9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591

Analysis

max time kernel
69s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
21-10-2022 03:52

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General

Target

9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
Size

944KB
MD5

510b9c66e11d1f205203b6bc259856a0
SHA1

2866aa92afe62982e1200a17c25038d847dcf60c
SHA256

9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591
SHA512

e71e8fcf4881b7275ae7a618ad0a4ab00b20bb4413009e4b5b8ef0db23326ca38066bbe4aef194b1b7aa6ae09a1c5cd3cea296f1aa975a2cec0e1c7e01dead68
SSDEEP

12288:7ocG4GfJMRo0dHvZjZLGFSGzBg8EtbQd8QMR20tHWZjZLfgQGzNg8XF6Go:7VG4Gxuo0fZLGFNf7o20kZLfgDkN

Score

7^/10

adware discovery spyware stealer

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
2808	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
1452	regsvr32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{94ec73bc-9659-4340-91fc-cb5ed985b30c}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{94ec73bc-9659-4340-91fc-cb5ed985b30c}\ = "MediaViewerV1alpha2158"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{94ec73bc-9659-4340-91fc-cb5ed985b30c}\NoExplorer = "1"	regsvr32.exe

Drops file in Program Files directory 22 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ff\chrome\content\overlay.xul	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File created	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\uninstall.exe	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File opened for modification	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ch\MediaViewerV1alpha2158.crx	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File opened for modification	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ff\install.rdf	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File opened for modification	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ff\chrome\content	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File opened for modification	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ff\chrome\content\ffMediaViewerV1alpha2158.js	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File opened for modification	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ff\chrome\content\overlay.xul	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File opened for modification	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ff\chrome\content\icons	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File created	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ff\chrome\content\icons\default\MediaViewerV1alpha2158_32.png	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File created	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ie\MediaViewerV1alpha2158.dll	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File created	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ff\chrome.manifest	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File created	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ff\chrome\content\ffMediaViewerV1alpha2158.js	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File created	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ff\chrome\content\icons\Thumbs.db	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File opened for modification	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ff\chrome\content\icons\Thumbs.db	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File opened for modification	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ff\chrome\content\icons\default	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File opened for modification	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ff\chrome.manifest	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File opened for modification	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ff\chrome	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File opened for modification	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ff\chrome\content\ffMediaViewerV1alpha2158ffaction.js	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File opened for modification	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ff\chrome\content\icons\default\MediaViewerV1alpha2158_32.png	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File created	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ch\MediaViewerV1alpha2158.crx	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File created	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ff\install.rdf	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
File created	C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ff\chrome\content\ffMediaViewerV1alpha2158ffaction.js	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Approved Extensions\{94ec73bc-9659-4340-91fc-cb5ed985b30c} = 51667a6c4c1d3b1bac64fc8468c32d0a8ff79402d9c3f212	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Approved Extensions	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe

