Analysis
- max time kernel
300s - max time network
297s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
27/10/2026, 15:49
Static task
static1
Behavioral task
behavioral1
Sample
260513_QT-AD-01.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
260513_QT-AD-01.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260911-en
General
- Target 260513_QT-AD-01.exe
- Size 1.2MB
- Sample261027-s9phcse18m
- SHA256 424e2957ad337d860c7353d6aa74abbf3608410d543acc76c91603bcf0d66466
- MD5 a159d5bfbd795c4c05e19ffb7c9251a6
- SHA1 7dbdb359c5c139cba692624edfe6d9f7769961ba
- SHA512 8f858782d137408b02398245b913a626bcdadac94e9626d7183aa49dcfa080b69e93976b991be24e506a657113970b879c5df7756ea9fbbab8e5315cd31506fc
- SSDEEP 24576:NfYhSGgJIPQ2+Oo9Bujbt2bGYOWCxxSMv7LznoKhcC4VWkvqi:ZXGgJIPQ3FAnt2QSMv7LkTC4hv1
- TLSH T16D4523123214CDA4D561027EC7BD90F207B47E3AEA648A138BF4FF617EF06B145B625A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
RemoteHost
-
95.211.45.43:2404
-
audio_folder
MicRecords
-
audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-W5WW3T
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Family: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
pid Process 2296 260513_QT-AD-01.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook 260513_QT-AD-01.exe Key enumerated \REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook 260513_QT-AD-01.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
flow ioc 10 drive.google.com 2 drive.google.com - Suspicious use of NtCreateThreadExHideFromDebugger 1 TTPs 1 IoCs
pid Process 2540 260513_QT-AD-01.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs
pid Process 2296 260513_QT-AD-01.exe 2540 260513_QT-AD-01.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 260513_QT-AD-01.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 260513_QT-AD-01.exe - 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 260513_QT-AD-01.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 260513_QT-AD-01.exe - Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
pid Process 2296 260513_QT-AD-01.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2540 260513_QT-AD-01.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2296 wrote to memory of 3668 2296 260513_QT-AD-01.exe 90 PID 2296 wrote to memory of 2540 2296 260513_QT-AD-01.exe 91 PID 2296 wrote to memory of 2540 2296 260513_QT-AD-01.exe 91 PID 2540 wrote to memory of 3964 2540 260513_QT-AD-01.exe 92 - outlook_office_path 1 IoCs
description ioc Process Key enumerated \REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook 260513_QT-AD-01.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\260513_QT-AD-01.exe"C:\Users\Admin\AppData\Local\Temp\260513_QT-AD-01.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2296 -
C:\Users\Admin\AppData\Local\Temp\260513_QT-AD-01.exe"C:\Users\Admin\AppData\Local\Temp\260513_QT-AD-01.exe"2⤵PID:3668
-
-
C:\Users\Admin\AppData\Local\Temp\260513_QT-AD-01.exe"C:\Users\Admin\AppData\Local\Temp\260513_QT-AD-01.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
PID:2540 -
C:\Users\Admin\AppData\Local\Temp\260513_QT-AD-01.exe"C:\Users\Admin\AppData\Local\Temp\260513_QT-AD-01.exe"3⤵PID:3964
-
-
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\remcos\logs.dat
- Size 102B
- SHA256 563bbd3b93376a0b303fae132c4fe6070f78fa9979d37edeb62353fd9f3a4765
- MD5 63c572a004d6632321ec0c25a60259aa
- SHA1 5db07ecc75d171e7377d39f856aeccc3621269ff
- SHA512 c2de730ec7f43690103a7dc8e9256c23e5218648925f6d01a7e5c7a51ab80998f20c3a8025bd6d8c8dfa5e144de9c0196ce0c1dbb60c7508fed0387592a2c23e
- TLSH T1DDB0125837F12046B9A8E17E98B70016A870B9540039880C21D1034E257470020847AF
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nslA8A6.tmp\System.dll
- Size 12KB
- SHA256 23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
- MD5 192639861e3dc2dc5c08bb8f8c7260d5
- SHA1 58d30e460609e22fa0098bc27d928b689ef9af78
- SHA512 6e573d8b2ef6ed719e271fd0b2fd9cd451f61fc9a9459330108d6d7a65a0f64016303318cad787aa1d5334ba670d8f1c7c13074e1be550b4a316963ecc465cdc
- SSDEEP 192:ljHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZqE0QPi:R/Qlt7wiij/lMRv/9V4bfr
- TLSH T1B1427C1297B089F2F551493419667F2A6FBEAC5C13F405A3CFE304C63D212CB9839243
- MD5 SHA1 SHA512 SSDEEP TLSH