Analysis
- max time kernel
148s - max time network
142s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 16:52
Behavioral task
behavioral1
Sample
3bb33e649bb8639a711a99d99ab60bf8b43b2db1c99fb9bfe408259c5a08ad39.dll
Resource
win10v2004-20260513-en
windows10-2004-x64
4 signatures
150 seconds
General
- Target 3bb33e649bb8639a711a99d99ab60bf8b43b2db1c99fb9bfe408259c5a08ad39.dll
- Size 8.9MB
- Sample260804-vdsagsan81
- SHA256 3bb33e649bb8639a711a99d99ab60bf8b43b2db1c99fb9bfe408259c5a08ad39
- MD5 a356769b2b9520ee738e4c08e1626713
- SHA1 45499737ee6daa8b400d181e0d4b807b5ccc2fb8
- SHA512 db95d8e284f26c13caa9a83106e89666504e648034ff3670813a5e0ba9025986e01b9507e372edc512e6fe8ed0305dc22ae16632392e0e4cfcf6eed43e0b3346
- SSDEEP 196608:emyKbUEVhIF+VyXhhVGY3T0xz4W+sMZKM89vA:5dUL6yXhjbwxz46oKM
- TLSH T1C49633676F45B879F2629472102B336A48E1EC455ED6BB312F08C6B94C723C8FBD4DA1
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/2684-0-0x0000000010000000-0x0000000010C06000-memory.dmp upx - 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 regsvr32.exe - Modifies registry class 37 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ProgID\ = "dm.dmsoft" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\ = "dm.dmsoft" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CurVer\ = "dm.dmsoft" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ = "Idmsoft" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\ = "{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ = "Idmsoft" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\ = "dm" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\HELPDIR\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\ = "{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3bb33e649bb8639a711a99d99ab60bf8b43b2db1c99fb9bfe408259c5a08ad39.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CLSID\ = "{26037A0E-7CBD-4FFF-9C63-56F2D0770214}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ = "dm.dmsoft" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3bb33e649bb8639a711a99d99ab60bf8b43b2db1c99fb9bfe408259c5a08ad39.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C} regsvr32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2032 wrote to memory of 2684 2032 regsvr32.exe 91
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\3bb33e649bb8639a711a99d99ab60bf8b43b2db1c99fb9bfe408259c5a08ad39.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2032 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\3bb33e649bb8639a711a99d99ab60bf8b43b2db1c99fb9bfe408259c5a08ad39.dll2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2684
-