c05827b5caf125f698d08d438c8108e8fff1362d16ea7d492d72ab94d7634c7d

Analysis

max time kernel
14s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02/12/2022, 20:55

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General

Target

c05827b5caf125f698d08d438c8108e8fff1362d16ea7d492d72ab94d7634c7d.dll
Size

47KB
MD5

a37deaa97a3eb75dfc52292d606d7a8d
SHA1

4b1ee003d9342331eda36b9dcba879624e470256
SHA256

c05827b5caf125f698d08d438c8108e8fff1362d16ea7d492d72ab94d7634c7d
SHA512

76fa93963bcfeacdd1534081c266e2b9c2771b18dd929c0d97e078e4e1a18f820f91fe5c2a26742b56824fe93734713526868df03acdba3cb0f89e105e937fa3
SSDEEP

768:C+Ehfh4p1YrcVd/JoaxVH/yPGUYuMRup1y0DijrihSdxcLibHWexiha5B:Q6LWGxNPH/y+D21y0D2GhSdeik4

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 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\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{4FE10D42-C0F3-4107-8C99-688C5ECD892C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c05827b5caf125f698d08d438c8108e8fff1362d16ea7d492d72ab94d7634c7d.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\TypeLib\ = "{4FE10D48-C0F3-4107-8C99-688C5ECD892C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4FE10D48-C0F3-4107-8C99-688C5ECD892C}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4FE10D42-C0F3-4107-8C99-688C5ECD892C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c05827b5caf125f698d08d438c8108e8fff1362d16ea7d492d72ab94d7634c7d.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\TypeLib\ = "{4FE10D48-C0F3-4107-8C99-688C5ECD892C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4FE10D41-C0F3-4107-8C99-688C5ECD892C}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1732	regsvr32.exe
1732	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 1732	1968	regsvr32.exe	28
PID 1968 wrote to memory of 1732	1968	regsvr32.exe	28
PID 1968 wrote to memory of 1732	1968	regsvr32.exe	28
PID 1968 wrote to memory of 1732	1968	regsvr32.exe	28
PID 1968 wrote to memory of 1732	1968	regsvr32.exe	28
PID 1968 wrote to memory of 1732	1968	regsvr32.exe	28
PID 1968 wrote to memory of 1732	1968	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c05827b5caf125f698d08d438c8108e8fff1362d16ea7d492d72ab94d7634c7d.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\c05827b5caf125f698d08d438c8108e8fff1362d16ea7d492d72ab94d7634c7d.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1732

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

Replay Monitor

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Downloads

memory/1732-56-0x0000000075521000-0x0000000075523000-memory.dmp

Filesize
8KB

Download
memory/1968-54-0x000007FEFBA81000-0x000007FEFBA83000-memory.dmp

Filesize
8KB

Download