c66715281d953569826fecf689be30ec2a533179efc746fc7777af552290c044

Analysis

max time kernel
148s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/10/2026, 00:31

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General

Target
c66715281d953569826fecf689be30ec2a533179efc746fc7777af552290c044.dll
Size 508KB
Sample261030-at174sf14w
SHA256 c66715281d953569826fecf689be30ec2a533179efc746fc7777af552290c044
MD5 cfec96cd9ae3a80a40f1b7f44119bd5e
SHA1 7b09ea0f72e6be722110d41b22ad62b85c5dcf4e
SHA512 126b62d5e0559b81f5f7a8fb72c88c2f2a695ca527b09b85ba173180e08ea41befbb6401c5cdf9440edf5eeca512fbeef4f004d8bb0a7a62c92050e3a22f78e4
SSDEEP 12288:9ZVTIKGIFIXRV/k0z9lL2vU3GxsvCNmg8YY:9rTIKTFIX/k0z9lL2vU3GxsvCNmg
TLSH
T1CCB4F99572E79616E65B073028FE9226FA353D326773CACB6214251C1FF27E06C78722
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

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.

discovery

System Language Discovery

T1614.001

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\VBSFile\ScriptEngine\ = "VBScript"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3EEF9758-35FC-11D1-8CE4-00C04FC2B185}\1.0\0\win32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\DefaultIcon	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3EEF9758-35FC-11D1-8CE4-00C04FC2B185}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3F4DACA0-160D-11D2-A8E9-00104B365C9F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VBScript Author\ = "VB Script Language Authoring"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VBScript.Encode\ = "VB Script Language Encoding"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VBS Author\ = "VB Script Language Authoring"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\Shell\Open2	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\Shell\Print\Command\ = "\"C:\\Windows\\system32\\notepad.exe\" /p %1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\Shell\Open2	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\ShellEx\PropertySheetHandlers\WSHProps	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\Shell\Open2\Command	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3EEF9758-35FC-11D1-8CE4-00C04FC2B185}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3F4DACB1-160D-11D2-A8E9-00104B365C9F}\ProxyStubClsid	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\Shell\Print\Command	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B186}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B187}\ProxyStubClsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3F4DACB3-160D-11D2-A8E9-00104B365C9F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\ = "VBScript Script File"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\Shell\Edit\Command\ = "\"C:\\Windows\\system32\\notepad.exe\" %1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\Shell\Open\Command	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3EEF9758-35FC-11D1-8CE4-00C04FC2B185}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B187}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3F4DACA1-160D-11D2-A8E9-00104B365C9F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\Shell\Edit\Command	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3EEF9758-35FC-11D1-8CE4-00C04FC2B185}\1.0\ = "Microsoft VBScript Globals"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B187}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B187}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3F4DACB1-160D-11D2-A8E9-00104B365C9F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3F4DACB2-160D-11D2-A8E9-00104B365C9F}\ProxyStubClsid	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\ShellEx	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\ScriptEngine	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3EEF9758-35FC-11D1-8CE4-00C04FC2B185}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c66715281d953569826fecf689be30ec2a533179efc746fc7777af552290c044.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3F4DACB0-160D-11D2-A8E9-00104B365C9F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VBS\ = "VB Script Language"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\Shell\Print	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B186}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B186}\TypeLib\ = "{3EEF9758-35FC-11D1-8CE4-00C04FC2B185}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3F4DACA0-160D-11D2-A8E9-00104B365C9F}\ProxyStubClsid	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\Shell\Open\Command	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3EEF9758-35FC-11D1-8CE4-00C04FC2B185}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3F4DACA2-160D-11D2-A8E9-00104B365C9F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\Shell	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\Shell\Open	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\Shell\Open2\Command\ = "\"C:\\Windows\\system32\\cscript.exe\" \"%1\" %*"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3EEF9758-35FC-11D1-8CE4-00C04FC2B185}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B187}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3F4DACA2-160D-11D2-A8E9-00104B365C9F}\ProxyStubClsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3F4DACB2-160D-11D2-A8E9-00104B365C9F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\Shell\ = "Open"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B186}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B187}\ = "ErrObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VBScript\ = "VB Script Language"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\ScriptHostEncode	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\Shell\Open2\Command	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\Shell	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VBSFile\Shell\Open\Command\ = "\"C:\\Windows\\system32\\wscript.exe\" \"%1\" %*"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B186}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B186}\ = "GlobalObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3EEF9758-35FC-11D1-8CE4-00C04FC2B186}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 3368	3580	regsvr32.exe	90

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c66715281d953569826fecf689be30ec2a533179efc746fc7777af552290c044.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3580
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\c66715281d953569826fecf689be30ec2a533179efc746fc7777af552290c044.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3368

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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