b81b4fea6863a2f614f6773c9f1deec62810afdc4f0fcd2b8777a36cdb4f9e40

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 07:24

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General

Target

3e8a56ef115fa92029607ad22c5c3c36_JaffaCakes118.dll
Size

127KB
MD5

3e8a56ef115fa92029607ad22c5c3c36
SHA1

c74cd07eeac5e2b60d6d735ad483c0b868ee42ce
SHA256

b81b4fea6863a2f614f6773c9f1deec62810afdc4f0fcd2b8777a36cdb4f9e40
SHA512

f33d115da4dbfa7b6f2f7f79ea9b5bfcf1482fb8a1d52e0d9c6e528e4be554181ea7441394ce8b4e3766d82c227ec8f6e217214c932c434f8d13f10a22967b72
SSDEEP

3072:VHwaqqIuBdXpKSrzakRCUrIFWAr5QCRa:l5Iu7X7fX9++6

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
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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\NoExplorer = "1"	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\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	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\TypeLib\{275DA4CE-9717-4DA7-B19B-490CB937718F}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3e8a56ef115fa92029607ad22c5c3c36_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RivalGaming.Module\ = "RivalGaming Games"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RivalGaming.Module.1\ = "RivalGaming Games"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RivalGaming.Module\CLSID\ = "{26D675AC-D925-4bbf-A720-62C2AA4A81EB}"	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\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\ = "_IModuleEvents"	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\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RivalGaming.Module.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{275DA4CE-9717-4DA7-B19B-490CB937718F}\1.0	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\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\TypeLib\ = "{275DA4CE-9717-4DA7-B19B-490CB937718F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\InprocServer32	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\Wow6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\TypeLib\ = "{275DA4CE-9717-4da7-B19B-490CB937718F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{275DA4CE-9717-4DA7-B19B-490CB937718F}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\ProxyStubClsid32	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\Wow6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RivalGaming.Module.1\CLSID	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\ThreadingModel = "Apartment"	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\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}\TypeLib\ = "{275DA4CE-9717-4DA7-B19B-490CB937718F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RivalGaming.Module\CLSID	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}	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\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\TypeLib	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.1\CLSID\ = "{26D675AC-D925-4bbf-A720-62C2AA4A81EB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\ProgID\ = "RivalGaming.Module.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{275DA4CE-9717-4DA7-B19B-490CB937718F}\1.0\ = "RivalGaming Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\ = "RivalGaming Games"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\RivalGaming.Module\CurVer\ = "RivalGaming.Module.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\TypeLib\Version = "1.0"	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\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\\3e8a56ef115fa92029607ad22c5c3c36_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\Programmable	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\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\TypeLib	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\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26D675AC-D925-4bbf-A720-62C2AA4A81EB}\TypeLib	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F03DA033-A35C-4F66-8849-5F68A181F632}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{DECB1BC9-7B19-411B-85B7-2B9FF33E2BE7}\TypeLib\ = "{275DA4CE-9717-4DA7-B19B-490CB937718F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\RivalGaming.Module\CurVer	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 2296	876	regsvr32.exe	31
PID 876 wrote to memory of 2296	876	regsvr32.exe	31
PID 876 wrote to memory of 2296	876	regsvr32.exe	31
PID 876 wrote to memory of 2296	876	regsvr32.exe	31
PID 876 wrote to memory of 2296	876	regsvr32.exe	31
PID 876 wrote to memory of 2296	876	regsvr32.exe	31
PID 876 wrote to memory of 2296	876	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3e8a56ef115fa92029607ad22c5c3c36_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:876
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3e8a56ef115fa92029607ad22c5c3c36_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2296

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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