ceb5131f666c0b84a7b51eb0206bc81403b82e1848e9988ed4ed464bf2e57733

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
24/06/2024, 00:16

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General

Target

054007d853bcd92fe579e7b2c3555084_JaffaCakes118.dll
Size

176KB
MD5

054007d853bcd92fe579e7b2c3555084
SHA1

74346061ba7655bcceab283821fcaf90f94253b7
SHA256

ceb5131f666c0b84a7b51eb0206bc81403b82e1848e9988ed4ed464bf2e57733
SHA512

4d8e95218f3c3aebef8fa7502492017a9036c88e0662a9ef96ae990f6f9544385088e6932e3879ebbfd77bf9e0b18aa849799c83a6c8e91bb0948f0d507cf25f
SSDEEP

3072:CZkkUnnaDJcf265glJ7FPxlMupqR98eeOShEK:kUKcuIg/hQ1v8eVK

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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{83877F38-C779-4F23-AA7D-7795E23DA8F4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\ = "windows"	regsvr32.exe

Modifies registry class 51 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\AppID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\ = "BHO 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{DC331DF8-D7C1-489C-985B-808102DDDD4E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\ = "BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\CLSID\ = "{83877F38-C779-4F23-AA7D-7795E23DA8F4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\VersionIndependentProgID\ = "BHO.FunPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\ = "IFunPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\ProgID\ = "BHO.FunPlayer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\ = "IFunPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\TypeLib\ = "{DC331DF8-D7C1-489C-985B-808102DDDD4E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\BHO.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\BHO.DLL\AppID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\ = "CFunPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\054007d853bcd92fe579e7b2c3555084_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CLSID\ = "{83877F38-C779-4F23-AA7D-7795E23DA8F4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\ = "CFunPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CurVer\ = "BHO.FunPlayer.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\ = "CFunPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\054007d853bcd92fe579e7b2c3555084_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\TypeLib\ = "{DC331DF8-D7C1-489C-985B-808102DDDD4E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\TypeLib\ = "{DC331DF8-D7C1-489C-985B-808102DDDD4E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\ProxyStubClsid32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3912 wrote to memory of 1840	3912	regsvr32.exe	85
PID 3912 wrote to memory of 1840	3912	regsvr32.exe	85
PID 3912 wrote to memory of 1840	3912	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\054007d853bcd92fe579e7b2c3555084_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3912
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\054007d853bcd92fe579e7b2c3555084_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1840

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

Windows 7 deprecation

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