9c2e0251c7aee2bc56065c4932c50aaa57c04a72c94b97152fd0ca86d03e661b

General

Target

9c2e0251c7aee2bc56065c4932c50aaa57c04a72c94b97152fd0ca86d03e661b.dll
Size

100KB
MD5

9dd0a738c4baf4bf93537a6a6b3ee9a7
SHA1

6a7de49be4a36db785d005ae3c7193f3aedc770f
SHA256

9c2e0251c7aee2bc56065c4932c50aaa57c04a72c94b97152fd0ca86d03e661b
SHA512

7679bbc0f07e0969fc5d39760cfd81ce52f359a80b28ffaea50ce60e8d1a635ef0510c79a0af107d38b5ef1160887342517edef449b9851a01d60ba59134d92d

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs
BHOs are DLL modules which act as plugins for Internet Explorer.
stealer adware

Modify Registry
T1112

Browser Extensions
T1176

Modifies registry class 46 IoCs

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Bh1.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Bh1.IEHlprObj\CLSID\ = "{45002861-ED0C-4AE0-9240-FF24D544DB41}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45002861-ED0C-4AE0-9240-FF24D544DB41}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{ACC56B94-FCE3-4ACA-BDF1-60B6DC6EB965}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Bh1.IEHlprObj.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45002861-ED0C-4AE0-9240-FF24D544DB41}\ProgID\ = "Bh1.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45002861-ED0C-4AE0-9240-FF24D544DB41}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{003298AC-E8DA-429F-9624-4126056E0552}\TypeLib\ = "{ACC56B94-FCE3-4ACA-BDF1-60B6DC6EB965}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Bh1.IEHlprObj.1\CLSID\ = "{45002861-ED0C-4AE0-9240-FF24D544DB41}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45002861-ED0C-4AE0-9240-FF24D544DB41}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45002861-ED0C-4AE0-9240-FF24D544DB41}\TypeLib\ = "{ACC56B94-FCE3-4ACA-BDF1-60B6DC6EB965}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{ACC56B94-FCE3-4ACA-BDF1-60B6DC6EB965}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{003298AC-E8DA-429F-9624-4126056E0552}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{003298AC-E8DA-429F-9624-4126056E0552}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{003298AC-E8DA-429F-9624-4126056E0552}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Bh1.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Bh1.IEHlprObj\CurVer\ = "Bh1.IEHlprObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45002861-ED0C-4AE0-9240-FF24D544DB41}\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45002861-ED0C-4AE0-9240-FF24D544DB41}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{ACC56B94-FCE3-4ACA-BDF1-60B6DC6EB965}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{ACC56B94-FCE3-4ACA-BDF1-60B6DC6EB965}\1.0\ = "bh1 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{003298AC-E8DA-429F-9624-4126056E0552}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45002861-ED0C-4AE0-9240-FF24D544DB41}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45002861-ED0C-4AE0-9240-FF24D544DB41}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{ACC56B94-FCE3-4ACA-BDF1-60B6DC6EB965}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{ACC56B94-FCE3-4ACA-BDF1-60B6DC6EB965}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{003298AC-E8DA-429F-9624-4126056E0552}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{003298AC-E8DA-429F-9624-4126056E0552}\TypeLib\ = "{ACC56B94-FCE3-4ACA-BDF1-60B6DC6EB965}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{ACC56B94-FCE3-4ACA-BDF1-60B6DC6EB965}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{003298AC-E8DA-429F-9624-4126056E0552}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{003298AC-E8DA-429F-9624-4126056E0552}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Bh1.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Bh1.IEHlprObj\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45002861-ED0C-4AE0-9240-FF24D544DB41}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9c2e0251c7aee2bc56065c4932c50aaa57c04a72c94b97152fd0ca86d03e661b.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45002861-ED0C-4AE0-9240-FF24D544DB41}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{ACC56B94-FCE3-4ACA-BDF1-60B6DC6EB965}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{ACC56B94-FCE3-4ACA-BDF1-60B6DC6EB965}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{003298AC-E8DA-429F-9624-4126056E0552}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Bh1.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Bh1.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{45002861-ED0C-4AE0-9240-FF24D544DB41}\VersionIndependentProgID\ = "Bh1.IEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{ACC56B94-FCE3-4ACA-BDF1-60B6DC6EB965}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9c2e0251c7aee2bc56065c4932c50aaa57c04a72c94b97152fd0ca86d03e661b.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{003298AC-E8DA-429F-9624-4126056E0552}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{003298AC-E8DA-429F-9624-4126056E0552}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{003298AC-E8DA-429F-9624-4126056E0552}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{003298AC-E8DA-429F-9624-4126056E0552}\ProxyStubClsid32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 4828 wrote to memory of 2288	4828	regsvr32.exe	regsvr32.exe
PID 4828 wrote to memory of 2288	4828	regsvr32.exe	regsvr32.exe
PID 4828 wrote to memory of 2288	4828	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9c2e0251c7aee2bc56065c4932c50aaa57c04a72c94b97152fd0ca86d03e661b.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4828

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\9c2e0251c7aee2bc56065c4932c50aaa57c04a72c94b97152fd0ca86d03e661b.dll
2⤵
- Modifies registry class
PID:2288

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2288-130-0x0000000000000000-mapping.dmp

Download

Analysis

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