c0c16446f89a21d5861044a829cee55c9b8988213008897af63db05c6dbd38c7

Analysis

max time kernel
1s
max time network
32s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 13:54

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General

Target

c0c16446f89a21d5861044a829cee55c9b8988213008897af63db05c6dbd38c7.dll
Size

85KB
MD5

8d296610b160ae88424cd21fca83c594
SHA1

a45e722220addaed2d7635b5aacd16ef57669b44
SHA256

c0c16446f89a21d5861044a829cee55c9b8988213008897af63db05c6dbd38c7
SHA512

0a41ab3d223ca5db8990ba1871d5984fe505ccf6dfb1584d408a957ba7bdccebe7190220b80967ee7a5d67444c73c989ff3b20120cbb23ca9b546f79951943b3
SSDEEP

1536:3fNl7netQxMkCNkKoogQhnF11vlefT7UF:FlcGMvNhuQhnF11vlOU

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\{1451E202-0E77-416C-B1FA-4213912BFC2C}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1451E201-0E77-416C-B1FA-4213912BFC2C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1451E201-0E77-416C-B1FA-4213912BFC2C}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1451E201-0E77-416C-B1FA-4213912BFC2C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1451E202-0E77-416C-B1FA-4213912BFC2C}\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1451E202-0E77-416C-B1FA-4213912BFC2C}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1451E202-0E77-416C-B1FA-4213912BFC2C}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1451E202-0E77-416C-B1FA-4213912BFC2C}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1451E202-0E77-416C-B1FA-4213912BFC2C}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1451E208-0E77-416C-B1FA-4213912BFC2C}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1451E208-0E77-416C-B1FA-4213912BFC2C}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1451E208-0E77-416C-B1FA-4213912BFC2C}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1451E201-0E77-416C-B1FA-4213912BFC2C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1451E208-0E77-416C-B1FA-4213912BFC2C}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1451E208-0E77-416C-B1FA-4213912BFC2C}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1451E201-0E77-416C-B1FA-4213912BFC2C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1451E201-0E77-416C-B1FA-4213912BFC2C}\TypeLib\ = "{1451E208-0E77-416C-B1FA-4213912BFC2C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1451E201-0E77-416C-B1FA-4213912BFC2C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1451E202-0E77-416C-B1FA-4213912BFC2C}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1451E208-0E77-416C-B1FA-4213912BFC2C}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1451E208-0E77-416C-B1FA-4213912BFC2C}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c0c16446f89a21d5861044a829cee55c9b8988213008897af63db05c6dbd38c7.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1451E201-0E77-416C-B1FA-4213912BFC2C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1451E201-0E77-416C-B1FA-4213912BFC2C}\TypeLib\ = "{1451E208-0E77-416C-B1FA-4213912BFC2C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1451E201-0E77-416C-B1FA-4213912BFC2C}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1451E202-0E77-416C-B1FA-4213912BFC2C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1451E202-0E77-416C-B1FA-4213912BFC2C}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1451E202-0E77-416C-B1FA-4213912BFC2C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c0c16446f89a21d5861044a829cee55c9b8988213008897af63db05c6dbd38c7.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1451E208-0E77-416C-B1FA-4213912BFC2C}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1451E202-0E77-416C-B1FA-4213912BFC2C}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1451E208-0E77-416C-B1FA-4213912BFC2C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1451E208-0E77-416C-B1FA-4213912BFC2C}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1451E201-0E77-416C-B1FA-4213912BFC2C}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1451E201-0E77-416C-B1FA-4213912BFC2C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{1451E202-0E77-416C-B1FA-4213912BFC2C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1451E201-0E77-416C-B1FA-4213912BFC2C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1451E201-0E77-416C-B1FA-4213912BFC2C}\ProxyStubClsid32	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1208	regsvr32.exe
1208	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 1208	1352	regsvr32.exe	28
PID 1352 wrote to memory of 1208	1352	regsvr32.exe	28
PID 1352 wrote to memory of 1208	1352	regsvr32.exe	28
PID 1352 wrote to memory of 1208	1352	regsvr32.exe	28
PID 1352 wrote to memory of 1208	1352	regsvr32.exe	28
PID 1352 wrote to memory of 1208	1352	regsvr32.exe	28
PID 1352 wrote to memory of 1208	1352	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c0c16446f89a21d5861044a829cee55c9b8988213008897af63db05c6dbd38c7.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1352
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\c0c16446f89a21d5861044a829cee55c9b8988213008897af63db05c6dbd38c7.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1208

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/1208-56-0x0000000075F51000-0x0000000075F53000-memory.dmp

Filesize
8KB

Download
memory/1352-54-0x000007FEFBB31000-0x000007FEFBB33000-memory.dmp

Filesize
8KB

Download