Analysis
- max time kernel
59s - max time network
61s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/10/2026, 20:19
Behavioral task
behavioral1
Sample
c6ccb8e364700e9584cd1e9f457f220e2623180d0fefa1c70cefc3d2b2d3f9dc.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
c6ccb8e364700e9584cd1e9f457f220e2623180d0fefa1c70cefc3d2b2d3f9dc.exe
Resource
win11ltsc2024-20260911-en
General
- Target c6ccb8e364700e9584cd1e9f457f220e2623180d0fefa1c70cefc3d2b2d3f9dc.exe
- Size 645KB
- Sample261012-y4bbfaaw5p
- SHA256 c6ccb8e364700e9584cd1e9f457f220e2623180d0fefa1c70cefc3d2b2d3f9dc
- MD5 f6e981763ccf48b3fd2577b74e48e384
- SHA1 9ffd1ba1cad9ad0007138055497551c3f28421bf
- SHA512 cf22f894a58a6222c0ab5f5f88038bf1a1f9343f81da09ceeab7c51bc0a1f6b3bc655637f33a839904afe2586739c73a95846710451d66c615ac661cfd423935
- SSDEEP 12288:PIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:Q5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
- TLSH T1E4E46D59A39402F8D0B7C135C982953BE7B2BC065571472F03D70E9B2F276A16F3AB26
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
RemoteHost
-
x88.events:8080
-
www.x88.events:8080
-
backdoor.x88.events:8080
-
c2.x88.events:8080
-
malware.x88.events:8080
-
api.x88.events:8080
-
audio_folder
MicRecords
-
audio_path
%Temp%
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
Updater.exe
-
copy_folder
rat
-
delete_file
false
-
hide_file
true
-
hide_keylog_file
false
-
install_flag
true
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
hidd3ng3m
-
mouse_option
false
-
mutex
RemcosFocus-FN3RVY
-
screenshot_crypt
false
-
screenshot_flag
true
-
screenshot_folder
Screenshots
-
screenshot_path
%SystemDrive%
-
screenshot_time
5
- startup_value
-
take_screenshot_option
true
-
take_screenshot_time
5
-
take_screenshot_title
chrome;discord;facebook;telegram;whatsapp;youtube;instagram;tiktok;spotify;netflix;zoom;teams;slack;steam;vlc;coccoc
Signatures
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication 64 IoCs
Network activity triggered a Suricata alert
flow pid Process 33 4036 Updater.exe 33 4036 Updater.exe 92 4036 Updater.exe 92 4036 Updater.exe 34 4036 Updater.exe 34 4036 Updater.exe 53 4036 Updater.exe 53 4036 Updater.exe 81 4036 Updater.exe 81 4036 Updater.exe 94 4036 Updater.exe 94 4036 Updater.exe 63 4036 Updater.exe 63 4036 Updater.exe 62 4036 Updater.exe 62 4036 Updater.exe 98 4036 Updater.exe 98 4036 Updater.exe 61 4036 Updater.exe 61 4036 Updater.exe 80 4036 Updater.exe 80 4036 Updater.exe 9 4036 Updater.exe 9 4036 Updater.exe 22 4036 Updater.exe 22 4036 Updater.exe 15 4036 Updater.exe 15 4036 Updater.exe 14 4036 Updater.exe 14 4036 Updater.exe 21 4036 Updater.exe 21 4036 Updater.exe 73 4036 Updater.exe 73 4036 Updater.exe 97 4036 Updater.exe 97 4036 Updater.exe 83 4036 Updater.exe 83 4036 Updater.exe 18 4036 Updater.exe 18 4036 Updater.exe 25 4036 Updater.exe 25 4036 Updater.exe 27 4036 Updater.exe 27 4036 Updater.exe 84 4036 Updater.exe 84 4036 Updater.exe 77 4036 Updater.exe 77 4036 Updater.exe 90 4036 Updater.exe 90 4036 Updater.exe 101 4036 Updater.exe 101 4036 Updater.exe 10 4036 Updater.exe 10 4036 Updater.exe 19 4036 Updater.exe 19 4036 Updater.exe 82 4036 Updater.exe 82 4036 Updater.exe 87 4036 Updater.exe 87 4036 Updater.exe 105 4036 Updater.exe 105 4036 Updater.exe 78 4036 Updater.exe 78 4036 Updater.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\ c6ccb8e364700e9584cd1e9f457f220e2623180d0fefa1c70cefc3d2b2d3f9dc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\RemcosFocus-FN3RVY = "\"C:\\ProgramData\\rat\\Updater.exe\"" c6ccb8e364700e9584cd1e9f457f220e2623180d0fefa1c70cefc3d2b2d3f9dc.exe Key created \REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ Updater.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\RemcosFocus-FN3RVY = "\"C:\\ProgramData\\rat\\Updater.exe\"" Updater.exe - Executes dropped EXE 1 IoCs
pid Process 4036 Updater.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\RemcosFocus-FN3RVY = "\"C:\\ProgramData\\rat\\Updater.exe\"" c6ccb8e364700e9584cd1e9f457f220e2623180d0fefa1c70cefc3d2b2d3f9dc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RemcosFocus-FN3RVY = "\"C:\\ProgramData\\rat\\Updater.exe\"" c6ccb8e364700e9584cd1e9f457f220e2623180d0fefa1c70cefc3d2b2d3f9dc.exe Set value (str) \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\RemcosFocus-FN3RVY = "\"C:\\ProgramData\\rat\\Updater.exe\"" Updater.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RemcosFocus-FN3RVY = "\"C:\\ProgramData\\rat\\Updater.exe\"" Updater.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 Updater.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Updater.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4036 Updater.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 1148 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1148 AUDIODG.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4036 Updater.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 4036 Updater.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 960 wrote to memory of 4036 960 c6ccb8e364700e9584cd1e9f457f220e2623180d0fefa1c70cefc3d2b2d3f9dc.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\c6ccb8e364700e9584cd1e9f457f220e2623180d0fefa1c70cefc3d2b2d3f9dc.exe"C:\Users\Admin\AppData\Local\Temp\c6ccb8e364700e9584cd1e9f457f220e2623180d0fefa1c70cefc3d2b2d3f9dc.exe"1⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:960 -
C:\ProgramData\rat\Updater.exe"C:\ProgramData\rat\Updater.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:4036
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004E8 0x00000000000004E01⤵
- Suspicious use of AdjustPrivilegeToken
PID:1148
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:5364
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\ProgramData\rat\Updater.exe
- Size 645KB
- SHA256 c6ccb8e364700e9584cd1e9f457f220e2623180d0fefa1c70cefc3d2b2d3f9dc
- MD5 f6e981763ccf48b3fd2577b74e48e384
- SHA1 9ffd1ba1cad9ad0007138055497551c3f28421bf
- SHA512 cf22f894a58a6222c0ab5f5f88038bf1a1f9343f81da09ceeab7c51bc0a1f6b3bc655637f33a839904afe2586739c73a95846710451d66c615ac661cfd423935
- SSDEEP 12288:PIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:Q5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
- TLSH T1E4E46D59A39402F8D0B7C135C982953BE7B2BC065571472F03D70E9B2F276A16F3AB26
- MD5 SHA1 SHA512 SSDEEP TLSH