cef265e14f21b304e3d7f38f2881d1e110875a26b682c71c7cb16b436a21eb43

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
29/08/2024, 05:34

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General

Target

c84cba0a9a6072c5d96fd61c2593fb33_JaffaCakes118.dll
Size

60KB
MD5

c84cba0a9a6072c5d96fd61c2593fb33
SHA1

9b2d00f28dc74471954abd54f0a834a377095459
SHA256

cef265e14f21b304e3d7f38f2881d1e110875a26b682c71c7cb16b436a21eb43
SHA512

33c4e949b8f5c56a23f6c319c97b5485803e6a64c68e5210454a8fa49d5b9d3377cbbf3e5cc0ff972db9a51d065a27600d46c8a8e5fd716357978b94c35380dc
SSDEEP

768:0ZtivJMHZfeB62sRCpGF14gshUUwAAMBWWm4NlTQDqe2drQWFrQckc01f+:0ZtivEdMGjsX7BWWm4rTC2drQgrv0V+

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{91C1AE56-D2C9-4017-8BF1-75EA182CEB38}\ = "IECtrl Helper"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{91C1AE56-D2C9-4017-8BF1-75EA182CEB38}	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 46 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\F2DayDll.IECtrl\CLSID\ = "{91C1AE56-D2C9-4017-8BF1-75EA182CEB38}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\F2DayDll.IECtrl\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{91C1AE56-D2C9-4017-8BF1-75EA182CEB38}\VersionIndependentProgID\ = "F2DayDll.IECtrl"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4A0CAEEF-416C-43D1-A937-5512A74FEA61}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E56CB68-A7C4-4E6C-8E48-386A3D2E58BC}\TypeLib\ = "{4A0CAEEF-416C-43D1-A937-5512A74FEA61}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E56CB68-A7C4-4E6C-8E48-386A3D2E58BC}\TypeLib\ = "{4A0CAEEF-416C-43D1-A937-5512A74FEA61}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\F2DayDll.IECtrl.1\CLSID\ = "{91C1AE56-D2C9-4017-8BF1-75EA182CEB38}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\F2DayDll.IECtrl	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{91C1AE56-D2C9-4017-8BF1-75EA182CEB38}\TypeLib\ = "{4A0CAEEF-416C-43D1-A937-5512A74FEA61}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E56CB68-A7C4-4E6C-8E48-386A3D2E58BC}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\F2DayDll.IECtrl\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\F2DayDll.IECtrl\CurVer\ = "F2DayDll.IECtrl.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{91C1AE56-D2C9-4017-8BF1-75EA182CEB38}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{91C1AE56-D2C9-4017-8BF1-75EA182CEB38}\ProgID\ = "F2DayDll.IECtrl.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{91C1AE56-D2C9-4017-8BF1-75EA182CEB38}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{91C1AE56-D2C9-4017-8BF1-75EA182CEB38}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E56CB68-A7C4-4E6C-8E48-386A3D2E58BC}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{91C1AE56-D2C9-4017-8BF1-75EA182CEB38}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{91C1AE56-D2C9-4017-8BF1-75EA182CEB38}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\C84CBA~1.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4A0CAEEF-416C-43D1-A937-5512A74FEA61}\1.0\ = "F2DayDll 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4A0CAEEF-416C-43D1-A937-5512A74FEA61}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4A0CAEEF-416C-43D1-A937-5512A74FEA61}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E56CB68-A7C4-4E6C-8E48-386A3D2E58BC}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E56CB68-A7C4-4E6C-8E48-386A3D2E58BC}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E56CB68-A7C4-4E6C-8E48-386A3D2E58BC}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\F2DayDll.IECtrl\ = "IECtrl Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4A0CAEEF-416C-43D1-A937-5512A74FEA61}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\F2DayDll.IECtrl.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{91C1AE56-D2C9-4017-8BF1-75EA182CEB38}\ = "IECtrl Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{91C1AE56-D2C9-4017-8BF1-75EA182CEB38}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4A0CAEEF-416C-43D1-A937-5512A74FEA61}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4A0CAEEF-416C-43D1-A937-5512A74FEA61}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c84cba0a9a6072c5d96fd61c2593fb33_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E56CB68-A7C4-4E6C-8E48-386A3D2E58BC}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\F2DayDll.IECtrl.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\F2DayDll.IECtrl.1\ = "IECtrl Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E56CB68-A7C4-4E6C-8E48-386A3D2E58BC}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E56CB68-A7C4-4E6C-8E48-386A3D2E58BC}\ = "IIECtrl"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E56CB68-A7C4-4E6C-8E48-386A3D2E58BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E56CB68-A7C4-4E6C-8E48-386A3D2E58BC}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4A0CAEEF-416C-43D1-A937-5512A74FEA61}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E56CB68-A7C4-4E6C-8E48-386A3D2E58BC}\ = "IIECtrl"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{91C1AE56-D2C9-4017-8BF1-75EA182CEB38}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4A0CAEEF-416C-43D1-A937-5512A74FEA61}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E56CB68-A7C4-4E6C-8E48-386A3D2E58BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{91C1AE56-D2C9-4017-8BF1-75EA182CEB38}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4A0CAEEF-416C-43D1-A937-5512A74FEA61}\1.0\HELPDIR	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2820	2732	regsvr32.exe	30
PID 2732 wrote to memory of 2820	2732	regsvr32.exe	30
PID 2732 wrote to memory of 2820	2732	regsvr32.exe	30
PID 2732 wrote to memory of 2820	2732	regsvr32.exe	30
PID 2732 wrote to memory of 2820	2732	regsvr32.exe	30
PID 2732 wrote to memory of 2820	2732	regsvr32.exe	30
PID 2732 wrote to memory of 2820	2732	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c84cba0a9a6072c5d96fd61c2593fb33_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\c84cba0a9a6072c5d96fd61c2593fb33_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2820

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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