282731b2d3212f21d8777946823514a65eeb73e2b5edba9c15f1f101183e98e5

Analysis

max time kernel
14s
max time network
22s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
05/08/2024, 09:04

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General

Target

x86/CommonProgramFiles/SpeechEngines/Microsoft/TTS20/MSTTSEngine.dll
Size

147KB
MD5

8add058f5bddd785b13a4af1dd3cdb96
SHA1

c3ff7fa97ed14bcf44e552760d70981deada2555
SHA256

12641a4a285fb99f6a0165063581459c55badc26234bb83de440146b81fbf977
SHA512

4c1b49ab230ca0afbfcae1b90ee265ab7cbb3420f7f1e293400103258b45515ec695e0cff0f34b7564cfc897cb07390484518707308586c2f7784ff517169168
SSDEEP

3072:73LvwK4puqJqZq+HaZ57RJXfLwfV9t6YoXjKmkRLlxwIL:rrwK4fqZqwgjZE16YAjKXLl2I

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 8 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\MSTTSEngine.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\MSTTSEngine.DLL\AppID = "{49AB0B7E-8EA7-4842-AD24-B18BEDACA50F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6A379714-E19D-4D0F-AAC6-20D5F143C420}\2.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6A379714-E19D-4D0F-AAC6-20D5F143C420}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6A379714-E19D-4D0F-AAC6-20D5F143C420}\2.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{49AB0B7E-8EA7-4842-AD24-B18BEDACA50F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{49AB0B7E-8EA7-4842-AD24-B18BEDACA50F}\ = "MSTTSEngine"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2556	1724	regsvr32.exe	29
PID 1724 wrote to memory of 2556	1724	regsvr32.exe	29
PID 1724 wrote to memory of 2556	1724	regsvr32.exe	29
PID 1724 wrote to memory of 2556	1724	regsvr32.exe	29
PID 1724 wrote to memory of 2556	1724	regsvr32.exe	29
PID 1724 wrote to memory of 2556	1724	regsvr32.exe	29
PID 1724 wrote to memory of 2556	1724	regsvr32.exe	29

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\x86\CommonProgramFiles\SpeechEngines\Microsoft\TTS20\MSTTSEngine.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\x86\CommonProgramFiles\SpeechEngines\Microsoft\TTS20\MSTTSEngine.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2556

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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