Analysis
- max time kernel
149s - max time network
154s - 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, 08:50
Behavioral task
behavioral1
Sample
m thi gioi roi.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
m thi gioi roi.exe
Resource
win11ltsc2024-20260911-en
General
- Target m thi gioi roi.exe
- Size 645KB
- Sample261002-krvmna1w8p
- 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 521 5628 Updater.exe 521 5628 Updater.exe 902 5628 Updater.exe 902 5628 Updater.exe 23 5628 Updater.exe 23 5628 Updater.exe 252 5628 Updater.exe 252 5628 Updater.exe 443 5628 Updater.exe 443 5628 Updater.exe 615 5628 Updater.exe 615 5628 Updater.exe 825 5628 Updater.exe 825 5628 Updater.exe 957 5628 Updater.exe 957 5628 Updater.exe 118 5628 Updater.exe 118 5628 Updater.exe 633 5628 Updater.exe 633 5628 Updater.exe 787 5628 Updater.exe 787 5628 Updater.exe 939 5628 Updater.exe 939 5628 Updater.exe 731 5628 Updater.exe 731 5628 Updater.exe 769 5628 Updater.exe 769 5628 Updater.exe 408 5628 Updater.exe 408 5628 Updater.exe 426 5628 Updater.exe 426 5628 Updater.exe 484 5628 Updater.exe 484 5628 Updater.exe 272 5628 Updater.exe 272 5628 Updater.exe 61 5628 Updater.exe 61 5628 Updater.exe 196 5628 Updater.exe 196 5628 Updater.exe 217 5628 Updater.exe 217 5628 Updater.exe 309 5628 Updater.exe 309 5628 Updater.exe 101 5628 Updater.exe 101 5628 Updater.exe 139 5628 Updater.exe 139 5628 Updater.exe 120 5628 Updater.exe 120 5628 Updater.exe 179 5628 Updater.exe 179 5628 Updater.exe 634 5628 Updater.exe 634 5628 Updater.exe 690 5628 Updater.exe 690 5628 Updater.exe 747 5628 Updater.exe 747 5628 Updater.exe 768 5628 Updater.exe 768 5628 Updater.exe 234 5628 Updater.exe 234 5628 Updater.exe 577 5628 Updater.exe 577 5628 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\ m thi gioi roi.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\remcos-ESBF7M = "\"C:\\ProgramData\\remcos\\Updater.exe\"" m thi gioi roi.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 5628 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-1-5-21-2251218687-1689653882-3767565116-1000\Software\Microsoft\Windows\CurrentVersion\Run\remcos-ESBF7M = "\"C:\\ProgramData\\remcos\\Updater.exe\"" m thi gioi roi.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\remcos-ESBF7M = "\"C:\\ProgramData\\remcos\\Updater.exe\"" m thi gioi roi.exe Set value (str) \REGISTRY\USER\S-1-5-21-2251218687-1689653882-3767565116-1000\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_095153.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 5628 Updater.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 2700 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2700 AUDIODG.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 5628 Updater.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 5628 Updater.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5628 Updater.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1336 wrote to memory of 5628 1336 m thi gioi roi.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\m thi gioi roi.exe"C:\Users\Admin\AppData\Local\Temp\m thi gioi roi.exe"1⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1336 -
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:5628
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004F8 0x00000000000005001⤵
- Suspicious use of AdjustPrivilegeToken
PID:2700
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
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 942da9c44339d441f08f399fc6be917abcdb96c1608d0e7038b852dc35346137
- MD5 254cea49f0b2d80eaf861cf556a387d0
- SHA1 16aecdee9f94cda65d077cb78b10a02b5444099b
- SHA512 bcbaed980547d7096d3b29f79613ae5772b70e53ea762e0e3660258b840d35ec0c5fefdca058710c3ce70e76bde87ba4c241398ecb7cf264e1ee201cfcaa605b
- TLSH T14521940227F512A8FAF76FA4E9FA44596B36BD221838C05C21D00A0E0DF2F46C9E1773
- MD5 SHA1 SHA512 TLSH