Analysis
- max time kernel
148s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
15/07/2026, 15:12
Static task
static1
Behavioral task
behavioral1
Sample
Dialysepatienter.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Dialysepatienter.exe
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260710-en
General
- Target Dialysepatienter.exe
- Size 218KB
- Sample260715-slbxcsat7x
- SHA256 26fc8807ce9a5e6dc534c237d84c2ac7491755532a2078878bc8fb1695fcb2eb
- MD5 44ddc80c714f91959bcaa1aeb3cfe1d5
- SHA1 7a5ce656b36a081d0f93d5add93a9c8ddc329abf
- SHA512 33d7d52c606db4f42e9d67a67e1ac248b123c71be6c55ac97f5dbaf755e0b969b8edf619c8a4b7afcd9a951c3b8e580c93f4a90380467cad48300d8186ab6f1e
- SSDEEP 6144:LT4DtAX5NIc71RWI89tgqNw2Tn1LJ3kcMGuzIz39zl:LT35/z89lJCGl31l
- TLSH T1FB2412A07769D453E7C382730875A77A2FF9A1BA66249F076F023E0CBD92782550F312
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
217.217.97.75:8787
-
U1hmcTZViRT7
-
delay
3
-
install
false
-
install_folder
%AppData%
Signatures
- Family: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound 2 IoCs
Network activity triggered a Suricata alert
flow pid Process 2 2828 Dialysepatienter.exe 2 2828 Dialysepatienter.exe - Loads dropped DLL 1 IoCs
pid Process 4960 Dialysepatienter.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 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2246396966-3025826688-3847171515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Startup key = "C:\\Users\\Admin\\AppData\\Local\\Temp\\subfolder1\\Coverlid.exe" Dialysepatienter.exe - Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 2828 Dialysepatienter.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4960 Dialysepatienter.exe 2828 Dialysepatienter.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 Dialysepatienter.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Dialysepatienter.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3ADD1653-EB32-4cb0-BBD7-DFA0ABB5ACCA}\Instance\ Dialysepatienter.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4960 Dialysepatienter.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2828 Dialysepatienter.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4960 wrote to memory of 3248 4960 Dialysepatienter.exe 88 PID 4960 wrote to memory of 2828 4960 Dialysepatienter.exe 89 PID 4960 wrote to memory of 2828 4960 Dialysepatienter.exe 89 PID 2828 wrote to memory of 3896 2828 Dialysepatienter.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\Dialysepatienter.exe"C:\Users\Admin\AppData\Local\Temp\Dialysepatienter.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4960 -
C:\Users\Admin\AppData\Local\Temp\Dialysepatienter.exe"C:\Users\Admin\AppData\Local\Temp\Dialysepatienter.exe"2⤵PID:3248
-
-
C:\Users\Admin\AppData\Local\Temp\Dialysepatienter.exe"C:\Users\Admin\AppData\Local\Temp\Dialysepatienter.exe"2⤵
- Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2828 -
C:\Users\Admin\AppData\Local\Temp\Dialysepatienter.exe"C:\Users\Admin\AppData\Local\Temp\Dialysepatienter.exe"3⤵PID:3896
-
-
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nstF3C3.tmp\System.dll
- Size 12KB
- SHA256 acf90ab6f4edc687e94aaf604d05e16e6cfb5e35873783b50c66f307a35c6506
- MD5 6e55a6e7c3fdbd244042eb15cb1ec739
- SHA1 070ea80e2192abc42f358d47b276990b5fa285a9
- SHA512 2d504b74da38edc967e3859733a2a9cacd885db82f0ca69bfb66872e882707314c54238344d45945dc98bae85772aceef71a741787922d640627d3c8ae8f1c35
- SSDEEP 192:MenY0qWTlt70IAj/lQ0sEWc/wtYbBH2aDybC7y+XBaIwL:M8+Qlt70Fj/lQRY/9VjjgL
- TLSH T1BE428D1193B089F2F590593805A67F2A6FBEAC5C27E44A63CFE345853D702DFA47A243
- MD5 SHA1 SHA512 SSDEEP TLSH