cd5704989486e6f4439682418e0db4914ce06fc1fa6fe45674e802ee9281b18d

General

Target

cd5704989486e6f4439682418e0db4914ce06fc1fa6fe45674e802ee9281b18d.dll
Size

1.6MB
MD5

05a299552f14f8c5f9fd449c60b9e7ee
SHA1

0cb1fe95a8a3444bc50e3ee8f587043d3bdc5ebb
SHA256

cd5704989486e6f4439682418e0db4914ce06fc1fa6fe45674e802ee9281b18d
SHA512

824052e41cfefcdb7e6a944f18ff264594bba5dd1b39e7139e71ef31b55eab9671204e5d53ffdc91a47d16087277f9551dd26c376effecccf3cdc73e02c4b2fc
SSDEEP

49152:TL+bXrgP0+/1y8f58bsY0ySLHkW+dCXP4sm/xtl:HObgPJBVtVLHkWA1/

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{BFE4B5CB-63F7-4A51-9266-6167655D5B4F}\ = "FCTBPos00Pos"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{BFE4B5CB-63F7-4A51-9266-6167655D5B4F}	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C80BDEB2-8735-44C6-BD55-A1CCD555667A}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CCBDEEA9-517A-4862-B0A1-862AE9532228}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cd5704989486e6f4439682418e0db4914ce06fc1fa6fe45674e802ee9281b18d.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FFBAC79-9683-4C7D-9B08-7637FC3A6748}\ = "IPosBHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FF7FA134-575D-4E60-8DBA-6090D2A1E162}\ = "IJSOptionsImpl"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FF7FA134-575D-4E60-8DBA-6090D2A1E162}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C80BDEB2-8735-44C6-BD55-A1CCD555667A}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\FCTB000060231.FCTB000060231Pos\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\FCTB000060231.JSOptionsImpl.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C329777A-0CD1-4A76-92A7-65867073661E}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\FCTB000060231.IEToolbar.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BFE4B5CB-63F7-4A51-9266-6167655D5B4F}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\FCTB000060231.JSOptionsImpl\CLSID	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\FCTB000060231.IEToolbar\CLSID\ = "{C80BDEB2-8735-44C6-BD55-A1CCD555667A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A11BC516-01FE-4AD3-8D5B-876439AF1870}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FFBAC79-9683-4C7D-9B08-7637FC3A6748}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FF7FA134-575D-4E60-8DBA-6090D2A1E162}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C80BDEB2-8735-44C6-BD55-A1CCD555667A}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C80BDEB2-8735-44C6-BD55-A1CCD555667A}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C329777A-0CD1-4A76-92A7-65867073661E}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C80BDEB2-8735-44C6-BD55-A1CCD555667A}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CCBDEEA9-517A-4862-B0A1-862AE9532228}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7FFBAC79-9683-4C7D-9B08-7637FC3A6748}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FF7FA134-575D-4E60-8DBA-6090D2A1E162}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FF7FA134-575D-4E60-8DBA-6090D2A1E162}\TypeLib	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\TypeLib\{CCBDEEA9-517A-4862-B0A1-862AE9532228}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\FCTB000060231.FCTB000060231Pos\CurVer\ = "FCTB000060231.FCTB000060231Pos.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BFE4B5CB-63F7-4A51-9266-6167655D5B4F}\ = "Freecause Toolbar BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\FCTB000060231.JSOptionsImpl\CLSID\ = "{C329777A-0CD1-4A76-92A7-65867073661E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C329777A-0CD1-4A76-92A7-65867073661E}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CCBDEEA9-517A-4862-B0A1-862AE9532228}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A11BC516-01FE-4AD3-8D5B-876439AF1870}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\FCTB000060231.FCTB000060231Pos	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BFE4B5CB-63F7-4A51-9266-6167655D5B4F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cd5704989486e6f4439682418e0db4914ce06fc1fa6fe45674e802ee9281b18d.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\FCTB000060231.JSOptionsImpl	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C329777A-0CD1-4A76-92A7-65867073661E}\ = "JSOptionsImpl Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\FCTB000060231.FCTB000060231Pos\CLSID\ = "{BFE4B5CB-63F7-4A51-9266-6167655D5B4F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7FFBAC79-9683-4C7D-9B08-7637FC3A6748}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FFBAC79-9683-4C7D-9B08-7637FC3A6748}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C80BDEB2-8735-44C6-BD55-A1CCD555667A}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\TypeLib\{CCBDEEA9-517A-4862-B0A1-862AE9532228}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C80BDEB2-8735-44C6-BD55-A1CCD555667A}\TypeLib\ = "{CCBDEEA9-517A-4862-B0A1-862AE9532228}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\FCTB000060231.FCTB000060231Pos.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\FCTB000060231.JSOptionsImpl\ = "JSOptionsImpl Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7FFBAC79-9683-4C7D-9B08-7637FC3A6748}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7FFBAC79-9683-4C7D-9B08-7637FC3A6748}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FFBAC79-9683-4C7D-9B08-7637FC3A6748}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FF7FA134-575D-4E60-8DBA-6090D2A1E162}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BFE4B5CB-63F7-4A51-9266-6167655D5B4F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BFE4B5CB-63F7-4A51-9266-6167655D5B4F}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\FCTB000060231.JSOptionsImpl.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A11BC516-01FE-4AD3-8D5B-876439AF1870}\ = "IFreecauseAddIn"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FF7FA134-575D-4E60-8DBA-6090D2A1E162}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FF7FA134-575D-4E60-8DBA-6090D2A1E162}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BFE4B5CB-63F7-4A51-9266-6167655D5B4F}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CCBDEEA9-517A-4862-B0A1-862AE9532228}\1.0\ = "Freecause Toolbar Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FF7FA134-575D-4E60-8DBA-6090D2A1E162}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A11BC516-01FE-4AD3-8D5B-876439AF1870}\TypeLib\ = "{CCBDEEA9-517A-4862-B0A1-862AE9532228}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A11BC516-01FE-4AD3-8D5B-876439AF1870}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C329777A-0CD1-4A76-92A7-65867073661E}\ProgID\ = "FCTB000060231.JSOptionsImpl.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A11BC516-01FE-4AD3-8D5B-876439AF1870}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CCBDEEA9-517A-4862-B0A1-862AE9532228}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A11BC516-01FE-4AD3-8D5B-876439AF1870}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A11BC516-01FE-4AD3-8D5B-876439AF1870}\TypeLib\ = "{CCBDEEA9-517A-4862-B0A1-862AE9532228}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 2116 wrote to memory of 536	2116	regsvr32.exe	regsvr32.exe
PID 2116 wrote to memory of 536	2116	regsvr32.exe	regsvr32.exe
PID 2116 wrote to memory of 536	2116	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\cd5704989486e6f4439682418e0db4914ce06fc1fa6fe45674e802ee9281b18d.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2116

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\cd5704989486e6f4439682418e0db4914ce06fc1fa6fe45674e802ee9281b18d.dll
2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:536

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

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Downloads

memory/536-132-0x0000000000000000-mapping.dmp

Download
memory/536-133-0x0000000010000000-0x00000000101A0000-memory.dmp

Filesize
1.6MB

Download
memory/536-134-0x0000000000FB0000-0x0000000000FBF000-memory.dmp

Filesize
60KB

Download
memory/536-135-0x0000000001010000-0x000000000101F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads