Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
18/05/2026, 22:27
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
tmp5n_pzrgg.exe
Resource
win10ltsc2021-20260513-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmp5n_pzrgg.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral3
Sample
tmp5n_pzrgg.exe
Resource
win11-20260513-en
6 signatures
150 seconds
General
- Target tmp5n_pzrgg.exe
- Size 201KB
- Sample260518-2c8dmsdv9v
- SHA256 3a6e86ca55f010a70a477412df2f4d2570f641e5b2b716e617fed4af93230a36
- MD5 d17ad966ee9463c84e989fef7eac294a
- SHA1 f491c1075582fe3a6e0ed442c557d72f67292b72
- SHA512 797c78fea6d32bd33adafab5c311d713b03b3f5e308a28fe8683e4e3180a9d727126b363193e18d81cf604c179ca93fbac19cc07014d65eb45bab6f9ccfa69c3
- SSDEEP 3072:8Ae+3aJpgWXTBuCTkNqhNCWFyTj67iAbcWHHCJo31o1VEmtxKs3D+prnsinyfUP+:fB+pgUnwqBLlHHhFo1Fx3atnxyfUW
- TLSH T13E140200B6EEC027CA550B355C7EA377AFE0FA591AA3DA676300BB9D3975745C90C3A0
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Loads dropped DLL 1 IoCs
pid Process 1100 tmp5n_pzrgg.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1100 set thread context of 2244 1100 tmp5n_pzrgg.exe 84 - 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 tmp5n_pzrgg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tmp5n_pzrgg.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1100 tmp5n_pzrgg.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1100 wrote to memory of 2244 1100 tmp5n_pzrgg.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\tmp5n_pzrgg.exe"C:\Users\Admin\AppData\Local\Temp\tmp5n_pzrgg.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1100 -
C:\Users\Admin\AppData\Local\Temp\tmp5n_pzrgg.exe"C:\Users\Admin\AppData\Local\Temp\tmp5n_pzrgg.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2244
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsf1E53.tmp\System.dll
- Size 11KB
- SHA256 2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
- MD5 a4dd044bcd94e9b3370ccf095b31f896
- SHA1 17c78201323ab2095bc53184aa8267c9187d5173
- SHA512 87335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a
- SSDEEP 192:em24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35OlESl:m8QIl975eXqlWBrz7YLOlE
- TLSH T168325C12135081F3E4918138886B3A276B6A15029BF98E57DFD39646BE21BE3BD7D603
- MD5 SHA1 SHA512 SSDEEP TLSH