3e9def9726b803580de8fdaa413437a8e07c530f437dad5f5844bb78998a3afe

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2024 05:38

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General

Target

Dll/MT32.dll
Size

60KB
MD5

2a9af14d776258cc2b8e62742c1f0847
SHA1

aef59bc71a451223e45ca80dee33e20fbc7166f2
SHA256

ec2fd4ac9943d8b85f35226c6a328c2456a7f85d09e2e07708208f412730a207
SHA512

d3a55115f256427ac4d569104e3e13f67626c126658cbe621a37f8e0c58e40653419d215354299ac46c2379e023285ec36a1340d314b36d3b9f47bb0338cfb2a
SSDEEP

1536:6qbOoAAyLlXNStzQaNP604dSSel3imbq1wB8mBJC:64ARl9SGUBJC

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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B887EC04-28F7-4202-BD6A-5A9650B545FC}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B887EC04-28F7-4202-BD6A-5A9650B545FC}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{791FFAFF-DDCE-4451-BCA6-49CD2BD64006}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DC7B33F8-1D51-4B38-A210-60CF3F85A35F}\ProxyStubClsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA79CA1-DD81-4934-B9C9-5BF9F53E4CC7}\ = "MT32.Thread"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{791FFAFF-DDCE-4451-BCA6-49CD2BD64006}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{159B6B71-51AE-444A-8F9B-FBE3C88F0EC9}\TypeLib\ = "{791FFAFF-DDCE-4451-BCA6-49CD2BD64006}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4E828086-D85A-4D19-9F14-9BB6A4210757}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{791FFAFF-DDCE-4451-BCA6-49CD2BD64006}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{791FFAFF-DDCE-4451-BCA6-49CD2BD64006}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{159B6B71-51AE-444A-8F9B-FBE3C88F0EC9}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B887EC04-28F7-4202-BD6A-5A9650B545FC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{791FFAFF-DDCE-4451-BCA6-49CD2BD64006}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72383731-A630-44BD-8E3D-114BA70B87C2}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4E828086-D85A-4D19-9F14-9BB6A4210757}\ = "MT32.Threads"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4E828086-D85A-4D19-9F14-9BB6A4210757}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DC7B33F8-1D51-4B38-A210-60CF3F85A35F}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72383731-A630-44BD-8E3D-114BA70B87C2}\TypeLib\ = "{791FFAFF-DDCE-4451-BCA6-49CD2BD64006}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72383731-A630-44BD-8E3D-114BA70B87C2}\ProxyStubClsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B887EC04-28F7-4202-BD6A-5A9650B545FC}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4E828086-D85A-4D19-9F14-9BB6A4210757}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B887EC04-28F7-4202-BD6A-5A9650B545FC}\ = "Threads"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{72383731-A630-44BD-8E3D-114BA70B87C2}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B887EC04-28F7-4202-BD6A-5A9650B545FC}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B887EC04-28F7-4202-BD6A-5A9650B545FC}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA79CA1-DD81-4934-B9C9-5BF9F53E4CC7}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{159B6B71-51AE-444A-8F9B-FBE3C88F0EC9}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{159B6B71-51AE-444A-8F9B-FBE3C88F0EC9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72383731-A630-44BD-8E3D-114BA70B87C2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{72383731-A630-44BD-8E3D-114BA70B87C2}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72383731-A630-44BD-8E3D-114BA70B87C2}\ProxyStubClsid\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MT32.Thread	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{159B6B71-51AE-444A-8F9B-FBE3C88F0EC9}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{791FFAFF-DDCE-4451-BCA6-49CD2BD64006}\1.0\ = "Win32 Multithread Library 1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DC7B33F8-1D51-4B38-A210-60CF3F85A35F}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{159B6B71-51AE-444A-8F9B-FBE3C88F0EC9}\ProxyStubClsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DC7B33F8-1D51-4B38-A210-60CF3F85A35F}\ = "Thread"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{159B6B71-51AE-444A-8F9B-FBE3C88F0EC9}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA79CA1-DD81-4934-B9C9-5BF9F53E4CC7}\ProgID\ = "MT32.Thread"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA79CA1-DD81-4934-B9C9-5BF9F53E4CC7}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA79CA1-DD81-4934-B9C9-5BF9F53E4CC7}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DC7B33F8-1D51-4B38-A210-60CF3F85A35F}\ = "__Thread"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4E828086-D85A-4D19-9F14-9BB6A4210757}\ProgID\ = "MT32.Threads"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DC7B33F8-1D51-4B38-A210-60CF3F85A35F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4E828086-D85A-4D19-9F14-9BB6A4210757}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{159B6B71-51AE-444A-8F9B-FBE3C88F0EC9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DC7B33F8-1D51-4B38-A210-60CF3F85A35F}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B887EC04-28F7-4202-BD6A-5A9650B545FC}\ProxyStubClsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DC7B33F8-1D51-4B38-A210-60CF3F85A35F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{159B6B71-51AE-444A-8F9B-FBE3C88F0EC9}\ = "_Thread"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{159B6B71-51AE-444A-8F9B-FBE3C88F0EC9}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{159B6B71-51AE-444A-8F9B-FBE3C88F0EC9}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4E828086-D85A-4D19-9F14-9BB6A4210757}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MT32.Threads	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{791FFAFF-DDCE-4451-BCA6-49CD2BD64006}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{72383731-A630-44BD-8E3D-114BA70B87C2}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA79CA1-DD81-4934-B9C9-5BF9F53E4CC7}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DC7B33F8-1D51-4B38-A210-60CF3F85A35F}\TypeLib\ = "{791FFAFF-DDCE-4451-BCA6-49CD2BD64006}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DC7B33F8-1D51-4B38-A210-60CF3F85A35F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{72383731-A630-44BD-8E3D-114BA70B87C2}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4E828086-D85A-4D19-9F14-9BB6A4210757}\TypeLib\ = "{791FFAFF-DDCE-4451-BCA6-49CD2BD64006}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5DA79CA1-DD81-4934-B9C9-5BF9F53E4CC7}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MT32.Thread\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MT32.Thread\Clsid\ = "{5DA79CA1-DD81-4934-B9C9-5BF9F53E4CC7}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3748 wrote to memory of 4004	3748	regsvr32.exe	85
PID 3748 wrote to memory of 4004	3748	regsvr32.exe	85
PID 3748 wrote to memory of 4004	3748	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Dll\MT32.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3748
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Dll\MT32.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4004

Network

MITRE ATT&CK Enterprise v15

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 v15

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