Analysis
- max time kernel
104s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20250610-en - resource tags
arch:x64arch:x86image:win10v2004-20250610-enlocale:en-usos:windows10-2004-x64system - submitted
19/08/2025, 15:39
Static task
static1
Behavioral task
behavioral1
Sample
Loader.exe
Resource
win10v2004-20250610-en
Behavioral task
behavioral2
Sample
Loader.exe
Resource
win11-20250619-en
General
- Target Loader.exe
- Size 1.3MB
- Sample250819-s3tthavp14
- SHA256 cb0704fb2fe120b1318a295470ce7c8d2b0b33c8d1fea9d4c4b222cf8f603e97
- MD5 0d886627f381eb55e14c972cb9f984ca
- SHA1 22275c3c51913edcd56590347141a6fd86d8bc0b
- SHA512 57bbe579851d43b205c6ed60d588311d656f139344625f5162771b368fd1719145486e503da83ddd8c078a1832d035be62467cf13bf16c6e7a88fc83dbdf1dd7
- SSDEEP 24576:9RaP10vxZsz3mb0rHoTS6a2Em88LMLfxa/DsWyR9kUVuG9vH/v:9Ragx2zWgrHgS6L5ML5ysRzkEd
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
lumma
-
https://cursilibim.ru/zajd
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https://mastwin.in/qsaz
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https://tiltyufaz.ru/tlxa
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https://runmgov.ru/tixd
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https://semipervaz.ru/xued
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https://capitalior.ru/akts
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https://retrofik.ru/jgur
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https://shagkeg.ru/xkzd
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https://copulardi.ru/xhza
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build_id
ee671ad72001d4d2df6e84e0c02b6b261abb3ad2826f2b8720
Signatures
- Lumma family
- Modifies trusted root certificate store through registry 1 TTPs 2 IoCs
A root certificate was added, modified, or removed in the trusted certificate store registry paths.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\EnterpriseCertificates\CA\Certificates MSBuild.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\EnterpriseCertificates\Root\Certificates MSBuild.exe - Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\A: Loader.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5788 set thread context of 1328 5788 Loader.exe 83 - System Location Discovery: System Language Discovery 1 TTPs 1 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 MSBuild.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1328 MSBuild.exe 1328 MSBuild.exe 1328 MSBuild.exe 1328 MSBuild.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 5788 wrote to memory of 1328 5788 Loader.exe 83 PID 5788 wrote to memory of 1328 5788 Loader.exe 83 PID 5788 wrote to memory of 1328 5788 Loader.exe 83 PID 5788 wrote to memory of 1328 5788 Loader.exe 83 PID 5788 wrote to memory of 1328 5788 Loader.exe 83 PID 5788 wrote to memory of 1328 5788 Loader.exe 83 PID 5788 wrote to memory of 1328 5788 Loader.exe 83 PID 5788 wrote to memory of 1328 5788 Loader.exe 83 PID 5788 wrote to memory of 1328 5788 Loader.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\Loader.exe"C:\Users\Admin\AppData\Local\Temp\Loader.exe"1⤵
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5788 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Modifies trusted root certificate store through registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1328
-