d0d752898b5599f56154429fbad87c25c55de3fc53b5b02e7fa7a99901820c59

Analysis

max time kernel
154s
max time network
162s
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, 17:15

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General

Target

d0d752898b5599f56154429fbad87c25c55de3fc53b5b02e7fa7a99901820c59.dll
Size

112KB
MD5

b42b7b3e95922e1e10fa7545750ba3ca
SHA1

5622b1be720efb6783a96ae80ad977b05235646c
SHA256

d0d752898b5599f56154429fbad87c25c55de3fc53b5b02e7fa7a99901820c59
SHA512

6d253db2aa1b2a803a247339bc2b40f9be6cf536ee2f996ed329377657f7dc5223bc4cd215fa9a8135103cb0a17831813187da602a50d62b0f51650bb1d9802a
SSDEEP

1536:qyGtoS9sVmo7uuTMNHCZ8pIKFcUjBtcwkgS/81yUeb7DpmZ1Ek:qyZ92uTMNHCZayH/81yU82

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\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\ = "IIEHlprObj"	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\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d0d752898b5599f56154429fbad87c25c55de3fc53b5b02e7fa7a99901820c59.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d0d752898b5599f56154429fbad87c25c55de3fc53b5b02e7fa7a99901820c59.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\TypeLib\ = "{753A9DE8-F775-4F12-86B9-FB2AEA44D130}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{753A9DE2-F775-4F12-86B9-FB2AEA44D130}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\TypeLib\ = "{753A9DE8-F775-4F12-86B9-FB2AEA44D130}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{753A9DE2-F775-4F12-86B9-FB2AEA44D130}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{753A9DE1-F775-4F12-86B9-FB2AEA44D130}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{753A9DE8-F775-4F12-86B9-FB2AEA44D130}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1516	regsvr32.exe
1516	regsvr32.exe
1516	regsvr32.exe
1516	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4032 wrote to memory of 1516	4032	regsvr32.exe	80
PID 4032 wrote to memory of 1516	4032	regsvr32.exe	80
PID 4032 wrote to memory of 1516	4032	regsvr32.exe	80

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d0d752898b5599f56154429fbad87c25c55de3fc53b5b02e7fa7a99901820c59.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4032
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\d0d752898b5599f56154429fbad87c25c55de3fc53b5b02e7fa7a99901820c59.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1516 -ip 1516
1⤵
PID:4072

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/1516-133-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

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