Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
25/08/2026, 18:46
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
bb1987fabdf0f6b9e1ef069225c6b9c32c74825b23c5e57732359030180f8411.dll
Resource
win10v2004-20260513-en
windows10-2004-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
bb1987fabdf0f6b9e1ef069225c6b9c32c74825b23c5e57732359030180f8411.dll
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
3 signatures
150 seconds
General
- Target bb1987fabdf0f6b9e1ef069225c6b9c32c74825b23c5e57732359030180f8411.dll
- Size 913KB
- Sample260825-xe1pcsae62
- SHA256 bb1987fabdf0f6b9e1ef069225c6b9c32c74825b23c5e57732359030180f8411
- MD5 41a4db4f0045b52faae32cc301b58c06
- SHA1 1290bc1a6f99403f66006d962d8f6750ecc379e1
- SHA512 7883f0138560eed53321342369c9f33fb7f3722ef37f3db7df046ea21c9c788f4bfce912956ecc71fc41d63f6d2526f48d1ad19303acf3095ac31e835f0e8018
- SSDEEP 12288:O3K8AkYF5qk1E5zkEkeVVAGJH4JvFquK2+c3wrhoelIiKBDu5F1wwE9Ducd6hL6w:mK8ShC2oMOTGKf64jX
- TLSH T1F3153811B1EA95F2EAB7267549BBE7FB05397C608831DF5FA118180E9F33EC09914722
- 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 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B089}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B09D}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}\ = "JScript Language Encoding" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\JSFile\Shell\Open2\Command regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B089}\TypeLib\ = "{3EEF9759-35FC-11D1-8CE4-00C04FC2B085}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B093}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B09A}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3EEF9759-35FC-11D1-8CE4-00C04FC2B085}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bb1987fabdf0f6b9e1ef069225c6b9c32c74825b23c5e57732359030180f8411.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B092}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B097}\ = "ObjectInstance" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B099}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B0A0}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3EEF9759-35FC-11D1-8CE4-00C04FC2B085}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B09B}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B09C}\TypeLib\ = "{3EEF9759-35FC-11D1-8CE4-00C04FC2B085}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f414c261-6ac0-11cf-b6d1-00aa00bbbb58}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bb1987fabdf0f6b9e1ef069225c6b9c32c74825b23c5e57732359030180f8411.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\JScript\CLSID\ = "{F414C260-6AC0-11CF-B6D1-00AA00BBBB58}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\JavaScript1.3\CLSID\ = "{F414C260-6AC0-11CF-B6D1-00AA00BBBB58}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B093}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B095}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B096}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B09E}\ProxyStubClsid regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\JSFile\ScriptEngine regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3EEF9759-35FC-11D1-8CE4-00C04FC2B085}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B09B}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\JScript Author\CLSID\ = "{F414C261-6AC0-11CF-B6D1-00AA00BBBB58}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\JSFile\ScriptEngine regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B086}\ProxyStubClsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B089}\ = "NumberObj" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B0A0}\TypeLib\ = "{3EEF9759-35FC-11D1-8CE4-00C04FC2B085}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\JavaScript\CLSID\ = "{F414C260-6AC0-11CF-B6D1-00AA00BBBB58}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\JSFile regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B096}\ = "NumberInstance" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B098}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B092}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B090}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B098} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B094}\TypeLib\ = "{3EEF9759-35FC-11D1-8CE4-00C04FC2B085}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B099}\ = "RegExpInstance" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B09A}\ProxyStubClsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B09A}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B0A0}\ = "URIErrorInstance" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\JScript.Encode\ = "JScript Language Encoding" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\JSFile\ShellEx\DropHandler regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B097}\ProxyStubClsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B095}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\LiveScript Author\CLSID\ = "{F414C261-6AC0-11CF-B6D1-00AA00BBBB58}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B098}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B0A0} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B087}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B095}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B096}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B09C}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{f414c262-6ac0-11cf-b6d1-00aa00bbbb58}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bb1987fabdf0f6b9e1ef069225c6b9c32c74825b23c5e57732359030180f8411.dll" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\JSFile\ShellEx\PropertySheetHandlers\WSHProps regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B092}\ = "ArrayInstance" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B088}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B091}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B097}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B099} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B09C}\ProxyStubClsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B09C}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2488 wrote to memory of 4184 2488 regsvr32.exe 89
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\bb1987fabdf0f6b9e1ef069225c6b9c32c74825b23c5e57732359030180f8411.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\bb1987fabdf0f6b9e1ef069225c6b9c32c74825b23c5e57732359030180f8411.dll2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:4184
-