d16dddc1e9ad69c5ef67afd93eb801c74ca5b95ec8b46741786c8c8ec47b1b1d

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
23-04-2024 14:29

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General

Target

IESecurity.dll
Size

41KB
MD5

04ea7f07722c9c03cf932876a841183a
SHA1

cfb77d3970be7037dcdd887e862d7bbbf4855640
SHA256

f407f96d71d6fa7597ce85abb9ba4bdd95d02fe7f2ef46f0c343a4a0d6115c0d
SHA512

bc70b4a7fc5cf8a6edc01a53e8a0c216ea3c7c81daa6020b35326dfe2db28d1851b7d558e023af2295aa58ab10285ba016aea9fe950f9bbc3a3722f3ae5beea9
SSDEEP

768:VgTrL1xJddyW9QtPW1pVHkmTHzHtCo9vQDbUGTO:VS/JGUQtPWhEmTHzHAo1QDbUGTO

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{B85BB239-F685-4547-B0AC-E8835CD8ED24}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\ = "OneSecurity"	regsvr32.exe

Modifies registry class 46 IoCs

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IESecurity.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\TypeLib\ = "{4EEAFD15-6A8A-4957-8932-259100D9C18B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\ = "IGopher"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity\CurVer\ = "OneSecurity.IESecurity.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\ProgID\ = "OneSecurity.IESecurity.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\VersionIndependentProgID\ = "OneSecurity.IESecurity"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\ = "IGopher"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity.1\ = "One Security IE Security Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}\1.0\ = "SpywareNo IE Security 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\TypeLib\ = "{4EEAFD15-6A8A-4957-8932-259100D9C18B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\TypeLib\ = "{4EEAFD15-6A8A-4957-8932-259100D9C18B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity\ = "One Security IE Security Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\ = "One Security IE Security Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B85BB239-F685-4547-B0AC-E8835CD8ED24}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IESecurity.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{E81A8BAF-B19C-4857-9A78-26419429134D}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity.1\CLSID\ = "{B85BB239-F685-4547-B0AC-E8835CD8ED24}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OneSecurity.IESecurity\CLSID\ = "{B85BB239-F685-4547-B0AC-E8835CD8ED24}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4EEAFD15-6A8A-4957-8932-259100D9C18B}\1.0\FLAGS	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 4028 wrote to memory of 5068	4028	regsvr32.exe	regsvr32.exe
PID 4028 wrote to memory of 5068	4028	regsvr32.exe	regsvr32.exe
PID 4028 wrote to memory of 5068	4028	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\IESecurity.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4028
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\IESecurity.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:5068

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

Replay Monitor

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Downloads

memory/5068-0-0x0000000010000000-0x0000000010207000-memory.dmp

Filesize
2.0MB

Download
memory/5068-1-0x0000000010000000-0x0000000010207000-memory.dmp

Filesize
2.0MB

Download
memory/5068-2-0x0000000010000000-0x0000000010207000-memory.dmp

Filesize
2.0MB

Download