07abc15e51b2ded131325cd872ff5a86e9d92ce9f7df55da20064a59af14ad92

Analysis

max time kernel
119s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 05:30

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General

Target

1007b395b67c3f13e88dbd6fb31bb868.dll
Size

164KB
MD5

1007b395b67c3f13e88dbd6fb31bb868
SHA1

4f83dfddfc115f5a08721185fdf5a1af83c3db29
SHA256

07abc15e51b2ded131325cd872ff5a86e9d92ce9f7df55da20064a59af14ad92
SHA512

9c730a2cda589baa2bcbc230662088065d0fc161a6344bbbdc25205dddf20c07c4722e236052cd7597fca7a670f2b39faa3b2c35e74ce5a477fc767823496e49
SSDEEP

1536:ZmTuHpYB0r03r1cxIfx92AGHx2UF4gDg26fYcijTH4yzgZr1uf54ywRrP9Er/il5:ZmywxQAOVFrefYciLgt1uf54y2Er/i5

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\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}"	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\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\TypeLib\ = "{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1007b395b67c3f13e88dbd6fb31bb868.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\TypeLib\ = "{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1007b395b67c3f13e88dbd6fb31bb868.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF3DBFF2-1B02-4FA2-8BA3-E05EB3348AA5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BF3DBFF8-1B02-4FA2-8BA3-E05EB3348AA5}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BF3DBFF1-1B02-4FA2-8BA3-E05EB3348AA5}\ProxyStubClsid32	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2364	regsvr32.exe
2364	regsvr32.exe
2364	regsvr32.exe
2364	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 2364	316	regsvr32.exe	14
PID 316 wrote to memory of 2364	316	regsvr32.exe	14
PID 316 wrote to memory of 2364	316	regsvr32.exe	14

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\1007b395b67c3f13e88dbd6fb31bb868.dll
1⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:2364

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1007b395b67c3f13e88dbd6fb31bb868.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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