c6e0dac98f4ac142708a7f261f2861c7bb029075c816fa6ed668e8543390e8c8

Analysis

max time kernel
139s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 14:13

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General

Target
9be3117b784740f1bfb7f89200fa6cfa.dll
Size 116KB
Sample240214-rjpvrscg91
SHA256 c6e0dac98f4ac142708a7f261f2861c7bb029075c816fa6ed668e8543390e8c8
MD5 9be3117b784740f1bfb7f89200fa6cfa
SHA1 9f4b65b9be53365ae21d2f841d3e3024845b686a
SHA512 b5aa89f84536d075a45b27505d2e0756ed52ac975556741eaab8a577738f2fa10a0f0436a7fea94ed9f9d4d71c2edfbfa9124eb1d248a544d4f0548e52ddda03
SSDEEP 3072:CNL8INQ4fv7Tqo76IbghkCidj8DadlZ70UTh6Vq6hWpW3vTHl6mmohEs:CNFWAtvTh+q6hWg3jlPP3
MD5 SHA1 SHA512 SSDEEP

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\{BF50AC63-19DA-487E-AD4A-0B452D823B59}	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Version Vector\	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\	regsvr32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\WarnOnClose = "0"	regsvr32.exe

Modifies registry class 49 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib\ = "{4645A0E0-7B59-439A-BB73-D4159321E09B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9be3117b784740f1bfb7f89200fa6cfa.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{BF50AC63-19DA-487E-AD4A-0B452D823B59}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9be3117b784740f1bfb7f89200fa6cfa.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\ = "QuickFlash 1.0 Type Library"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\CUDA = "1829"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "BrowserPanel"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ = "BrowserPanel"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ProxyStubClsid32	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\FSHS = "0"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\BLOD = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "QuickFlash"	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\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib\ = "{4645A0E0-7B59-439A-BB73-D4159321E09B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ = "IIEHlprObj"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\SJBC = "301"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0E5CBF21-D15F-11d0-8301-00AA005B4383}\InProcServer32\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4645A0E0-7B59-439A-BB73-D4159321E09B}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C86B82BE-3E84-4F71-8323-F12BB71D9CB2}\ProxyStubClsid32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4692 wrote to memory of 2040	4692	regsvr32.exe	84
PID 4692 wrote to memory of 2040	4692	regsvr32.exe	84
PID 4692 wrote to memory of 2040	4692	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9be3117b784740f1bfb7f89200fa6cfa.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4692
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9be3117b784740f1bfb7f89200fa6cfa.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:2040

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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