Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/07/2026, 11:41
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1b970322336843fa1d8c76e42143f014a61e8eb546e88e74bf8365dace946e92.dll
Resource
win10v2004-20260513-en
windows10-2004-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
1b970322336843fa1d8c76e42143f014a61e8eb546e88e74bf8365dace946e92.dll
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
3 signatures
150 seconds
General
- Target 1b970322336843fa1d8c76e42143f014a61e8eb546e88e74bf8365dace946e92.dll
- Size 108KB
- Sample260730-ntrwbshn21
- SHA256 1b970322336843fa1d8c76e42143f014a61e8eb546e88e74bf8365dace946e92
- MD5 141d41ff9edda34385f7222286b5b571
- SHA1 272500bc763d5b3dbe8f7e89a69fcba0e2751cce
- SHA512 0db1c00d0e3a58f1cd29b96ccdc8ae0181851ab5d06bfc81975089b959670a4c11783d87ac0b2718aff927ec4f9b53f36b44d0d12b66d88a9c839f1dbf609e83
- SSDEEP 1536:hPAdulv5SvWOcxFJRgwePMSTJ+JsFnKA3/oM3MqprT4c:hPAdnwxFJu5PoyFnKAPoerprMc
- TLSH T139B39C01B6E1C477D2DA413D59669B3AA7BBAE308EF14D436B643B4CAE31151CF2720E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
- 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 27 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\KDGBCustSaveOther.CustSaveOthercoms.1\CLSID\ = "{44981C6C-BEB7-4A65-BB3C-ED1850FF09AA}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44981C6C-BEB7-4A65-BB3C-ED1850FF09AA}\ = "CustSaveOthercoms Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44981C6C-BEB7-4A65-BB3C-ED1850FF09AA}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\KDGBCustSaveOther.CustSaveOthercoms regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\KDGBCustSaveOther.CustSaveOthercoms\CLSID\ = "{44981C6C-BEB7-4A65-BB3C-ED1850FF09AA}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44981C6C-BEB7-4A65-BB3C-ED1850FF09AA}\VersionIndependentProgID\ = "KDGBCustSaveOther.CustSaveOthercoms" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44981C6C-BEB7-4A65-BB3C-ED1850FF09AA}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1b970322336843fa1d8c76e42143f014a61e8eb546e88e74bf8365dace946e92.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8C53501-301D-4CF2-A17E-04FA166D2D4E} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8C53501-301D-4CF2-A17E-04FA166D2D4E}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8C53501-301D-4CF2-A17E-04FA166D2D4E}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8C53501-301D-4CF2-A17E-04FA166D2D4E}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\KDGBCustSaveOther.CustSaveOthercoms\ = "CustSaveOthercoms Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\KDGBCustSaveOther.CustSaveOthercoms\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44981C6C-BEB7-4A65-BB3C-ED1850FF09AA}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44981C6C-BEB7-4A65-BB3C-ED1850FF09AA}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44981C6C-BEB7-4A65-BB3C-ED1850FF09AA}\InprocServer32\ThreadingModel = "both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8C53501-301D-4CF2-A17E-04FA166D2D4E}\1.0\ = "KDGBCustSaveOther 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8C53501-301D-4CF2-A17E-04FA166D2D4E}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8C53501-301D-4CF2-A17E-04FA166D2D4E}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1b970322336843fa1d8c76e42143f014a61e8eb546e88e74bf8365dace946e92.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\KDGBCustSaveOther.CustSaveOthercoms.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\KDGBCustSaveOther.CustSaveOthercoms.1\ = "CustSaveOthercoms Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\KDGBCustSaveOther.CustSaveOthercoms.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44981C6C-BEB7-4A65-BB3C-ED1850FF09AA} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{44981C6C-BEB7-4A65-BB3C-ED1850FF09AA}\ProgID\ = "KDGBCustSaveOther.CustSaveOthercoms.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8C53501-301D-4CF2-A17E-04FA166D2D4E}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8C53501-301D-4CF2-A17E-04FA166D2D4E}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8C53501-301D-4CF2-A17E-04FA166D2D4E}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5044 wrote to memory of 4540 5044 regsvr32.exe 88
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\1b970322336843fa1d8c76e42143f014a61e8eb546e88e74bf8365dace946e92.dll1⤵
- Suspicious use of WriteProcessMemory
PID:5044 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\1b970322336843fa1d8c76e42143f014a61e8eb546e88e74bf8365dace946e92.dll2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:4540
-