3453c4d6022006671287408059112a1fcc44fe0e24c33c6dbf33eaa86ea67547

Analysis

max time kernel
105s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 05:11

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General

Target

3453c4d6022006671287408059112a1fcc44fe0e24c33c6dbf33eaa86ea67547.dll
Size

64KB
MD5

5d6a7df87a008f2fed16c2e49ea45871
SHA1

3d690eea64d7a96c9f866da135746fb609ee5304
SHA256

3453c4d6022006671287408059112a1fcc44fe0e24c33c6dbf33eaa86ea67547
SHA512

283e9fe75b17443c0a70faa559d14658c1b804a859c0a7bbe66800aedc87ffcfef383299df2880cdb07251084a187bf4721fd420b5dd116099a66c6dcf683537
SSDEEP

768:VU5YASX5xgmJLZnKk1zBvknOLWDc6i0yRrHdgk5uj4BQUF/JxkQQ:y5Y7X5+mhVzJLWDcMy5erj47RXk3

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\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\ = "IWebSafeCenter"	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}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C3433B1-83EB-4941-998B-06C918733770}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{451B9F14-A525-45BB-A6EE-4B5A61323B35}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3453c4d6022006671287408059112a1fcc44fe0e24c33c6dbf33eaa86ea67547.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C3433B1-83EB-4941-998B-06C918733770}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderSif.WebSafeCenter.1\CLSID	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}\InprocServer32	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
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\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}	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\ThunderSif.WebSafeCenter.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderSif.WebSafeCenter.1\ = "WebSafeCenter Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderSif.WebSafeCenter	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderSif.WebSafeCenter\ = "WebSafeCenter Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ThunderSif.WebSafeCenter\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{451B9F14-A525-45BB-A6EE-4B5A61323B35}\VersionIndependentProgID\ = "ThunderSif.WebSafeCenter"	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\WOW6432Node\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\ = "IWebSafeCenter"	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}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C3433B1-83EB-4941-998B-06C918733770}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\TypeLib\ = "{6C3433B1-83EB-4941-998B-06C918733770}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{451B9F14-A525-45BB-A6EE-4B5A61323B35}\ = "WebSafeCenter Class"	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\TypeLib\{6C3433B1-83EB-4941-998B-06C918733770}\1.0\ = "ThunderSif 1.0 Type Library"	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\\3453c4d6022006671287408059112a1fcc44fe0e24c33c6dbf33eaa86ea67547.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21BC973C-66FC-4B79-B00E-51D69E7DBF8E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	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
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}\ProgID\ = "ThunderSif.WebSafeCenter.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{451B9F14-A525-45BB-A6EE-4B5A61323B35}\InprocServer32\ThreadingModel = "Apartment"	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}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6C3433B1-83EB-4941-998B-06C918733770}\1.0\FLAGS	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}\ProxyStubClsid32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 1580	2224	regsvr32.exe	82
PID 2224 wrote to memory of 1580	2224	regsvr32.exe	82
PID 2224 wrote to memory of 1580	2224	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3453c4d6022006671287408059112a1fcc44fe0e24c33c6dbf33eaa86ea67547.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3453c4d6022006671287408059112a1fcc44fe0e24c33c6dbf33eaa86ea67547.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1580

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

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