8b797c58add2e76b1e3654a94300521d2698b2e9e9a3c07f8b117c04388eef1f

Analysis

max time kernel
171s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 21:29

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
8b797c58add2e76b1e3654a94300521d2698b2e9e9a3c07f8b117c04388eef1f.dll
Size 64KB
Sample221201-1b446acg44
SHA256 8b797c58add2e76b1e3654a94300521d2698b2e9e9a3c07f8b117c04388eef1f
MD5 afd268f3fa6a5fe567bb299c2bca4957
SHA1 290b6e5593f82239a3f64275d46a944d21fef45f
SHA512 5419bd6aa709df96c19418c931b85ac936657ac92da83035904353d600e6112b4ef0ec2e929ec18aba5b01e79483035d6bbbc17bd99750ea8a3f4e8ccf1690fd
SSDEEP 768:LzEYAoX5W5e75LZqqWCpbxIgYqMGZU826BuQDa3IQh4BQU2/kaM:/EY9X5We7x1pbqEMT8VuQU47Ykr
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 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\{451B9F14-A525-45BB-A6EE-4B5A61323B35}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{451B9F14-A525-45BB-A6EE-4B5A61323B35}\ = "WebSafeCenter Class"	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{451B9F14-A525-45BB-A6EE-4B5A61323B35}\VersionIndependentProgID\ = "ThunderSif.WebSafeCenter"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{451B9F14-A525-45BB-A6EE-4B5A61323B35}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8b797c58add2e76b1e3654a94300521d2698b2e9e9a3c07f8b117c04388eef1f.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C3433B1-83EB-4941-998B-06C918733770}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C3433B1-83EB-4941-998B-06C918733770}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C3433B1-83EB-4941-998B-06C918733770}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderSif.WebSafeCenter.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderSif.WebSafeCenter\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{451B9F14-A525-45BB-A6EE-4B5A61323B35}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{451B9F14-A525-45BB-A6EE-4B5A61323B35}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\TypeLib\ = "{6C3433B1-83EB-4941-998B-06C918733770}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderSif.WebSafeCenter	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderSif.WebSafeCenter\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderSif.WebSafeCenter\CurVer\ = "ThunderSif.WebSafeCenter.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{451B9F14-A525-45BB-A6EE-4B5A61323B35}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C3433B1-83EB-4941-998B-06C918733770}\1.0\ = "ThunderSif 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\TypeLib\ = "{6C3433B1-83EB-4941-998B-06C918733770}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C3433B1-83EB-4941-998B-06C918733770}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\ = "IWebSafeCenter"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderSif.WebSafeCenter\ = "WebSafeCenter Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{451B9F14-A525-45BB-A6EE-4B5A61323B35}\ProgID\ = "ThunderSif.WebSafeCenter.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{451B9F14-A525-45BB-A6EE-4B5A61323B35}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{451B9F14-A525-45BB-A6EE-4B5A61323B35}\TypeLib\ = "{6C3433B1-83EB-4941-998B-06C918733770}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C3433B1-83EB-4941-998B-06C918733770}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C3433B1-83EB-4941-998B-06C918733770}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C3433B1-83EB-4941-998B-06C918733770}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8b797c58add2e76b1e3654a94300521d2698b2e9e9a3c07f8b117c04388eef1f.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderSif.WebSafeCenter.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderSif.WebSafeCenter\CLSID\ = "{451B9F14-A525-45BB-A6EE-4B5A61323B35}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{451B9F14-A525-45BB-A6EE-4B5A61323B35}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{451B9F14-A525-45BB-A6EE-4B5A61323B35}\ = "WebSafeCenter Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{451B9F14-A525-45BB-A6EE-4B5A61323B35}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C3433B1-83EB-4941-998B-06C918733770}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\ = "IWebSafeCenter"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderSif.WebSafeCenter.1\ = "WebSafeCenter Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderSif.WebSafeCenter.1\CLSID\ = "{451B9F14-A525-45BB-A6EE-4B5A61323B35}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{451B9F14-A525-45BB-A6EE-4B5A61323B35}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C3433B1-83EB-4941-998B-06C918733770}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\ProxyStubClsid32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4668 wrote to memory of 620	4668	regsvr32.exe	79
PID 4668 wrote to memory of 620	4668	regsvr32.exe	79
PID 4668 wrote to memory of 620	4668	regsvr32.exe	79

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8b797c58add2e76b1e3654a94300521d2698b2e9e9a3c07f8b117c04388eef1f.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4668
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8b797c58add2e76b1e3654a94300521d2698b2e9e9a3c07f8b117c04388eef1f.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:620

Network

MITRE ATT&CK Enterprise v6

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 v6

Replay Monitor

Loading Replay Monitor...

Downloads