Analysis
- max time kernel
148s - max time network
147s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260911-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows - submitted
25/10/2026, 06:06
Behavioral task
behavioral1
Sample
ok.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
ok.exe
Resource
win10ltsc2021-20260911-en
Behavioral task
behavioral3
Sample
ok.exe
Resource
win11-20260911-en
Behavioral task
behavioral4
Sample
ok.exe
Resource
win11ltsc2024-20260911-en
General
- Target ok.exe
- Size 525KB
- Sample261025-gt28qsty5k
- SHA256 725ab369dd093f70d11745da8a299200a62f969d16a14ecd24183f7f090c2314
- MD5 75793d16f1d6c9897a1224674a2818db
- SHA1 66ccb9bc0099e72d53bcd050a2184ad1a6165868
- SHA512 cb20f659329e0f83a6fef8756bb1a41c3140757fedee09ab5359129d5503749b472d6a0777e809d00be47802eb95db6257c988c1641d7710c4a727c578de3964
- SSDEEP 12288:dcF3UU0AViEhkwkhoo+/TUszmXxr1svZ9Ixt:p1AViE/kHszmXWZK
- TLSH T180B4BE01BAF1C1B2D57664700939EB35CEBCBC211C359D2B63D61E9ABE301519B3AB72
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
tele@VietNamReport
-
qh88.casino:8080
-
abgstore.com.co:8080
-
pg999asia.net:8080
-
jacksclub.co:8080
-
v99win.tv:8080
-
fomo444slot.co:8080
-
mmoo.spot:8080
-
x88.cheap:8080
-
juad888.us:8080
-
afribus.co:8080
-
anxietyinchildren.co:8080
-
999betslot.vip:8080
-
qq88.studio:8080
-
qq88.fan:8080
-
luck8aa.com:8080
-
luck80.net:8080
-
g-luck8888.com:8080
-
qh88.africa.com:8080
-
tubidy.radio.am:8080
-
central-med-africa.africa.com:8080
-
statistics.radio.am:8080
-
trust.africa.com:8080
-
add.hk.com:8080
-
8kbet.hk.com:8080
-
virtual.radio.am:8080
-
audio_folder
MicRecords
-
audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
5
- copy_file
-
copy_folder
rp
-
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-UCES5O
-
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;telegram
Signatures
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication 64 IoCs
Network activity triggered a Suricata alert
- 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-1-5-21-4003929486-1233426720-3594832368-1000\Control Panel\International\Geo\Nation ok.exe - Executes dropped EXE 1 IoCs
pid Process 1916 [email protected] - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4003929486-1233426720-3594832368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-UCES5O = "\"C:\\ProgramData\\rp\\[email protected]\"" ok.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-UCES5O = "\"C:\\ProgramData\\rp\\[email protected]\"" ok.exe Set value (str) \REGISTRY\USER\S-1-5-21-4003929486-1233426720-3594832368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-UCES5O = "\"C:\\ProgramData\\rp\\[email protected]\"" [email protected] Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-UCES5O = "\"C:\\ProgramData\\rp\\[email protected]\"" [email protected] - 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 [email protected] Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain [email protected] - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ok.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language [email protected] - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1916 [email protected] - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 4592 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 4592 AUDIODG.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1916 [email protected] - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1916 [email protected] - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1916 [email protected] - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 752 wrote to memory of 1916 752 ok.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\ok.exe"C:\Users\Admin\AppData\Local\Temp\ok.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:752 -
C:\ProgramData\rp\[email protected]"C:\ProgramData\rp\[email protected]"2⤵
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication
- Executes dropped EXE
- Adds Run key to start application
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1916
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x314 0x30c1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4592
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\remcos\logs.dat
- Size 234B
- SHA256 3e2d4f68484530f942654b9c9590b29623a30e756518fad2c13bc11181fb7cfa
- MD5 cf236e09feed8f37e639b26fd4aebcff
- SHA1 88065d12d731016b4b1e46350b7d4453683afaa7
- SHA512 62a5e8b68cf64c255fdcd82ab21366297ad232aebace813cdef6994d7e61431cec417300b596d147e39225d19e2661112aa598bba984b5931e7be1ce3ec02bce
- TLSH T19BD0A9B93BE100A7BE37C0AA18F38037BAB5B470203AC80E9AD2134E11B0500BA0435B
- MD5 SHA1 SHA512 TLSH
- Path C:\ProgramData\rp\[email protected]
- Size 525KB
- SHA256 725ab369dd093f70d11745da8a299200a62f969d16a14ecd24183f7f090c2314
- MD5 75793d16f1d6c9897a1224674a2818db
- SHA1 66ccb9bc0099e72d53bcd050a2184ad1a6165868
- SHA512 cb20f659329e0f83a6fef8756bb1a41c3140757fedee09ab5359129d5503749b472d6a0777e809d00be47802eb95db6257c988c1641d7710c4a727c578de3964
- SSDEEP 12288:dcF3UU0AViEhkwkhoo+/TUszmXxr1svZ9Ixt:p1AViE/kHszmXWZK
- TLSH T180B4BE01BAF1C1B2D57664700939EB35CEBCBC211C359D2B63D61E9ABE301519B3AB72
- MD5 SHA1 SHA512 SSDEEP TLSH