Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260617-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/06/2026, 15:01
Behavioral task
behavioral1
Sample
c75d8323a4288498f44893d1549ecc98be5b4dc3e8987.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
c75d8323a4288498f44893d1549ecc98be5b4dc3e8987.exe
Resource
win11ltsc2024-20260617-en
General
- Target c75d8323a4288498f44893d1549ecc98be5b4dc3e8987.exe
- Size 513KB
- Sample260626-sdx5mact3w
- SHA256 c75d8323a4288498f44893d1549ecc98be5b4dc3e89875189fe45f2eee0de36a
- MD5 3ed46511118ca32e085a53caca44a09b
- SHA1 9e8fa6e35b2122fad071a03b6180bf345f7e0f61
- SHA512 3f4bb08022bd7bce2f151c72c76db8b8295c7d52893beb1c05c90f6fd6a55a774189bfd04aa38af87291eb1a38ac40189e3497f70542c626a0458a36bf109681
- SSDEEP 12288:VlQAiR49ckiK7JV8AuE4lKC/kPHM9/IsPZSmj/:Vl0GcNUJV8i4mHM9/DZ/
- TLSH T164B4AF02B6F2C0B2DA7664300936E735DEBC7C31183699AB63D61D5BBD30151DB39AB2
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
remcos
-
7.2.5 Pro
-
24041
-
62.60.226.68:24041
-
audio_folder
MicRecords
-
audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
smsmng.exe
-
copy_folder
Config
-
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
TRY157-9405HX
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Suricata alert: REMCOS RAT Malware Inbound C2 Communication 5 IoCs
Network activity triggered a Suricata alert
flow pid Process 4 2376 smsmng.exe 4 2376 smsmng.exe 4 2376 smsmng.exe 4 2376 smsmng.exe 4 2376 smsmng.exe - Suricata alert: REMCOS RAT Malware Outbound C2 Communication 6 IoCs
Network activity triggered a Suricata alert
flow pid Process 4 2376 smsmng.exe 4 2376 smsmng.exe 4 2376 smsmng.exe 4 2376 smsmng.exe 4 2376 smsmng.exe 4 2376 smsmng.exe - Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe - Executes dropped EXE 1 IoCs
pid Process 2376 smsmng.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\TRY157-9405HX = "\"C:\\Users\\Admin\\AppData\\Roaming\\Config\\smsmng.exe\"" smsmng.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Software\Microsoft\Windows\CurrentVersion\Run\TRY157-9405HX = "\"C:\\Users\\Admin\\AppData\\Roaming\\Config\\smsmng.exe\"" c75d8323a4288498f44893d1549ecc98be5b4dc3e8987.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\TRY157-9405HX = "\"C:\\Users\\Admin\\AppData\\Roaming\\Config\\smsmng.exe\"" c75d8323a4288498f44893d1549ecc98be5b4dc3e8987.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Software\Microsoft\Windows\CurrentVersion\Run\TRY157-9405HX = "\"C:\\Users\\Admin\\AppData\\Roaming\\Config\\smsmng.exe\"" smsmng.exe - Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: explorer.exe File opened (read-only) \??\F: explorer.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 smsmng.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c75d8323a4288498f44893d1549ecc98be5b4dc3e8987.exe - Checks SCSI registry key(s) 3 TTPs 62 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_HL-DT-ST_DVD+-RW\4&215468A5&0&010000 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Capabilities explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\FriendlyName explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0009 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\005A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{259abffc-50a7-47ce-af08-68c9a7d73366}\000C explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\FriendlyName explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\0064 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\UpperFilters explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\005A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\007A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0002 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\ConfigFlags explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0004 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\007A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0009 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{afd97640-86a3-4210-b67c-289c41aabe55}\0002 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{afd97640-86a3-4210-b67c-289c41aabe55}\0002 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0004 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{259abffc-50a7-47ce-af08-68c9a7d73366}\000C explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\ConfigFlags explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\UpperFilters explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{a45c254e-df1c-4efd-8020-67d146a850e0}\0011 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\005A explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\HardwareID explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\0064 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Capabilities explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{a45c254e-df1c-4efd-8020-67d146a850e0}\0011 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Capabilities explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0009 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{afd97640-86a3-4210-b67c-289c41aabe55}\0003 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{259abffc-50a7-47ce-af08-68c9a7d73366}\000C explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0004 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\0064 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{afd97640-86a3-4210-b67c-289c41aabe55}\0003 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0004 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\HardwareID explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\007A explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{78c34fc8-104a-4aca-9ea4-524d52996e57}\005A explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\HardwareID explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{8c7ed206-3f8a-4827-b3ab-ae9e1faefc6c}\0002 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\0009 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{259abffc-50a7-47ce-af08-68c9a7d73366}\000C explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006 explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_HL-DT-ST_DVD+-RW\4&215468a5&0&010000\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\007A explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\FriendlyName explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\HardwareID explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{51236583-0c4a-4fe8-b81f-166aec13f510}\0064 explorer.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Capabilities explorer.