06e824e1a838ba18e32b330e71cf2cfd3b772011674ade89d0df2ef176a4859b

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04/02/2024, 14:42

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
ie/RichMediaViewV1release94.dll
Size 85KB
Sample240204-r21d8aecdr
SHA256 cd3ad4365e4bcc9591b8268af6ccca1764ee57951ba2a8378a081c987ffb34a5
MD5 123ec917e881479f47630f64640dfc43
SHA1 f9073f05c5cd46da4e36cc2f5d99e63aaaa78472
SHA512 9d6d4c53fd63f24ed04e4407cfea3aff62fcddd70fc5dafa57a94c6b77779d3b22750e2770ef3089a0d2a503369b752394c4d74231f244535409a04df12c6545
SSDEEP 1536:Bc/9Cs8ekkcEDtqJ6Zk8DktexnLlQE14EpY:a9eekkcEJqJ6Z4exLaE14X
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

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\{6a8291b6-254b-4d14-95d0-da0f6452df18}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{6a8291b6-254b-4d14-95d0-da0f6452df18}\ = "RichMediaViewV1release94"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{6a8291b6-254b-4d14-95d0-da0f6452df18}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 34 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\TypeLib\ = "{605B74CF-E2B6-46B8-ADBC-A0F689E73683}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}\1.1\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\ = "IRichMediaViewV1release94BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}\1.1\ = "RichMediaViewV1release94Lib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}\1.1\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release94.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}\1.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\ = "RichMediaViewV1release94"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\ = "IRichMediaViewV1release94BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release94.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\Version\ = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\TypeLib\ = "{605b74cf-e2b6-46b8-adbc-a0f689e73683}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}\1.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6a8291b6-254b-4d14-95d0-da0f6452df18}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{605B74CF-E2B6-46B8-ADBC-A0F689E73683}\1.1\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F8E98FE6-ABCD-4084-91FE-4EFEABDA765A}\TypeLib\ = "{605B74CF-E2B6-46B8-ADBC-A0F689E73683}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 3048	3044	regsvr32.exe	28
PID 3044 wrote to memory of 3048	3044	regsvr32.exe	28
PID 3044 wrote to memory of 3048	3044	regsvr32.exe	28
PID 3044 wrote to memory of 3048	3044	regsvr32.exe	28
PID 3044 wrote to memory of 3048	3044	regsvr32.exe	28
PID 3044 wrote to memory of 3048	3044	regsvr32.exe	28
PID 3044 wrote to memory of 3048	3044	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release94.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release94.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads