523daf918a0b028814eff36cf36c0b084d9ba9ee4c7f6e8be97625172d1f5d0f

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 19:45

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General

Target

b8e70df7372fff88a04e91d8fdb86ae6_JaffaCakes118.dll
Size

240KB
MD5

b8e70df7372fff88a04e91d8fdb86ae6
SHA1

2b3b7273681db52c70072adae501138bb4eca0b8
SHA256

523daf918a0b028814eff36cf36c0b084d9ba9ee4c7f6e8be97625172d1f5d0f
SHA512

85be81cfdf3cdfeca1ae90738153e0a53912c49579ce63deb843bc8ee5d1a3e8f433f72066370b3ee67eeac4afabd4e608a3c6804aae5e1e1432de100d5cbda0
SSDEEP

6144:OfbDy7b10BJEKMuby0HSaNc5tvyieN9VqvQdUw:cbDyN04KMubNyaNc5dyieN9Vq4Uw

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\{ED493CC4-E87B-4D8C-AC59-2A87A14237A0}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{ED493CC4-E87B-4D8C-AC59-2A87A14237A0}\ = "Microsoft User"	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 47 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\ = "CFunPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ED493CC4-E87B-4D8C-AC59-2A87A14237A0}\VersionIndependentProgID\ = "BHO.FunPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ED493CC4-E87B-4D8C-AC59-2A87A14237A0}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{797AD939-E96C-43E1-ACBD-778DFFD8748C}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5CC0BADE-4049-4B84-B998-D1AD4D7B9C44}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ED493CC4-E87B-4D8C-AC59-2A87A14237A0}\ = "CFunPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ED493CC4-E87B-4D8C-AC59-2A87A14237A0}\ProgID\ = "BHO.FunPlayer.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ED493CC4-E87B-4D8C-AC59-2A87A14237A0}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b8e70df7372fff88a04e91d8fdb86ae6_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{797AD939-E96C-43E1-ACBD-778DFFD8748C}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5CC0BADE-4049-4B84-B998-D1AD4D7B9C44}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ED493CC4-E87B-4D8C-AC59-2A87A14237A0}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{797AD939-E96C-43E1-ACBD-778DFFD8748C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{797AD939-E96C-43E1-ACBD-778DFFD8748C}\1.0\ = "BHO 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{797AD939-E96C-43E1-ACBD-778DFFD8748C}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{797AD939-E96C-43E1-ACBD-778DFFD8748C}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5CC0BADE-4049-4B84-B998-D1AD4D7B9C44}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ED493CC4-E87B-4D8C-AC59-2A87A14237A0}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ED493CC4-E87B-4D8C-AC59-2A87A14237A0}\TypeLib\ = "{797AD939-E96C-43E1-ACBD-778DFFD8748C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{797AD939-E96C-43E1-ACBD-778DFFD8748C}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5CC0BADE-4049-4B84-B998-D1AD4D7B9C44}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5CC0BADE-4049-4B84-B998-D1AD4D7B9C44}\TypeLib\ = "{797AD939-E96C-43E1-ACBD-778DFFD8748C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5CC0BADE-4049-4B84-B998-D1AD4D7B9C44}\ = "IFunPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5CC0BADE-4049-4B84-B998-D1AD4D7B9C44}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\ = "CFunPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ED493CC4-E87B-4D8C-AC59-2A87A14237A0}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ED493CC4-E87B-4D8C-AC59-2A87A14237A0}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{797AD939-E96C-43E1-ACBD-778DFFD8748C}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b8e70df7372fff88a04e91d8fdb86ae6_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{797AD939-E96C-43E1-ACBD-778DFFD8748C}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\CLSID\ = "{ED493CC4-E87B-4D8C-AC59-2A87A14237A0}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ED493CC4-E87B-4D8C-AC59-2A87A14237A0}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ED493CC4-E87B-4D8C-AC59-2A87A14237A0}\AppID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5CC0BADE-4049-4B84-B998-D1AD4D7B9C44}\ = "IFunPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ED493CC4-E87B-4D8C-AC59-2A87A14237A0}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5CC0BADE-4049-4B84-B998-D1AD4D7B9C44}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5CC0BADE-4049-4B84-B998-D1AD4D7B9C44}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5CC0BADE-4049-4B84-B998-D1AD4D7B9C44}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CLSID\ = "{ED493CC4-E87B-4D8C-AC59-2A87A14237A0}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CurVer\ = "BHO.FunPlayer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{797AD939-E96C-43E1-ACBD-778DFFD8748C}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5CC0BADE-4049-4B84-B998-D1AD4D7B9C44}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5CC0BADE-4049-4B84-B998-D1AD4D7B9C44}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5CC0BADE-4049-4B84-B998-D1AD4D7B9C44}\TypeLib\ = "{797AD939-E96C-43E1-ACBD-778DFFD8748C}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2740	2696	regsvr32.exe	30
PID 2696 wrote to memory of 2740	2696	regsvr32.exe	30
PID 2696 wrote to memory of 2740	2696	regsvr32.exe	30
PID 2696 wrote to memory of 2740	2696	regsvr32.exe	30
PID 2696 wrote to memory of 2740	2696	regsvr32.exe	30
PID 2696 wrote to memory of 2740	2696	regsvr32.exe	30
PID 2696 wrote to memory of 2740	2696	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b8e70df7372fff88a04e91d8fdb86ae6_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b8e70df7372fff88a04e91d8fdb86ae6_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2740

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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