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000\Software\Microsoft\Internet Explorer\Main explorer.exe - Modifies registry class 38 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\EdpDomStorage SearchHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.startmenuexperiencehost_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:" StartMenuExperienceHost.exe Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-28459746-3881314244-166055492-1000\{6240D5F7-8444-469B-A8C0-CDA8F428B06E} explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\MuiCache StartMenuExperienceHost.exe Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\MuiCache SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:" SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DomStorageState SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\client.cbs SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{374DE290-123F-4565-9164-39C4925E467B}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\EdpDomStorage\client.cbs SearchHost.exe Set value (int) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\microsoftwindows.client.cbs\ = "23" SearchHost.exe Set value (int) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\client.cbs\Total = "23" SearchHost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4BFCC3A-DB2C-424C-B029-7FE99A87C641}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\microsoftwindows.client.cbs SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\EdpDomStorage\microsoftwindows.client.cbs SearchHost.exe Set value (data) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1CF1260C-4DD0-4ebb-811F-33C572699FDE}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\EdpDomStorage\Total SearchHost.exe Set value (int) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\microsoftwindows.client.cbs\ = "56" SearchHost.exe Set value (data) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-28459746-3881314244-166055492-1000\{3EAA46F1-A060-49DD-A02D-157A67B39E36} explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix SearchHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" SearchHost.exe Set value (int) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "56" SearchHost.exe Set value (int) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\client.cbs\Total = "56" SearchHost.exe Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total SearchHost.exe Set value (int) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage\Total\ = "23" SearchHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.startmenuexperiencehost_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix StartMenuExperienceHost.exe Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A0953C92-50DC-43bf-BE83-3742FED03C9C}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Explorer\DOMStorage SearchHost.exe Set value (str) \REGISTRY\USER\S-1-5-21-28459746-3881314244-166055492-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.startmenuexperiencehost_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:" StartMenuExperienceHost.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4524 explorer.exe 4524 explorer.exe - Suspicious use of AdjustPrivilegeToken 28 IoCs
description pid Process Token: SeShutdownPrivilege 4524 explorer.exe Token: SeCreatePagefilePrivilege 4524 explorer.exe Token: SeShutdownPrivilege 4524 explorer.exe Token: SeCreatePagefilePrivilege 4524 explorer.exe Token: SeShutdownPrivilege 4524 explorer.exe Token: SeCreatePagefilePrivilege 4524 explorer.exe Token: SeShutdownPrivilege 4524 explorer.exe Token: SeCreatePagefilePrivilege 4524 explorer.exe Token: SeShutdownPrivilege 4524 explorer.exe Token: SeCreatePagefilePrivilege 4524 explorer.exe Token: SeShutdownPrivilege 4524 explorer.exe Token: SeCreatePagefilePrivilege 4524 explorer.exe Token: SeShutdownPrivilege 4524 explorer.exe Token: SeCreatePagefilePrivilege 4524 explorer.exe Token: SeShutdownPrivilege 4524 explorer.exe Token: SeCreatePagefilePrivilege 4524 explorer.exe Token: SeShutdownPrivilege 4524 explorer.exe Token: SeCreatePagefilePrivilege 4524 explorer.exe Token: SeShutdownPrivilege 4524 explorer.exe Token: SeCreatePagefilePrivilege 4524 explorer.exe Token: SeShutdownPrivilege 4524 explorer.exe Token: SeCreatePagefilePrivilege 4524 explorer.exe Token: SeShutdownPrivilege 4524 explorer.exe Token: SeCreatePagefilePrivilege 4524 explorer.exe Token: SeShutdownPrivilege 4524 explorer.exe Token: SeCreatePagefilePrivilege 4524 explorer.exe Token: SeShutdownPrivilege 4524 explorer.exe Token: SeCreatePagefilePrivilege 4524 explorer.exe - Suspicious use of FindShellTrayWindow 53 IoCs
pid Process 2084 sihost.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe - Suspicious use of SendNotifyMessage 39 IoCs
pid Process 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe 4524 explorer.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1832 StartMenuExperienceHost.exe 1480 SearchHost.exe 4524 explorer.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4752 wrote to memory of 2376 4752 c75d8323a4288498f44893d1549ecc98be5b4dc3e8987.exe 89 PID 2084 wrote to memory of 4524 2084 sihost.exe 95 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
- Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\c75d8323a4288498f44893d1549ecc98be5b4dc3e8987.exe"C:\Users\Admin\AppData\Local\Temp\c75d8323a4288498f44893d1549ecc98be5b4dc3e8987.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4752 -
C:\Users\Admin\AppData\Roaming\Config\smsmng.exe"C:\Users\Admin\AppData\Roaming\Config\smsmng.exe"2⤵
- Suricata alert: REMCOS RAT Malware Inbound C2 Communication
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:2376
-
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C:\Windows\system32\sihost.exesihost.exe1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2084 -
C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵
- Boot or Logon Autostart Execution: Active Setup
- Enumerates connected drives
- Checks SCSI registry key(s)
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:4524
-
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1480
-
C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1832
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
- Size 595B
- SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
- MD5 4454c8e578515db43fadd90604ae7675
- SHA1 3912ffa00c3a5c86fae6500a0074284d9f668976
- SHA512 b17559d466cb6954554c4f879b396ff8431c730f837205547ab46329c6517cd35a719378efa55d78c01b739414dd320157f120feb12e28e1ae90ce7c53a0c75c
- TLSH T117F0DC47E7B15216C926123CC89724E1B730F5917DD1162341056F5D2C373101F17CB8
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\Config\smsmng.exe
- Size 513KB
- SHA256 c75d8323a4288498f44893d1549ecc98be5b4dc3e89875189fe45f2eee0de36a
- MD5 3ed46511118ca32e085a53caca44a09b
- SHA1 9e8fa6e35b2122fad071a03b6180bf345f7e0f61
- SHA512 3f4bb08022bd7bce2f151c72c76db8b8295c7d52893beb1c05c90f6fd6a55a774189bfd04aa38af87291eb1a38ac40189e3497f70542c626a0458a36bf109681
- SSDEEP 12288:VlQAiR49ckiK7JV8AuE4lKC/kPHM9/IsPZSmj/:Vl0GcNUJV8i4mHM9/DZ/
- TLSH T164B4AF02B6F2C0B2DA7664300936E735DEBC7C31183699AB63D61D5BBD30151DB39AB2
- MD5 SHA1 SHA512 SSDEEP TLSH