16ed339a7573522ab91e964c0801a8dd650ae1878583110bfd0ba9d93286154e

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2024, 11:34

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General

Target
f0f5647d0c160b28dd0cc38fcdc2a7fe_JaffaCakes118.dll
Size 142KB
Sample240415-npg6bsdc82
SHA256 16ed339a7573522ab91e964c0801a8dd650ae1878583110bfd0ba9d93286154e
MD5 f0f5647d0c160b28dd0cc38fcdc2a7fe
SHA1 937e202a59bf2481068c91630973a0a0575a8045
SHA512 6ff591d4b758c6dfdcb0c6de0f32d5f41367cca19a0a1221cc3523e54bd18c7d99d53397003712ae5abe0062d37a0948e838fe1db96fe3b3387df351d74dc821
SSDEEP 3072:qMuGTo85QBSxFnKeyVC9IMOdumASTK4GQhXQ:915TxtJr/EBBXQ
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware 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\{2e22e1c9-9ddb-40da-85c7-0753217fff76}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2e22e1c9-9ddb-40da-85c7-0753217fff76}\ = "Razor Web"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2e22e1c9-9ddb-40da-85c7-0753217fff76}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 34 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CB139E9D-B946-4AD9-BA55-C992101CEA7C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2e22e1c9-9ddb-40da-85c7-0753217fff76}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CCAD7AF4-2975-4BFD-96A0-15F67DB62A78}\1.0\ = "RazorWebIEClientLib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CB139E9D-B946-4AD9-BA55-C992101CEA7C}\ = "IRazorWebBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CB139E9D-B946-4AD9-BA55-C992101CEA7C}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CB139E9D-B946-4AD9-BA55-C992101CEA7C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CB139E9D-B946-4AD9-BA55-C992101CEA7C}\TypeLib\ = "{CCAD7AF4-2975-4BFD-96A0-15F67DB62A78}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2e22e1c9-9ddb-40da-85c7-0753217fff76}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2e22e1c9-9ddb-40da-85c7-0753217fff76}\Version\ = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CB139E9D-B946-4AD9-BA55-C992101CEA7C}\TypeLib\ = "{CCAD7AF4-2975-4BFD-96A0-15F67DB62A78}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CB139E9D-B946-4AD9-BA55-C992101CEA7C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2e22e1c9-9ddb-40da-85c7-0753217fff76}\ = "Razor Web"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CCAD7AF4-2975-4BFD-96A0-15F67DB62A78}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CCAD7AF4-2975-4BFD-96A0-15F67DB62A78}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CCAD7AF4-2975-4BFD-96A0-15F67DB62A78}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CB139E9D-B946-4AD9-BA55-C992101CEA7C}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2e22e1c9-9ddb-40da-85c7-0753217fff76}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CCAD7AF4-2975-4BFD-96A0-15F67DB62A78}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CB139E9D-B946-4AD9-BA55-C992101CEA7C}\ = "IRazorWebBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CB139E9D-B946-4AD9-BA55-C992101CEA7C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CB139E9D-B946-4AD9-BA55-C992101CEA7C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2e22e1c9-9ddb-40da-85c7-0753217fff76}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f0f5647d0c160b28dd0cc38fcdc2a7fe_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CCAD7AF4-2975-4BFD-96A0-15F67DB62A78}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CB139E9D-B946-4AD9-BA55-C992101CEA7C}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2e22e1c9-9ddb-40da-85c7-0753217fff76}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CCAD7AF4-2975-4BFD-96A0-15F67DB62A78}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CCAD7AF4-2975-4BFD-96A0-15F67DB62A78}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f0f5647d0c160b28dd0cc38fcdc2a7fe_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CCAD7AF4-2975-4BFD-96A0-15F67DB62A78}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CB139E9D-B946-4AD9-BA55-C992101CEA7C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2e22e1c9-9ddb-40da-85c7-0753217fff76}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2e22e1c9-9ddb-40da-85c7-0753217fff76}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2e22e1c9-9ddb-40da-85c7-0753217fff76}\TypeLib\ = "{ccad7af4-2975-4bfd-96a0-15f67db62a78}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CCAD7AF4-2975-4BFD-96A0-15F67DB62A78}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CB139E9D-B946-4AD9-BA55-C992101CEA7C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4160 wrote to memory of 532	4160	regsvr32.exe	84
PID 4160 wrote to memory of 532	4160	regsvr32.exe	84
PID 4160 wrote to memory of 532	4160	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f0f5647d0c160b28dd0cc38fcdc2a7fe_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4160
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f0f5647d0c160b28dd0cc38fcdc2a7fe_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:532

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

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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