Analysis
- user interaction
yes - max time kernel
59s - max time network
61s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
06/10/2026, 17:07
Behavioral task
behavioral1
Sample
luck888.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
luck888.exe
Resource
win11ltsc2024-20260911-en
General
- Target luck888.exe
- Size 645KB
- Sample261006-vm34caff75
- SHA256 392de0cbc6b9f099cce31f86b703fb2f20d5ec479bf6e061ab94909fd97ff285
- MD5 2e1edd61fa235e27e2ed9cf1d65a7eb2
- SHA1 43510dbbf8918de941eb544f2569f7ec33c6c01d
- SHA512 5fa06ddea5a4d6adeafd9f2f540cf3a1725e856ef9571c3a380db2624a5a8777e62007a51076d7bd298e085a1b762c160eb17be7db728029672413c3eb12040b
- SSDEEP 12288:zIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:05GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
- TLSH T17AE46D59A39402F8D0B7C135C982953BE7B2BC065571472F03D70E9B2F276A16F3AB26
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
RemoteHost
-
luck8882.uk:8080
-
api.luck8882.uk:8080
-
c2.luck8882.uk:8080
-
backdoor.luck8882.uk:8080
-
malware.luck8882.uk:8080
-
www.luck8882.uk:8080
-
audio_folder
MicRecords
-
audio_path
%Temp%
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
Update.exe
-
copy_folder
fsp
-
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
okvip
-
mouse_option
false
-
mutex
RemcosFocus-RAU0KC
-
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 59 4832 Update.exe 59 4832 Update.exe 87 4832 Update.exe 87 4832 Update.exe 4 4832 Update.exe 4 4832 Update.exe 62 4832 Update.exe 62 4832 Update.exe 68 4832 Update.exe 68 4832 Update.exe 67 4832 Update.exe 67 4832 Update.exe 125 4832 Update.exe 125 4832 Update.exe 166 4832 Update.exe 166 4832 Update.exe 180 4832 Update.exe 180 4832 Update.exe 165 4832 Update.exe 165 4832 Update.exe 107 4832 Update.exe 107 4832 Update.exe 109 4832 Update.exe 109 4832 Update.exe 168 4832 Update.exe 168 4832 Update.exe 34 4832 Update.exe 34 4832 Update.exe 42 4832 Update.exe 42 4832 Update.exe 84 4832 Update.exe 84 4832 Update.exe 129 4832 Update.exe 129 4832 Update.exe 144 4832 Update.exe 144 4832 Update.exe 76 4832 Update.exe 76 4832 Update.exe 96 4832 Update.exe 96 4832 Update.exe 118 4832 Update.exe 118 4832 Update.exe 79 4832 Update.exe 79 4832 Update.exe 120 4832 Update.exe 120 4832 Update.exe 161 4832 Update.exe 161 4832 Update.exe 80 4832 Update.exe 80 4832 Update.exe 45 4832 Update.exe 45 4832 Update.exe 23 4832 Update.exe 23 4832 Update.exe 33 4832 Update.exe 33 4832 Update.exe 102 4832 Update.exe 102 4832 Update.exe 167 4832 Update.exe 167 4832 Update.exe 156 4832 Update.exe 156 4832 Update.exe 43 4832 Update.exe 43 4832 Update.exe - Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\RemcosFocus-RAU0KC = "\"C:\\ProgramData\\fsp\\Update.exe\"" Update.exe Key created \REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ luck888.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\RemcosFocus-RAU0KC = "\"C:\\ProgramData\\fsp\\Update.exe\"" luck888.exe Key created \REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ Update.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\International\Geo\Nation luck888.exe - Executes dropped EXE 1 IoCs
pid Process 4832 Update.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RemcosFocus-RAU0KC = "\"C:\\ProgramData\\fsp\\Update.exe\"" luck888.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RemcosFocus-RAU0KC = "\"C:\\ProgramData\\fsp\\Update.exe\"" luck888.exe Set value (str) \REGISTRY\USER\S-1-5-21-2091445952-3649787497-104050984-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RemcosFocus-RAU0KC = "\"C:\\ProgramData\\fsp\\Update.exe\"" Update.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RemcosFocus-RAU0KC = "\"C:\\ProgramData\\fsp\\Update.exe\"" Update.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 Update.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain Update.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4832 Update.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 4928 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 4928 AUDIODG.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4832 Update.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 4832 Update.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5836 wrote to memory of 4832 5836 luck888.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\luck888.exe"C:\Users\Admin\AppData\Local\Temp\luck888.exe"1⤵
- Adds policy Run key to start application
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5836 -
C:\ProgramData\fsp\Update.exe"C:\ProgramData\fsp\Update.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:4832
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x50c 0x5081⤵
- Suspicious use of AdjustPrivilegeToken
PID:4928
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\fsp\Update.exe
- Size 645KB
- SHA256 392de0cbc6b9f099cce31f86b703fb2f20d5ec479bf6e061ab94909fd97ff285
- MD5 2e1edd61fa235e27e2ed9cf1d65a7eb2
- SHA1 43510dbbf8918de941eb544f2569f7ec33c6c01d
- SHA512 5fa06ddea5a4d6adeafd9f2f540cf3a1725e856ef9571c3a380db2624a5a8777e62007a51076d7bd298e085a1b762c160eb17be7db728029672413c3eb12040b
- SSDEEP 12288:zIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:05GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
- TLSH T17AE46D59A39402F8D0B7C135C982953BE7B2BC065571472F03D70E9B2F276A16F3AB26
- MD5 SHA1 SHA512 SSDEEP TLSH