Analysis
- max time kernel
149s - max time network
155s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/08/2026, 02:56
Static task
static1
Behavioral task
behavioral1
Sample
e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260709-en
General
- Target e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe
- Size 183KB
- Sample260801-de7ccsweka
- SHA256 e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807
- MD5 a6595f6624d0c36864d2c2459b5993cb
- SHA1 d12e406c4a3b3258124d79f60b84e2bd1d3ecdda
- SHA512 6c3d04560bec39cb326ac30820d47b4e026d2a95668e3eb9b7c9c88575a3c8636b60def867231eddee56e95d0d502c044bc457afd6f4eab600cb40b22c1c472a
- SSDEEP 3072:IlnffjVrwUak7uVPaEEIdNBuHA7RRr/Kb7uHL3thNqxufn58gCGX:IlnhrwtVPZEiXUA77rgwhNqxi5Z/X
- TLSH T1F704E151BAA0C977D9E10A310E3546FAD6E7AD54119083072F803FAB7D376B2990F7A3
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Family: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 2 IoCs
pid Process 4128 e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe 4128 e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe - Contacts third-party web service commonly abused for C2 1 TTPs 4 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
flow ioc 14 drive.google.com 21 drive.google.com 1 drive.google.com 6 drive.google.com - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4128 e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe 1700 e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.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 e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4128 e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4128 wrote to memory of 1268 4128 e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe 90 PID 4128 wrote to memory of 1700 4128 e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe 91 PID 4128 wrote to memory of 1700 4128 e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe 91 PID 1700 wrote to memory of 4544 1700 e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe"C:\Users\Admin\AppData\Local\Temp\e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4128 -
C:\Users\Admin\AppData\Local\Temp\e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe"C:\Users\Admin\AppData\Local\Temp\e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe"2⤵PID:1268
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C:\Users\Admin\AppData\Local\Temp\e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe"C:\Users\Admin\AppData\Local\Temp\e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1700 -
C:\Users\Admin\AppData\Local\Temp\e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe"C:\Users\Admin\AppData\Local\Temp\e051040d946596352938a6f7bb789dc2aba4953d31c803fe66e1616986545807.exe"3⤵PID:4544
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsk2A8.tmp\System.dll
- Size 12KB
- SHA256 996645d7f16a6294babb6da83478062aed7b72318d7a51b66e90ab5d3edc51a5
- MD5 6d08f0d5503bb100b8429fefaad163a6
- SHA1 2a79aac2d3b715326c3dcd3c5cf2e33de3632a0a
- SHA512 e259b1aff39c533e3e31cf4eb323c8eb22b2beeb5d8ce2c929de30702a6d8ab8076aeacc983d724b05d7d99a6de8c4d239bd159642c7e75fb86faef683360a1f
- SSDEEP 192:cjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZr0QPi:s/Qlt7wiij/lMRv/9V4brr
- TLSH T1A9427C1297B089F2F151093819667F2A6FBEAC5C23F405A3CFE304C63D212CB9879243
- MD5 SHA1 SHA512 SSDEEP TLSH