3e689eec40a4a35504da08c9f402df98d184c04aaec54c89e2d656e65318fcc6

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13/03/2024, 23:12

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General

Target

c716281da684ddc95b9fd28f1557c327.dll
Size

184KB
MD5

c716281da684ddc95b9fd28f1557c327
SHA1

b0986a8f8657d5a09c8f3f1463eaf66abc13d431
SHA256

3e689eec40a4a35504da08c9f402df98d184c04aaec54c89e2d656e65318fcc6
SHA512

3047543cf1cdaf8b7d133436dd30f6d38388bdf65cf8e7996727b46fa703fd0e064f7248c32f41d4a8c0e58c63dd25475cb49595ebd0072de4e7b0a30d730077
SSDEEP

3072:RY61+ZgEXpNNJHVMiF6adJ0w31W1MrjaHxG/6u8t1743IP:RY61+ZgEyiF62JlQ16mG/6uY7B

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Toolbar	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Toolbar\{3E1A7455-8F94-40B1-A2A8-4FE1A5264F8B}	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\wxdbpfvo.ToolBar.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45D353A9-FA31-4A2F-90C4-11A338A4D9D4}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45D353A9-FA31-4A2F-90C4-11A338A4D9D4}\TypeLib\ = "{C8DFBEB7-935F-4DC6-A9F9-DBDD0D32E54C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45D353A9-FA31-4A2F-90C4-11A338A4D9D4}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E1A7455-8F94-40B1-A2A8-4FE1A5264F8B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E1A7455-8F94-40B1-A2A8-4FE1A5264F8B}\ = "wxdbpfvo"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E1A7455-8F94-40B1-A2A8-4FE1A5264F8B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c716281da684ddc95b9fd28f1557c327.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E1A7455-8F94-40B1-A2A8-4FE1A5264F8B}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C8DFBEB7-935F-4DC6-A9F9-DBDD0D32E54C}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45D353A9-FA31-4A2F-90C4-11A338A4D9D4}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C8DFBEB7-935F-4DC6-A9F9-DBDD0D32E54C}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C8DFBEB7-935F-4DC6-A9F9-DBDD0D32E54C}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C8DFBEB7-935F-4DC6-A9F9-DBDD0D32E54C}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c716281da684ddc95b9fd28f1557c327.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C8DFBEB7-935F-4DC6-A9F9-DBDD0D32E54C}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45D353A9-FA31-4A2F-90C4-11A338A4D9D4}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45D353A9-FA31-4A2F-90C4-11A338A4D9D4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\wxdbpfvo.ToolBar.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\wxdbpfvo.ToolBar.1\ = "wxdbpfvo"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E1A7455-8F94-40B1-A2A8-4FE1A5264F8B}\ProgID\ = "wxdbpfvo.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E1A7455-8F94-40B1-A2A8-4FE1A5264F8B}\TypeLib\ = "{C8DFBEB7-935F-4DC6-A9F9-DBDD0D32E54C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C8DFBEB7-935F-4DC6-A9F9-DBDD0D32E54C}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C8DFBEB7-935F-4DC6-A9F9-DBDD0D32E54C}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\wxdbpfvo.ToolBar.1\CLSID\ = "{3E1A7455-8F94-40B1-A2A8-4FE1A5264F8B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\wxdbpfvo.bqew\ = "wxdbpfvo"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\wxdbpfvo.bqew\CLSID\ = "{3E1A7455-8F94-40B1-A2A8-4FE1A5264F8B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E1A7455-8F94-40B1-A2A8-4FE1A5264F8B}\VersionIndependentProgID\ = "wxdbpfvo"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C8DFBEB7-935F-4DC6-A9F9-DBDD0D32E54C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C8DFBEB7-935F-4DC6-A9F9-DBDD0D32E54C}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45D353A9-FA31-4A2F-90C4-11A338A4D9D4}\ = "Ibqew"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45D353A9-FA31-4A2F-90C4-11A338A4D9D4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45D353A9-FA31-4A2F-90C4-11A338A4D9D4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45D353A9-FA31-4A2F-90C4-11A338A4D9D4}\TypeLib\ = "{C8DFBEB7-935F-4DC6-A9F9-DBDD0D32E54C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45D353A9-FA31-4A2F-90C4-11A338A4D9D4}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\wxdbpfvo.bqew\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E1A7455-8F94-40B1-A2A8-4FE1A5264F8B}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E1A7455-8F94-40B1-A2A8-4FE1A5264F8B}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{45D353A9-FA31-4A2F-90C4-11A338A4D9D4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\wxdbpfvo.bqew\CurVer\ = "wxdbpfvo.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E1A7455-8F94-40B1-A2A8-4FE1A5264F8B}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E1A7455-8F94-40B1-A2A8-4FE1A5264F8B}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C8DFBEB7-935F-4DC6-A9F9-DBDD0D32E54C}\1.0\ = "wxdbpfvo"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45D353A9-FA31-4A2F-90C4-11A338A4D9D4}\ = "Ibqew"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{45D353A9-FA31-4A2F-90C4-11A338A4D9D4}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\wxdbpfvo.bqew	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\wxdbpfvo.bqew\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3E1A7455-8F94-40B1-A2A8-4FE1A5264F8B}\ProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 2940	2812	regsvr32.exe	28
PID 2812 wrote to memory of 2940	2812	regsvr32.exe	28
PID 2812 wrote to memory of 2940	2812	regsvr32.exe	28
PID 2812 wrote to memory of 2940	2812	regsvr32.exe	28
PID 2812 wrote to memory of 2940	2812	regsvr32.exe	28
PID 2812 wrote to memory of 2940	2812	regsvr32.exe	28
PID 2812 wrote to memory of 2940	2812	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c716281da684ddc95b9fd28f1557c327.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2812
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\c716281da684ddc95b9fd28f1557c327.dll
  2⤵
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:2940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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