a9253b7a6ce5f0fb96cf0ad7d619849e0c8c5e21826580443fc6475ed158d1f5

Analysis

max time kernel
140s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/08/2024, 04:09

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General

Target

8d42ff035b3f1dfebd2d3b001bf892c6_JaffaCakes118.dll
Size

139KB
MD5

8d42ff035b3f1dfebd2d3b001bf892c6
SHA1

7950dc91554cc22a826cff0774cb9c88838133bf
SHA256

a9253b7a6ce5f0fb96cf0ad7d619849e0c8c5e21826580443fc6475ed158d1f5
SHA512

39272bb33f6d711cc045e6126aa4b6e904d5934a442e4d804898ce45fa53c9262b1a7450d1de537643440ee19f46de9ac304085b29b1a87116850c6ed5e0b7a5
SSDEEP

3072:2WBhCAYsxYDoLHD2VXShgv9cmt+6a5Cxb:503IjMSY5U6N

Score

6^/10

adware discovery stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 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 (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\NoExplorer = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\ = "RivalGaming Games"	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 60 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RivalGaming.Module.1\CLSID\ = "{26D675AC-D925-4bbf-A720-62C2AA4A81EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{275DA4CE-9717-4DA7-B19B-490CB937718F}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{275DA4CE-9717-4DA7-B19B-490CB937718F}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\ = "IModule"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RivalGaming.Module.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RivalGaming.Module.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\TypeLib\ = "{275DA4CE-9717-4DA7-B19B-490CB937718F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\TypeLib\ = "{275DA4CE-9717-4DA7-B19B-490CB937718F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RivalGaming.Module.1\ = "RivalGaming Games"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\TypeLib\ = "{275DA4CE-9717-4DA7-B19B-490CB937718F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RivalGaming.Module\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\VersionIndependentProgID\ = "RivalGaming.Module"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8d42ff035b3f1dfebd2d3b001bf892c6_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RivalGaming.Module\CurVer\ = "RivalGaming.Module.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{275DA4CE-9717-4DA7-B19B-490CB937718F}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\TypeLib\ = "{275DA4CE-9717-4DA7-B19B-490CB937718F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\TypeLib\ = "{275DA4CE-9717-4da7-B19B-490CB937718F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{275DA4CE-9717-4DA7-B19B-490CB937718F}\1.0\ = "RivalGaming Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{275DA4CE-9717-4DA7-B19B-490CB937718F}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RivalGaming.Module\CLSID\ = "{26D675AC-D925-4bbf-A720-62C2AA4A81EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{275DA4CE-9717-4DA7-B19B-490CB937718F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RivalGaming.Module	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{275DA4CE-9717-4DA7-B19B-490CB937718F}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\ = "_IModuleEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\ = "RivalGaming Games"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{275DA4CE-9717-4DA7-B19B-490CB937718F}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{275DA4CE-9717-4DA7-B19B-490CB937718F}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8d42ff035b3f1dfebd2d3b001bf892c6_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RivalGaming.Module\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\ProgID\ = "RivalGaming.Module.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\ = "IModule"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{275DA4CE-9717-4DA7-B19B-490CB937718F}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\ = "_IModuleEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RivalGaming.Module\ = "RivalGaming Games"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4476 wrote to memory of 2304	4476	regsvr32.exe	84
PID 4476 wrote to memory of 2304	4476	regsvr32.exe	84
PID 4476 wrote to memory of 2304	4476	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8d42ff035b3f1dfebd2d3b001bf892c6_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4476
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8d42ff035b3f1dfebd2d3b001bf892c6_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2304

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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