Modifies registry class 36 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94ec73bc-9659-4340-91fc-cb5ed985b30c}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94ec73bc-9659-4340-91fc-cb5ed985b30c}\Version\ = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2237A0ED-E21E-4DF8-A27E-CD4E1DCDC104}\1.1\ = "MediaViewerV1alpha2158Lib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAE4E257-23E0-4479-868D-7D36237BD47E}\ = "IMediaViewerV1alpha2158BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAE4E257-23E0-4479-868D-7D36237BD47E}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94ec73bc-9659-4340-91fc-cb5ed985b30c}\InprocServer32\ = "C:\\Program Files (x86)\\MediaViewerV1\\MediaViewerV1alpha2158\\ie\\MediaViewerV1alpha2158.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2237A0ED-E21E-4DF8-A27E-CD4E1DCDC104}\1.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAE4E257-23E0-4479-868D-7D36237BD47E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAE4E257-23E0-4479-868D-7D36237BD47E}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94ec73bc-9659-4340-91fc-cb5ed985b30c}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94ec73bc-9659-4340-91fc-cb5ed985b30c}\ = "MediaViewerV1alpha2158"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94ec73bc-9659-4340-91fc-cb5ed985b30c}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2237A0ED-E21E-4DF8-A27E-CD4E1DCDC104}\1.1\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAE4E257-23E0-4479-868D-7D36237BD47E}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAE4E257-23E0-4479-868D-7D36237BD47E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2237A0ED-E21E-4DF8-A27E-CD4E1DCDC104}\1.1\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2237A0ED-E21E-4DF8-A27E-CD4E1DCDC104}\1.1\HELPDIR\ = "C:\\Program Files (x86)\\MediaViewerV1\\MediaViewerV1alpha2158\\ie"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAE4E257-23E0-4479-868D-7D36237BD47E}\TypeLib\ = "{2237A0ED-E21E-4DF8-A27E-CD4E1DCDC104}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94ec73bc-9659-4340-91fc-cb5ed985b30c}\ = "Media Viewer"	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94ec73bc-9659-4340-91fc-cb5ed985b30c}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94ec73bc-9659-4340-91fc-cb5ed985b30c}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94ec73bc-9659-4340-91fc-cb5ed985b30c}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2237A0ED-E21E-4DF8-A27E-CD4E1DCDC104}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2237A0ED-E21E-4DF8-A27E-CD4E1DCDC104}\1.1\0\win32\ = "C:\\Program Files (x86)\\MediaViewerV1\\MediaViewerV1alpha2158\\ie\\MediaViewerV1alpha2158.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2237A0ED-E21E-4DF8-A27E-CD4E1DCDC104}\1.1\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAE4E257-23E0-4479-868D-7D36237BD47E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2237A0ED-E21E-4DF8-A27E-CD4E1DCDC104}\1.1\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAE4E257-23E0-4479-868D-7D36237BD47E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAE4E257-23E0-4479-868D-7D36237BD47E}\ = "IMediaViewerV1alpha2158BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAE4E257-23E0-4479-868D-7D36237BD47E}\TypeLib\ = "{2237A0ED-E21E-4DF8-A27E-CD4E1DCDC104}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAE4E257-23E0-4479-868D-7D36237BD47E}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94ec73bc-9659-4340-91fc-cb5ed985b30c}	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94ec73bc-9659-4340-91fc-cb5ed985b30c}\TypeLib\ = "{2237a0ed-e21e-4df8-a27e-cd4e1dcdc104}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2237A0ED-E21E-4DF8-A27E-CD4E1DCDC104}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAE4E257-23E0-4479-868D-7D36237BD47E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAE4E257-23E0-4479-868D-7D36237BD47E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2808	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
2808	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
2808	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
2808	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
2808	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
2808	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 1452	2808	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe	84
PID 2808 wrote to memory of 1452	2808	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe	84
PID 2808 wrote to memory of 1452	2808	9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe	84

C:\Users\Admin\AppData\Local\Temp\9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe
"C:\Users\Admin\AppData\Local\Temp\9d3bd387bf66d2c1647faf5b77f8efab4099f243ea0544ca4e0447e92676f591.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 "C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ie\MediaViewerV1alpha2158.dll" /s
  2⤵
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1452

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ie\MediaViewerV1alpha2158.dll

Filesize
85KB

MD5
df38d85074655588142eb7ccaaa26d76

SHA1
d7e91b230334b33ac4e4d006752166ee4e407c41

SHA256
ede71f40cd15457ca8a179ba521ae8dee87d9b8b4f32e553a67d7a282c0f6d9a

SHA512
796f759a887c0551249f9188a477376884d6e833f2b4f1c31be36433e5c1926666223fada7a09ab0243ab74c8d8200222d26113cdf9061bc2e15ec49ac4e4cc9

Download Submit
C:\Program Files (x86)\MediaViewerV1\MediaViewerV1alpha2158\ie\MediaViewerV1alpha2158.dll

Filesize
85KB

MD5
df38d85074655588142eb7ccaaa26d76

SHA1
d7e91b230334b33ac4e4d006752166ee4e407c41

SHA256
ede71f40cd15457ca8a179ba521ae8dee87d9b8b4f32e553a67d7a282c0f6d9a

SHA512
796f759a887c0551249f9188a477376884d6e833f2b4f1c31be36433e5c1926666223fada7a09ab0243ab74c8d8200222d26113cdf9061bc2e15ec49ac4e4cc9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsqC9ED.tmp\aminsis.dll

Filesize
834KB

MD5
14ad04243334645f399639b028f21d17

SHA1
7368866dc95621a1407d2105d040da2cc9852ba9

SHA256
02d13f28df1314640474ee77cd202a2c0da8e1d609c614f8fdff4451f8ee63fa

SHA512
3859b6f6e7e46ba70fa0be24fd2ceadf3db746818f11a09109c7bb678ee4fc08824a0cf15c77df09c3b2bdc2a80067a98130660152f5ee61e4bd501ef5ed1728

Download Submit
memory/1452-133-0x0000000000000000-mapping.dmp

Download