b81ee118b280d3c8fc7dcdde5c3105c14f98d87149f5e5b5c8131cb564ac97c0

Analysis

max time kernel
94s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 07:34

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General

Target

04dfd99228ae3335ccf4c85649689788_JaffaCakes118.dll
Size

192KB
MD5

04dfd99228ae3335ccf4c85649689788
SHA1

a7333ee31a3017a642c5c4e0f6582623021f635c
SHA256

b81ee118b280d3c8fc7dcdde5c3105c14f98d87149f5e5b5c8131cb564ac97c0
SHA512

19ad32765db4eee9ded40761bf38a14e8a00a20da2279f0f6b7d2898436bc054961ddd4c4271b157c74a4da9721e27e5ae8baed97c959206a11db43761c3f10c
SSDEEP

3072:p9NkAs3vNMzIduJ0fUq1mp5WeT9u7dlHsNr/r:HNkAsFSlqYjWH7O

Score

6^/10

adware discovery stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 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\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}	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 Internet Explorer settings 1 TTPs 12 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\CLSID = "{1FBA04EE-3024-11d2-8F1F-0000F87ABD16}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\ClsidExtension = "{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\ButtonText = "Chinese Navigation"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\MenuText = "Chinese Navigation"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\ButtonText = "ÖÐÎÄÉÏÍø"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\HotIcon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\04DFD9~1.DLL,204"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\MenuText = "ÖÐÎÄÉÏÍø"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\MenuStatusBar = "ÖÐÎÄÉÏÍøÉèÖÃ"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\Icon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\04DFD9~1.DLL,204"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\MenuStatusBar = "Chinese Navigation"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\Default Visible = "Yes"	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj\ = "CndForIE Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\ = "CdnForIE Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\04DFD9~1.DLL"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\04dfd99228ae3335ccf4c85649689788_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj.1\CLSID\ = "{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\VersionIndependentProgID\ = "CdnForIE.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj.1\ = "CndForIE Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\ProgID\ = "CndForIE.IEHlprObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\ = "CdnForIE 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\TypeLib\ = "{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CdnForIE.IEHlprObj\CurVer\ = "CndForIE.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5C3853CF-C7E0-4946-B3FA-1ABDB6F48108}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5C3853CD-C7E0-4946-B3FA-1ABDB6F48108}\TypeLib\ = "{5C3853CE-C7E0-4946-B3FA-1ABDB6F48108}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 3048	4880	regsvr32.exe	82
PID 4880 wrote to memory of 3048	4880	regsvr32.exe	82
PID 4880 wrote to memory of 3048	4880	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\04dfd99228ae3335ccf4c85649689788_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4880
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\04dfd99228ae3335ccf4c85649689788_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:3048

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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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads