adda7294878490a0439bc41ccffbbdab0fdffc6dcef9820a5c3f63a706b5ad21

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 05:01

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General

Target

564d4798f16a35a6cea3fcd3e2976f4c.dll
Size

48KB
MD5

564d4798f16a35a6cea3fcd3e2976f4c
SHA1

6eb7fd9d9414b977e120809b30d14db9f3b0b387
SHA256

adda7294878490a0439bc41ccffbbdab0fdffc6dcef9820a5c3f63a706b5ad21
SHA512

148781dc3738067dca1ff0f512ecf1531a81a687b60fce411f3db2e959d035812b9f089181af19204eda70520805cf1aa123cd153b5d94dc36d9547478d1ca47
SSDEEP

768:+Nj5GIjHRw4pfKa+KQ1w5OGNMLlttVXg9REYm8AO3JS3ksP/qpSfddAMeqVQI:+XGQSGfXF2GNMLBmLtUOw3XiZgn

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\{1E8AD682-7232-4EB5-B105-8033E4B4A885}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\TypeLib\ = "{1E8AD688-7232-4EB5-B105-8033E4B4A885}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\TypeLib\ = "{1E8AD688-7232-4EB5-B105-8033E4B4A885}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	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\{1E8AD682-7232-4EB5-B105-8033E4B4A885}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\ = "IIEHlprObj"	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\ = "{1E8AD682-7232-4EB5-B105-8033E4B4A885}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{1E8AD682-7232-4EB5-B105-8033E4B4A885}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\564d4798f16a35a6cea3fcd3e2976f4c.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1E8AD688-7232-4EB5-B105-8033E4B4A885}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\564d4798f16a35a6cea3fcd3e2976f4c.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{1E8AD681-7232-4EB5-B105-8033E4B4A885}\TypeLib	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2268	regsvr32.exe
2268	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2268	1740	regsvr32.exe	16
PID 1740 wrote to memory of 2268	1740	regsvr32.exe	16
PID 1740 wrote to memory of 2268	1740	regsvr32.exe	16
PID 1740 wrote to memory of 2268	1740	regsvr32.exe	16
PID 1740 wrote to memory of 2268	1740	regsvr32.exe	16
PID 1740 wrote to memory of 2268	1740	regsvr32.exe	16
PID 1740 wrote to memory of 2268	1740	regsvr32.exe	16

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\564d4798f16a35a6cea3fcd3e2976f4c.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\564d4798f16a35a6cea3fcd3e2976f4c.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:2268

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/2268-0-0x0000000010000000-0x000000001002C000-memory.dmp

Filesize
176KB

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