Admin\alo.dat
Size 184B
SHA256 6ddbd150b6c4eb640c25ae4fb426e028c131e5630bf1d9e0c3217f27a92148e0
MD5 5a14041293c966889b9e035dad8e3fa3
SHA1 e95c35a8c3940f277184bc866406a4e0956479e4
SHA512 71c563257f79e16d75221423ea8c1469121590aab372f7f0e76c78732b8d0402fecac9bfa432ca8e5211966e93539ada687d304a3637eef05b5961af463ed1f8
TLSH
T1B2C0120A37A000AA78B6A65A40F300373A31BDA02239844C21E2034C09F4608B0453AB
MD5 SHA1 SHA512 TLSH

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