162ef6a2d07738551a615cae8f55fe3f4d6af17d8b5c29be81a50237de1cc651

Analysis

max time kernel
130s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-06-2024 10:43

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General

Target

8a3a11ef0db088456c09b02bae8632c9_JaffaCakes118.dll
Size

142KB
MD5

8a3a11ef0db088456c09b02bae8632c9
SHA1

d331fd70a8e8d11db652a3ffdc1dc3420be0eb30
SHA256

162ef6a2d07738551a615cae8f55fe3f4d6af17d8b5c29be81a50237de1cc651
SHA512

99e1bc8f06ba181279bebc3f299edc4ae2746c69b2258778deea0635fbcb9b2c59c9f153bfbb52f9a28e034e17d4ebe12bcafdd93169e671bef62620329153c1
SSDEEP

3072:Y2JctkFaI9CpMZsSXsqAb5xZzyXflQVTKkmXQd:YKNalmRsq7y9Pd

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\{ff0021ad-2cc3-4e0d-8e3c-b4153a64a495}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ff0021ad-2cc3-4e0d-8e3c-b4153a64a495}\ = "Internet Program"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{ff0021ad-2cc3-4e0d-8e3c-b4153a64a495}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 34 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff0021ad-2cc3-4e0d-8e3c-b4153a64a495}\ = "Internet Program"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff0021ad-2cc3-4e0d-8e3c-b4153a64a495}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff0021ad-2cc3-4e0d-8e3c-b4153a64a495}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff0021ad-2cc3-4e0d-8e3c-b4153a64a495}\TypeLib\ = "{91462ced-876d-4a7d-8528-2d7b463463f7}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7251A919-9E21-4D7D-BA7B-18E31DFA83C0}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff0021ad-2cc3-4e0d-8e3c-b4153a64a495}\Version\ = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7251A919-9E21-4D7D-BA7B-18E31DFA83C0}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7251A919-9E21-4D7D-BA7B-18E31DFA83C0}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7251A919-9E21-4D7D-BA7B-18E31DFA83C0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7251A919-9E21-4D7D-BA7B-18E31DFA83C0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7251A919-9E21-4D7D-BA7B-18E31DFA83C0}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff0021ad-2cc3-4e0d-8e3c-b4153a64a495}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8a3a11ef0db088456c09b02bae8632c9_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff0021ad-2cc3-4e0d-8e3c-b4153a64a495}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{91462CED-876D-4A7D-8528-2D7B463463F7}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7251A919-9E21-4D7D-BA7B-18E31DFA83C0}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7251A919-9E21-4D7D-BA7B-18E31DFA83C0}\ = "IInternetProgramBHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7251A919-9E21-4D7D-BA7B-18E31DFA83C0}\ = "IInternetProgramBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7251A919-9E21-4D7D-BA7B-18E31DFA83C0}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff0021ad-2cc3-4e0d-8e3c-b4153a64a495}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff0021ad-2cc3-4e0d-8e3c-b4153a64a495}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{91462CED-876D-4A7D-8528-2D7B463463F7}\1.0\ = "InternetProgramIEClientLib"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{91462CED-876D-4A7D-8528-2D7B463463F7}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{91462CED-876D-4A7D-8528-2D7B463463F7}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{ff0021ad-2cc3-4e0d-8e3c-b4153a64a495}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{91462CED-876D-4A7D-8528-2D7B463463F7}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{91462CED-876D-4A7D-8528-2D7B463463F7}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{91462CED-876D-4A7D-8528-2D7B463463F7}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{91462CED-876D-4A7D-8528-2D7B463463F7}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{91462CED-876D-4A7D-8528-2D7B463463F7}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8a3a11ef0db088456c09b02bae8632c9_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7251A919-9E21-4D7D-BA7B-18E31DFA83C0}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7251A919-9E21-4D7D-BA7B-18E31DFA83C0}\TypeLib\ = "{91462CED-876D-4A7D-8528-2D7B463463F7}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{91462CED-876D-4A7D-8528-2D7B463463F7}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7251A919-9E21-4D7D-BA7B-18E31DFA83C0}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7251A919-9E21-4D7D-BA7B-18E31DFA83C0}\TypeLib\ = "{91462CED-876D-4A7D-8528-2D7B463463F7}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 3988	1736	regsvr32.exe	82
PID 1736 wrote to memory of 3988	1736	regsvr32.exe	82
PID 1736 wrote to memory of 3988	1736	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8a3a11ef0db088456c09b02bae8632c9_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8a3a11ef0db088456c09b02bae8632c9_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3988

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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