1370d22b331cfe37f0ec241a3555eb212019084087df695a2b3ffa7f6b77026e

Analysis

max time kernel
119s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-10-2024 19:32

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General

Target

Firefox/AccessibleHandler.dll
Size

121KB
MD5

98815ba20aaab292802f85f0b120089b
SHA1

a4960228d83780c8535be5be12ed08b5215b9a3f
SHA256

e2c87737cc84259d72301d42f4f62bb842ceff4c2ffdb342a81a694aa7a1e7e3
SHA512

68da2f6bfa557167af3ec38de8a711e6b1d22d1dc1892af69a403fd27c7ffd540e6c6c3477c42fa52cdd50835e0dde13084a6760298c1f39a3b8e67128f648bd
SSDEEP

3072:zFAh4ZFiJ4J45KIHenM/qIL5y1DmWGeSKWStqFgQr:G4ZFi/D+2L56S6gg

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 31 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CE573FAF-7815-4FC2-A031-B092268ACE9E}\InprocHandler32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2B715CCE-1790-4FE1-AEF5-48BB5ACDF3A1}\AsynchronousInterface	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2B715CCE-1790-4FE1-AEF5-48BB5ACDF3A1}\AsynchronousInterface\ = "{8E089670-4F57-41A7-89C0-37F17482FA6F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8E089670-4F57-41A7-89C0-37F17482FA6F}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Firefox\\AccessibleHandler.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{18E2488D-310F-400F-8339-0E50B513E801}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{18E2488D-310F-400F-8339-0E50B513E801}\NumMethods\ = "8"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2B715CCE-1790-4FE1-AEF5-48BB5ACDF3A1}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CE573FAF-7815-4FC2-A031-B092268ACE9E}\InprocHandler32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Firefox\\AccessibleHandler.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8E089670-4F57-41A7-89C0-37F17482FA6F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8E089670-4F57-41A7-89C0-37F17482FA6F}\InProcServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{18E2488D-310F-400F-8339-0E50B513E801}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E089670-4F57-41A7-89C0-37F17482FA6F}\SynchronousInterface\ = "{2B715CCE-1790-4FE1-AEF5-48BB5ACDF3A1}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CE573FAF-7815-4FC2-A031-B092268ACE9E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8E089670-4F57-41A7-89C0-37F17482FA6F}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2B715CCE-1790-4FE1-AEF5-48BB5ACDF3A1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2B715CCE-1790-4FE1-AEF5-48BB5ACDF3A1}\ProxyStubClsid32\ = "{8E089670-4F57-41A7-89C0-37F17482FA6F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2B715CCE-1790-4FE1-AEF5-48BB5ACDF3A1}\ = "IHandlerControl"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{18E2488D-310F-400F-8339-0E50B513E801}\ = "IGeckoBackChannel"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2B715CCE-1790-4FE1-AEF5-48BB5ACDF3A1}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E089670-4F57-41A7-89C0-37F17482FA6F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{18E2488D-310F-400F-8339-0E50B513E801}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{18E2488D-310F-400F-8339-0E50B513E801}\ProxyStubClsid32\ = "{8E089670-4F57-41A7-89C0-37F17482FA6F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2B715CCE-1790-4FE1-AEF5-48BB5ACDF3A1}\NumMethods\ = "5"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CE573FAF-7815-4FC2-A031-B092268ACE9E}\InprocHandler32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8E089670-4F57-41A7-89C0-37F17482FA6F}\ = "PSFactoryBuffer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E089670-4F57-41A7-89C0-37F17482FA6F}\ = "AsyncIHandlerControl"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E089670-4F57-41A7-89C0-37F17482FA6F}\NumMethods\ = "7"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E089670-4F57-41A7-89C0-37F17482FA6F}\SynchronousInterface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E089670-4F57-41A7-89C0-37F17482FA6F}\NumMethods	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2768	2744	regsvr32.exe	31
PID 2744 wrote to memory of 2768	2744	regsvr32.exe	31
PID 2744 wrote to memory of 2768	2744	regsvr32.exe	31
PID 2744 wrote to memory of 2768	2744	regsvr32.exe	31
PID 2744 wrote to memory of 2768	2744	regsvr32.exe	31
PID 2744 wrote to memory of 2768	2744	regsvr32.exe	31
PID 2744 wrote to memory of 2768	2744	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Firefox\AccessibleHandler.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Firefox\AccessibleHandler.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2768

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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