1370d22b331cfe37f0ec241a3555eb212019084087df695a2b3ffa7f6b77026e

Analysis

max time kernel
92s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2024, 19:32

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General

Target

Firefox/IA2Marshal.dll
Size

61KB
MD5

6d9ad4145ca6fede079d80f0eb03c299
SHA1

8a240d1db0def0f05e6e0c4c4d095cbc4f3fa9f1
SHA256

6d66fb0aa8c9a160d836249f9a70ade18c385f8e71cf37e2b17b62b40d5ae732
SHA512

5b0fdadccdc6268d9ad4a9146c118e9936abe11d63d003d7910c83ce1a3c6542177ccb63d9601dd05d9731c85cd67d9fc91461902247ef9aae3d3c07c521adc3
SSDEEP

384:j0J0YarRJRBoW2Eh/ITQ4nv9Q6RTQ4nTTWIvaAgNH/yHlNyIPmSYy0ZYLzLLwkT0:ja8Vj/543C4VvazVqH5Pmq0SjA6QMGT

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\{6B4F8BBF-F1F2-418A-B35E-A195BC4103B9}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{594116B1-C99F-4847-AD06-0A7A86ECE645}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C48C7FCF-4AB5-4056-AFA6-902D6E1D1149}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6B4F8BBF-F1F2-418A-B35E-A195BC4103B9}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7CDF86EE-C3DA-496A-BDA4-281B336E1FDC}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{35855B5B-C566-4FD0-A7B1-E65465600394}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6C9430E9-299D-4E6F-BD01-A82A1E88D3FF}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5BE18059-762E-4E73-9476-ABA294FED411}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{01C20F2B-3DD2-400F-949F-AD00BDAB1D41}\NumMethods	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000_Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000_Classes\WOW6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B70D9F59-3B5A-4DBA-AB9E-22012F607DF5}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A59AA09A-7011-4B65-939D-32B1FB5547E3}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A59AA09A-7011-4B65-939D-32B1FB5547E3}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CF64D89F-8287-4B44-8501-A827453A6077}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9690A9CC-5C80-4DF5-852E-2D5AE4189A54}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9690A9CC-5C80-4DF5-852E-2D5AE4189A54}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Firefox\\IA2Marshal.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1546D4B0-4C98-4BDA-89AE-9A64748BDDE4}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{594116B1-C99F-4847-AD06-0A7A86ECE645}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{35855B5B-C566-4FD0-A7B1-E65465600394}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6C9430E9-299D-4E6F-BD01-A82A1E88D3FF}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{01C20F2B-3DD2-400F-949F-AD00BDAB1D41}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6167F295-06F0-4CDD-A1FA-02E25153D869}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1546D4B0-4C98-4BDA-89AE-9A64748BDDE4}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FE5ABB3D-615E-4F7B-909F-5F0EDA9E8DDE}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7CDF86EE-C3DA-496A-BDA4-281B336E1FDC}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5BE18059-762E-4E73-9476-ABA294FED411}\NumMethods\ = "50"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{35AD8070-C20C-4FB4-B094-F4F7275DD469}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C48C7FCF-4AB5-4056-AFA6-902D6E1D1149}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{01C20F2B-3DD2-400F-949F-AD00BDAB1D41}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CF64D89F-8287-4B44-8501-A827453A6077}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6B4F8BBF-F1F2-418A-B35E-A195BC4103B9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C48C7FCF-4AB5-4056-AFA6-902D6E1D1149}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CF64D89F-8287-4B44-8501-A827453A6077}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A59AA09A-7011-4B65-939D-32B1FB5547E3}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{35AD8070-C20C-4FB4-B094-F4F7275DD469}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D49DED83-5B25-43F4-9B95-93B44595979E}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\ = "PSFactoryBuffer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5BE18059-762E-4E73-9476-ABA294FED411}\ = "IAccessible2_3"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5BE18059-762E-4E73-9476-ABA294FED411}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1546D4B0-4C98-4BDA-89AE-9A64748BDDE4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9690A9CC-5C80-4DF5-852E-2D5AE4189A54}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{24FD2FFB-3AAD-4A08-8335-A3AD89C0FB4B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{24FD2FFB-3AAD-4A08-8335-A3AD89C0FB4B}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5BE18059-762E-4E73-9476-ABA294FED411}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B70D9F59-3B5A-4DBA-AB9E-22012F607DF5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FE5ABB3D-615E-4F7B-909F-5F0EDA9E8DDE}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6167F295-06F0-4CDD-A1FA-02E25153D869}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6C9430E9-299D-4E6F-BD01-A82A1E88D3FF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D49DED83-5B25-43F4-9B95-93B44595979E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{35AD8070-C20C-4FB4-B094-F4F7275DD469}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D49DED83-5B25-43F4-9B95-93B44595979E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7CDF86EE-C3DA-496A-BDA4-281B336E1FDC}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6167F295-06F0-4CDD-A1FA-02E25153D869}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{24FD2FFB-3AAD-4A08-8335-A3AD89C0FB4B}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\InProcServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 1656	1512	regsvr32.exe	81
PID 1512 wrote to memory of 1656	1512	regsvr32.exe	81
PID 1512 wrote to memory of 1656	1512	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Firefox\IA2Marshal.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1512
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Firefox\IA2Marshal.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1656

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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