Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/08/2026, 09:17
Behavioral task
behavioral1
Sample
881e83327be00889cffdb24696be70d421b2a0b6b29dcb1dbf12cd83fb430149.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
881e83327be00889cffdb24696be70d421b2a0b6b29dcb1dbf12cd83fb430149.exe
Resource
win11ltsc2024-20260709-en
General
- Target 881e83327be00889cffdb24696be70d421b2a0b6b29dcb1dbf12cd83fb430149.exe
- Size 512KB
- Sample260822-k83dtsshla
- SHA256 881e83327be00889cffdb24696be70d421b2a0b6b29dcb1dbf12cd83fb430149
- MD5 c3942a2a196111e8b0ebf7e33ae9d4f8
- SHA1 eb5432df869837dcad2fe67d819ed245091acaa4
- SHA512 866ba7a70761e8bf8aeb82ace4c7d6c8d096689d52a456659b24697aa4f3646e6bc0535905e9320c6b15231f310ec83b8da9619dacba40e14691485bc504d3a5
- SSDEEP 12288:A97mmDmUefn1CvVkeClYRLwvcHk2c+IsPZOrDs:AlxDmRnkvVkhYHk2c+DZe
- TLSH T1E2B4BF01B6F2C1B2DA7654300936E735CEBC7C21183699AB63D61D5BBD30291DB3AB72
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
remcos
-
7.2.6 Pro
-
RemoteHost
-
t4cg.buzz:8080
-
web8kbetchinhthuc.com:8080
-
pafkasiino.top:8080
-
fungameplay.co:8080
-
h19fh.com:8080
-
jokerslot.cc:8080
-
ok3qar.buzz:8080
-
liconline.co.in:8080
-
serbajitu.top:8080
-
www23win.com:8080
-
ditscol.co:8080
-
kuwn51.com:8080
-
j8kbet.com:8080
-
8kbet5.com:8080
-
audio_folder
MicRecords
-
audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
WinService.exe
-
copy_folder
service
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
true
-
install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc_c2-QVLIT2
-
screenshot_crypt
false
-
screenshot_flag
true
-
screenshot_folder
Screenshots
-
screenshot_path
%WinDir%\System32
-
screenshot_time
5
- startup_value
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication 64 IoCs
Network activity triggered a Suricata alert
flow pid Process 205 736 iexplore.exe 205 736 iexplore.exe 218 736 iexplore.exe 218 736 iexplore.exe 86 736 iexplore.exe 86 736 iexplore.exe 142 736 iexplore.exe 142 736 iexplore.exe 123 736 iexplore.exe 123 736 iexplore.exe 150 736 iexplore.exe 150 736 iexplore.exe 204 736 iexplore.exe 204 736 iexplore.exe 167 736 iexplore.exe 167 736 iexplore.exe 34 736 iexplore.exe 34 736 iexplore.exe 175 736 iexplore.exe 175 736 iexplore.exe 50 736 iexplore.exe 50 736 iexplore.exe 222 736 iexplore.exe 222 736 iexplore.exe 15 736 iexplore.exe 15 736 iexplore.exe 45 736 iexplore.exe 45 736 iexplore.exe 69 736 iexplore.exe 69 736 iexplore.exe 184 736 iexplore.exe 184 736 iexplore.exe 155 736 iexplore.exe 155 736 iexplore.exe 152 736 iexplore.exe 152 736 iexplore.exe 171 736 iexplore.exe 171 736 iexplore.exe 186 736 iexplore.exe 186 736 iexplore.exe 89 736 iexplore.exe 89 736 iexplore.exe 87 736 iexplore.exe 87 736 iexplore.exe 156 736 iexplore.exe 156 736 iexplore.exe 185 736 iexplore.exe 185 736 iexplore.exe 214 736 iexplore.exe 214 736 iexplore.exe 231 736 iexplore.exe 231 736 iexplore.exe 124 736 iexplore.exe 124 736 iexplore.exe 154 736 iexplore.exe 154 736 iexplore.exe 224 736 iexplore.exe 224 736 iexplore.exe 188 736 iexplore.exe 188 736 iexplore.exe 55 736 iexplore.exe 55 736 iexplore.exe 56 736 iexplore.exe 56 736 iexplore.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-1-5-21-876885714-46325919-1482798410-1000\Control Panel\International\Geo\Nation 881e83327be00889cffdb24696be70d421b2a0b6b29dcb1dbf12cd83fb430149.exe - Executes dropped EXE 1 IoCs
