4134ef8786ea95000b13818220af5c6f5bf43483ba3595bfc5e48259fa774207

Analysis

max time kernel
117s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
25/08/2024, 12:33

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General

Target

$APPDATA/IESafer/kswbc.dll
Size

497KB
MD5

76d1736f2bd7405598ddaa7146defdd4
SHA1

838be726d095c704d638fc84cf1d11c0a3a0426c
SHA256

159797ef8760f327cd64db646f0fa03e0ae4d504b6d4fcfe12da30a70a3c8ddf
SHA512

63d21847cc5110ee42a77fa4488cb32ac26a762b3fe7547092887bab429db9f48a54fe42a27690ce3c0fa5086b8b0a911cd0800ed3c355e3032a7c58ea932810
SSDEEP

6144:XStG9a3Ad5xTfoWKKlWb9Z7Fwtg/0lUE8WZwDuEKjqRDAsPpNcgmjvujnbj4:itG9a3AvKKlWbFwtU0OOwD7nDAap204

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 29 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\KSWBC.BrowserHook\CLSID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}\ = "BrowserHook Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}\ProgID\ = "KSWBC.BrowserHook.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}\VersionIndependentProgID\ = "KSWBC.BrowserHook"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}\Programmable	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}\ProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\KSWBC.BrowserHook.1\CLSID\ = "{87CCBB9A-C425-44D4-BBAA-9600A0C90483}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\KSWBC.BrowserHook\CLSID\ = "{87CCBB9A-C425-44D4-BBAA-9600A0C90483}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\KSWBC.BrowserHook.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\KSWBC.BrowserHook	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\KSWBC.BrowserHook.1\ = "BrowserHook Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\KSWBC.BrowserHook\ = "BrowserHook Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\KSWBC.BrowserHook\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$APPDATA\\IESafer\\kswbc.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\KSWBC.BrowserHook.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}\AppID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\KSWBC.BrowserHook\CurVer\ = "KSWBC.BrowserHook.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}\TypeLib\ = "{DCC352C2-CD3F-4ACE-B855-E8BDEBC7830B}"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{87CCBB9A-C425-44D4-BBAA-9600A0C90483}\VersionIndependentProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 2452	2912	regsvr32.exe	30
PID 2912 wrote to memory of 2452	2912	regsvr32.exe	30
PID 2912 wrote to memory of 2452	2912	regsvr32.exe	30
PID 2912 wrote to memory of 2452	2912	regsvr32.exe	30
PID 2912 wrote to memory of 2452	2912	regsvr32.exe	30
PID 2912 wrote to memory of 2452	2912	regsvr32.exe	30
PID 2912 wrote to memory of 2452	2912	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$APPDATA\IESafer\kswbc.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$APPDATA\IESafer\kswbc.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2452

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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