Analysis
- max time kernel
59s - max time network
63s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/10/2026, 20:32
Behavioral task
behavioral1
Sample
1d706630e1864f4ee2234cac49c7eb62d50b9f5fb05980440aabf292f833dacf.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
1d706630e1864f4ee2234cac49c7eb62d50b9f5fb05980440aabf292f833dacf.exe
Resource
win11ltsc2024-20260911-en
General
- Target 1d706630e1864f4ee2234cac49c7eb62d50b9f5fb05980440aabf292f833dacf.exe
- Size 645KB
- Sample261002-zbfacstt3q
- SHA256 1d706630e1864f4ee2234cac49c7eb62d50b9f5fb05980440aabf292f833dacf
- MD5 132cc4ec45893e71b9c4a5306d9f69b9
- SHA1 3254bcef868832c9215b82dfb33222c3504ca772
- SHA512 86e77b42598f3a95eef2836107cea09d163cc317780446c3f3d52e966a3b589e3e3b10aa85445297b6f25b46442d482baa35efc5752df5e97b24cb977cea797e
- SSDEEP 12288:dIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:y5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
- TLSH T145E46D59A39402F8D0B7C135C982953BE7B2BC065571472F03D70E9B2F276A16F3AB26
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
RemoteHost
-
123but.com:443
-
casino-igrice.me:443
-
photo-chronicles.com:443
-
cihuy88-91.com:443
-
cihuy88-91.com:80
-
audio_folder
MicRecords
-
audio_path
%Temp%
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
Updater.exe
-
copy_folder
remcos
-
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
s8
-
mouse_option
false
-
mutex
remcos-ESBF7M
-
screenshot_crypt
false
-
screenshot_flag
true
-
screenshot_folder
Screenshots
-
screenshot_path
%WinDir%\System32
-
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 241 2264 Updater.exe 241 2264 Updater.exe 60 2264 Updater.exe 60 2264 Updater.exe 188 2264 Updater.exe 188 2264 Updater.exe 221 2264 Updater.exe 221 2264 Updater.exe 222 2264 Updater.exe 222 2264 Updater.exe 277 2264 Updater.exe 277 2264 Updater.exe 40 2264 Updater.exe 40 2264 Updater.exe 151 2264 Updater.exe 151 2264 Updater.exe 260 2264 Updater.exe 260 2264 Updater.exe 278 2264 Updater.exe 278 2264 Updater.exe 79 2264 Updater.exe 79 2264 Updater.exe 131 2264 Updater.exe 131 2264 Updater.exe 24 2264 Updater.exe 24 2264 Updater.exe 187 2264 Updater.exe 187 2264 Updater.exe 294 2264 Updater.exe 294 2264 Updater.exe 313 2264 Updater.exe 313 2264 Updater.exe 59 2264 Updater.exe 59 2264 Updater.exe 96 2264 Updater.exe 96 2264 Updater.exe 185 2264 Updater.exe 185 2264 Updater.exe 275 2264 Updater.exe 275 2264 Updater.exe 276 2264 Updater.exe 276 2264 Updater.exe 23 2264 Updater.exe 23 2264 Updater.exe 149 2264 Updater.exe 149 2264 Updater.exe 240 2264 Updater.exe 240 2264 Updater.exe 257 2264 Updater.exe 257 2264 Updater.exe 311 2264 Updater.exe 311 2264 Updater.exe 332 2264 Updater.exe 332 2264 Updater.exe 95 2264 Updater.exe 95 2264 Updater.exe 223 2264 Updater.exe 223 2264 Updater.exe 258 2264 Updater.exe 258 2264 Updater.exe 295 2264 Updater.exe 295 2264 Updater.exe 41 2264 Updater.exe 41 2264 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\ 1d706630e1864f4ee2234cac49c7eb62d50b9f5fb05980440aabf292f833dacf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\remcos-ESBF7M = "\"C:\\ProgramData\\remcos\\Updater.exe\"" 1d706630e1864f4ee2234cac49c7eb62d50b9f5fb05980440aabf292f833dacf.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\remcos-ESBF7M = "\"C:\\ProgramData\\remcos\\Updater.exe\"" Updater.exe - Executes dropped EXE 1 IoCs
pid Process 2264 Updater.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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\remcos-ESBF7M = "\"C:\\ProgramData\\remcos\\Updater.exe\"" 1d706630e1864f4ee2234cac49c7eb62d50b9f5fb05980440aabf292f833dacf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\remcos-ESBF7M = "\"C:\\ProgramData\\remcos\\Updater.exe\"" 1d706630e1864f4ee2234cac49c7eb62d50b9f5fb05980440aabf292f833dacf.exe Set value (str) \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\remcos-ESBF7M = "\"C:\\ProgramData\\remcos\\Updater.exe\"" Updater.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\remcos-ESBF7M = "\"C:\\ProgramData\\remcos\\Updater.exe\"" Updater.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\Screenshots\time_20261002_213228.jpg 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 2264 Updater.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 4368 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 4368 AUDIODG.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2264 Updater.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2264 Updater.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2264 Updater.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1488 wrote to memory of 2264 1488 1d706630e1864f4ee2234cac49c7eb62d50b9f5fb05980440aabf292f833dacf.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\1d706630e1864f4ee2234cac49c7eb62d50b9f5fb05980440aabf292f833dacf.exe"C:\Users\Admin\AppData\Local\Temp\1d706630e1864f4ee2234cac49c7eb62d50b9f5fb05980440aabf292f833dacf.exe"1⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1488 -
C:\ProgramData\remcos\Updater.exe"C:\ProgramData\remcos\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
- Drops file in System32 directory
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2264
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004F0 0x00000000000004F41⤵
- Suspicious use of AdjustPrivilegeToken
PID:4368
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\ProgramData\remcos\Updater.exe
- Size 645KB
- SHA256 1d706630e1864f4ee2234cac49c7eb62d50b9f5fb05980440aabf292f833dacf
- MD5 132cc4ec45893e71b9c4a5306d9f69b9
- SHA1 3254bcef868832c9215b82dfb33222c3504ca772
- SHA512 86e77b42598f3a95eef2836107cea09d163cc317780446c3f3d52e966a3b589e3e3b10aa85445297b6f25b46442d482baa35efc5752df5e97b24cb977cea797e
- SSDEEP 12288:dIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:y5GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
- TLSH T145E46D59A39402F8D0B7C135C982953BE7B2BC065571472F03D70E9B2F276A16F3AB26
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\ProgramData\s8\logs.dat
- Size 1KB
- SHA256 24c97fb2fcbf48a85fdc067cd68a6ed2a29eba1e6eb6afb378afcfe58dd17b94
- MD5 a5674fb620e3b5e91382a178c2c4325c
- SHA1 968e6a9dc303e8af79668f2d9fdb106bddde30c3
- SHA512 aa2161adcb72fb40cb4e25a75bf5d659ca6c8de9d86f685f2c7b5eed0a11311c963e3c07a65ca83ea4807daf6b4a8bd687c0e0c8535066b00e0bace5a48bf132
- TLSH T14721830627F51268FAF3AFA4E9FA44592B36BD621838C05C21D00A0E0DF2F46D9E1773
- MD5 SHA1 SHA512 TLSH