1e88af7a351ca27eaa87253d1537b8a4d2ead0e03f9d33f2f4edcf00c00e0cb6

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25/08/2024, 15:56

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General

Target

COMToolKit.dll
Size

32KB
MD5

9f34677b2fb33ae7296982317e80c117
SHA1

7506db6f6ba17262d9dfea5a3f597f4d09f6037e
SHA256

0440dc7a68bd969155983931f157a9e316cc495803af3f3e4f72cfc36b6d9410
SHA512

a1fc084e33e86b5f7691515b0154396b0a674938832878532033c142998208fba28e537cc042530e9a46f4383cab0b602af735605be7e587e8c75a70bf8ff5ca
SSDEEP

384:wprg5MoqC2NjsHirNxRHWJe/J7VjqqbMSiLNyz:CrkJqFNjszWXjjgn5K

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 10 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9941D789-0B91-42CC-9DF8-D83427AE283D}\ProgID\ = "COMToolKit.StringFilter"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\COMToolKit.StringFilter\ = "COMToolKit.StringFilter"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9941D789-0B91-42CC-9DF8-D83427AE283D}\ = "COMToolKit.StringFilter"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\COMToolKit.StringFilter\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\COMToolKit.StringFilter\CLSID\ = "{9941D789-0B91-42CC-9DF8-D83427AE283D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9941D789-0B91-42CC-9DF8-D83427AE283D}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9941D789-0B91-42CC-9DF8-D83427AE283D}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9941D789-0B91-42CC-9DF8-D83427AE283D}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\COMTOO~1.DLL"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\COMToolKit.StringFilter	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9941D789-0B91-42CC-9DF8-D83427AE283D}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2500	2324	regsvr32.exe	29
PID 2324 wrote to memory of 2500	2324	regsvr32.exe	29
PID 2324 wrote to memory of 2500	2324	regsvr32.exe	29
PID 2324 wrote to memory of 2500	2324	regsvr32.exe	29
PID 2324 wrote to memory of 2500	2324	regsvr32.exe	29
PID 2324 wrote to memory of 2500	2324	regsvr32.exe	29
PID 2324 wrote to memory of 2500	2324	regsvr32.exe	29

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\COMToolKit.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\COMToolKit.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2500

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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