6c67ed10cc507caf39fee7a478a93ec7a29ed00bbd198b03b0816de6477af79e

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/10/2024, 05:05

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General

Target

11f3a7797b8169ae7b44093df0c623b2_JaffaCakes118.dll
Size

184KB
MD5

11f3a7797b8169ae7b44093df0c623b2
SHA1

a414b5518461f8199d220623b494c17641d363b7
SHA256

6c67ed10cc507caf39fee7a478a93ec7a29ed00bbd198b03b0816de6477af79e
SHA512

844de42304c73b3deec8cadf0c4cc67fdfbd5280681f85f5e950db761a90022aeb864a3b0f886ff5bd23d29a3bb5700f57ad8efdfa5e7228af83590b026b3d8c
SSDEEP

3072:rgLVfn6Cc+C7m8zrTUnoxla/MktiKs837eRV4YAIRGF0w5cPH4NUaoFE:qVA+CyUTDOrrsW6T4fF0w59NOG

Score

6^/10

adware discovery 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

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 51 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\11f3a7797b8169ae7b44093df0c623b2_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\ = "IFunPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\0	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\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}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\ = "BHO 1.0 Type Library"	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\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\ = "CFunPlayer Object"	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}\VersionIndependentProgID\ = "BHO.FunPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{DC331DF8-D7C1-489C-985B-808102DDDD4E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\TypeLib\ = "{DC331DF8-D7C1-489C-985B-808102DDDD4E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0	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\BHO.FunPlayer\CurVer	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\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\TypeLib\Version = "1.0"	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\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}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\ = "CFunPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83877F38-C779-4F23-AA7D-7795E23DA8F4}\AppID	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\Wow6432Node\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	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\TypeLib\{DC331DF8-D7C1-489C-985B-808102DDDD4E}\1.0\FLAGS\ = "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\\11f3a7797b8169ae7b44093df0c623b2_JaffaCakes118.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\CLSID\ = "{83877F38-C779-4F23-AA7D-7795E23DA8F4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CLSID\ = "{83877F38-C779-4F23-AA7D-7795E23DA8F4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{840153EF-4186-466E-B2B9-45A76D3C7BDA}\ = "IFunPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\BHO.DLL	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 2364	1152	regsvr32.exe	31
PID 1152 wrote to memory of 2364	1152	regsvr32.exe	31
PID 1152 wrote to memory of 2364	1152	regsvr32.exe	31
PID 1152 wrote to memory of 2364	1152	regsvr32.exe	31
PID 1152 wrote to memory of 2364	1152	regsvr32.exe	31
PID 1152 wrote to memory of 2364	1152	regsvr32.exe	31
PID 1152 wrote to memory of 2364	1152	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\11f3a7797b8169ae7b44093df0c623b2_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\11f3a7797b8169ae7b44093df0c623b2_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2364

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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