pid Process 2176 WinService.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc_c2-QVLIT2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\service\\WinService.exe\"" 881e83327be00889cffdb24696be70d421b2a0b6b29dcb1dbf12cd83fb430149.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc_c2-QVLIT2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\service\\WinService.exe\"" 881e83327be00889cffdb24696be70d421b2a0b6b29dcb1dbf12cd83fb430149.exe Set value (str) \REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc_c2-QVLIT2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\service\\WinService.exe\"" WinService.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc_c2-QVLIT2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\service\\WinService.exe\"" WinService.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\Screenshots\time_20260822_101710.jpg iexplore.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2176 set thread context of 736 2176 WinService.exe 89 PID 736 set thread context of 2248 736 iexplore.exe 91 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 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 881e83327be00889cffdb24696be70d421b2a0b6b29dcb1dbf12cd83fb430149.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WinService.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 736 iexplore.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 4992 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 4992 AUDIODG.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 736 iexplore.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 736 iexplore.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 736 iexplore.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2948 wrote to memory of 2176 2948 881e83327be00889cffdb24696be70d421b2a0b6b29dcb1dbf12cd83fb430149.exe 88 PID 2176 wrote to memory of 736 2176 WinService.exe 89 PID 736 wrote to memory of 2248 736 iexplore.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\881e83327be00889cffdb24696be70d421b2a0b6b29dcb1dbf12cd83fb430149.exe"C:\Users\Admin\AppData\Local\Temp\881e83327be00889cffdb24696be70d421b2a0b6b29dcb1dbf12cd83fb430149.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2948 -
C:\Users\Admin\AppData\Roaming\service\WinService.exe"C:\Users\Admin\AppData\Roaming\service\WinService.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2176 -
\??\c:\program files (x86)\internet explorer\iexplore.exe"c:\program files (x86)\internet explorer\iexplore.exe"3⤵
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:736 -
C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.exe"4⤵PID:2248
-
-
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x460 0x2401⤵
- Suspicious use of AdjustPrivilegeToken
PID:4992
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\ProgramData\remcos\logs.dat
- Size 1KB
- SHA256 43b8627637c240c4d2bef32081f1e9785a8991ec5d1aa1d0c34b2f8cdc5e6e05
- MD5 e4c118dd3f21960740fa65564ea95168
- SHA1 4ea9a15a937ad625c59fdca1ce0173f2b1c266a0
- SHA512 3edd22e708c95bd73d08de6e3ef53b13f2c290d78f027efc8b78a88c095aa21c9cdcaa5bce1e2ece68451f818514598cdf5ad6a2e265fd25157fd1d12ff77049
- TLSH T138219A1227F51258F9F3AFA4E9F645592B76BD261838C05C21D40A0E0DF2F4AD5E1773
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\service\WinService.exe
- Size 512KB
- SHA256 881e83327be00889cffdb24696be70d421b2a0b6b29dcb1dbf12cd83fb430149
- MD5 c3942a2a196111e8b0ebf7e33ae9d4f8
- SHA1 eb5432df869837dcad2fe67d819ed245091acaa4
- SHA512 866ba7a70761e8bf8aeb82ace4c7d6c8d096689d52a456659b24697aa4f3646e6bc0535905e9320c6b15231f310ec83b8da9619dacba40e14691485bc504d3a5
- SSDEEP 12288:A97mmDmUefn1CvVkeClYRLwvcHk2c+IsPZOrDs:AlxDmRnkvVkhYHk2c+DZe
- TLSH T1E2B4BF01B6F2C1B2DA7654300936E735CEBC7C21183699AB63D61D5BBD30291DB3AB72
- MD5 SHA1 SHA512 SSDEEP TLSH