Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260911-en - resource tags
arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
27/10/2026, 07:56
Behavioral task
behavioral1
Sample
App Portable.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
App Portable.exe
Resource
win10ltsc2021-20260911-en
windows10-ltsc_2021-x64
13 signatures
150 seconds
Behavioral task
behavioral3
Sample
App Portable.exe
Resource
win11-20260911-en
windows11-21h2-x64
12 signatures
150 seconds
Behavioral task
behavioral4
Sample
App Portable.exe
Resource
win11ltsc2024-20260911-en
windows11-ltsc_2024-x64
12 signatures
150 seconds
General
- Target App Portable.exe
- Size 644KB
- Sample261027-js74psbv5x
- SHA256 715840771a836f3b574e5ba3c7c442eb0d0a032385a7234e0239322066dae117
- MD5 af745174afa6fb8f99544979d9ffa223
- SHA1 3ba118b2520174da842c38d9a2a59e487861bc48
- SHA512 55e9d0fc7ecb9d810126d754fc2cc35dd4460567da3ce3cab221d3ce980fe55e1463d6e8468b250221ba4105d73da1e37dd6d833b0eed2cec656c73fefd549ea
- SSDEEP 12288:5IfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:e5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
- TLSH T11CE46D59A39402F8D0B7C135C982953BE7B2BC065571472F03E70E9B2F276A16F3AB16
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Extracted
Family
-
remcos
Version
-
7.3.1 Pro
Botnet
-
RemoteHost
C2
-
soho-eindhoven.nl:8080
-
www.soho-eindhoven.nl:8080
-
backdoor.soho-eindhoven.nl:8080
-
c2.soho-eindhoven.nl:8080
-
malware.soho-eindhoven.nl:8080
-
api.soho-eindhoven.nl:8080
Attributes
-
audio_folder
MicRecords
-
audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
WinService.exe
-
copy_folder
Update
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
true
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-YHNIAW
-
screenshot_crypt
false
-
screenshot_flag
true
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
- startup_value
-
take_screenshot_option
true
-
take_screenshot_time
5
-
take_screenshot_title
facebook;discord;telegramanh
Signatures
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication 64 IoCs
Network activity triggered a Suricata alert
flow pid Process 153 1328 WinService.exe 153 1328 WinService.exe 89 1328 WinService.exe 89 1328 WinService.exe 170 1328 WinService.exe 170 1328 WinService.exe 222 1328 WinService.exe 222 1328 WinService.exe 178 1328 WinService.exe 178 1328 WinService.exe 296 1328 WinService.exe 296 1328 WinService.exe 25 1328 WinService.exe 25 1328 WinService.exe 24 1328 WinService.exe 24 1328 WinService.exe 218 1328 WinService.exe 218 1328 WinService.exe 269 1328 WinService.exe 269 1328 WinService.exe 100 1328 WinService.exe 100 1328 WinService.exe 113 1328 WinService.exe 113 1328 WinService.exe 91 1328 WinService.exe 91 1328 WinService.exe 241 1328 WinService.exe 241 1328 WinService.exe 246 1328 WinService.exe 246 1328 WinService.exe 295 1328 WinService.exe 295 1328 WinService.exe 3 1328 WinService.exe 3 1328 WinService.exe 176 1328 WinService.exe 176 1328 WinService.exe 142 1328 WinService.exe 142 1328 WinService.exe 243 1328 WinService.exe 243 1328 WinService.exe 14 1328 WinService.exe 14 1328 WinService.exe 78 1328 WinService.exe 78 1328 WinService.exe 106 1328 WinService.exe 106 1328 WinService.exe 233 1328 WinService.exe 233 1328 WinService.exe 152 1328 WinService.exe 152 1328 WinService.exe 93 1328 WinService.exe 93 1328 WinService.exe 69 1328 WinService.exe 69 1328 WinService.exe 97 1328 WinService.exe 97 1328 WinService.exe 6 1328 WinService.exe 6 1328 WinService.exe 64 1328 WinService.exe 64 1328 WinService.exe 287 1328 WinService.exe 287 1328 WinService.exe 202 1328 WinService.exe 202 1328 WinService.exe - Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ App Portable.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Rmc-YHNIAW = "\"C:\\ProgramData\\Update\\WinService.exe\"" App Portable.exe Key created \REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ WinService.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Rmc-YHNIAW = "\"C:\\ProgramData\\Update\\WinService.exe\"" WinService.exe - Executes dropped EXE 1 IoCs
pid Process 1328 WinService.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-YHNIAW = "\"C:\\ProgramData\\Update\\WinService.exe\"" App Portable.exe Set value (str) \REGISTRY\USER\S-1-5-21-338007942-693956180-937915117-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-YHNIAW = "\"C:\\ProgramData\\Update\\WinService.exe\"" WinService.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-YHNIAW = "\"C:\\ProgramData\\Update\\WinService.exe\"" WinService.exe Set value (str) \REGISTRY\USER\S-1-5-21-338007942-693956180-937915117-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-YHNIAW = "\"C:\\ProgramData\\Update\\WinService.exe\"" App Portable.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname WinService.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain WinService.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1328 WinService.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 1800 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1800 AUDIODG.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1328 WinService.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1328 WinService.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4868 wrote to memory of 1328 4868 App Portable.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\App Portable.exe"C:\Users\Admin\AppData\Local\Temp\App Portable.exe"1⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\ProgramData\Update\WinService.exe"C:\ProgramData\Update\WinService.exe"2⤵
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication
- Adds policy Run key to start application
- Executes dropped EXE
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1328
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004B8 0x00000000000004D81⤵
- Suspicious use of AdjustPrivilegeToken
PID:1800
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\ProgramData\Update\WinService.exe
- Size 644KB
- SHA256 715840771a836f3b574e5ba3c7c442eb0d0a032385a7234e0239322066dae117
- MD5 af745174afa6fb8f99544979d9ffa223
- SHA1 3ba118b2520174da842c38d9a2a59e487861bc48
- SHA512 55e9d0fc7ecb9d810126d754fc2cc35dd4460567da3ce3cab221d3ce980fe55e1463d6e8468b250221ba4105d73da1e37dd6d833b0eed2cec656c73fefd549ea
- SSDEEP 12288:5IfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:e5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
- TLSH T11CE46D59A39402F8D0B7C135C982953BE7B2BC065571472F03E70E9B2F276A16F3AB16
- MD5 SHA1 SHA512 SSDEEP TLSH