84612354c477ea477b0c7d036d5c7cf64359cebfeb3446d044e128803439eb66

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2024 10:38

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General

Target

19d07e5466b8c64565ee0554d3e94013_JaffaCakes118.dll
Size

525KB
MD5

19d07e5466b8c64565ee0554d3e94013
SHA1

9fa2fecce829f516b398f2cfcb7b593ca0b9aadc
SHA256

84612354c477ea477b0c7d036d5c7cf64359cebfeb3446d044e128803439eb66
SHA512

0252fd85298f55fe6c1f462f90e926ea0cfc2269cbe0260ad6f709a2679417fc6eeb1a463a1a9b5a53754878df9167b3f23373e3d0731eb22abbeb2d1609f843
SSDEEP

6144:TFBTPWAM5KQqLvExfL1b+h2/+/EQGQdGQn6CmiKOG47zRR2:fPqvqbEtLsIcdlmiK/45R2

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{245D6A8C-9EAF-81B5-F217-55628DC7CC4C}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{245D6A8C-9EAF-81B5-F217-55628DC7CC4C}\NoExplorer = "1"	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{8F1F0E5E-D94A-01E0-B169-9117B5EEAABA}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe

Modifies registry class 15 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{245D6A8C-9EAF-81B5-F217-55628DC7CC4C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F1F0E5E-D94A-01E0-B169-9117B5EEAABA}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F1F0E5E-D94A-01E0-B169-9117B5EEAABA}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\19d07e5466b8c64565ee0554d3e94013_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{245D6A8C-9EAF-81B5-F217-55628DC7CC4C}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F1F0E5E-D94A-01E0-B169-9117B5EEAABA}\Implemented Categories\{00021493-0000-0000-C000-000000000046}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F1F0E5E-D94A-01E0-B169-9117B5EEAABA}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{245D6A8C-9EAF-81B5-F217-55628DC7CC4C}\ = "seekgadget search enhancer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{245D6A8C-9EAF-81B5-F217-55628DC7CC4C}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\19d07e5466b8c64565ee0554d3e94013_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F1F0E5E-D94A-01E0-B169-9117B5EEAABA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F1F0E5E-D94A-01E0-B169-9117B5EEAABA}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{245D6A8C-9EAF-81B5-F217-55628DC7CC4C}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F1F0E5E-D94A-01E0-B169-9117B5EEAABA}\ = "Search panel"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8F1F0E5E-D94A-01E0-B169-9117B5EEAABA}\Implemented Categories	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 2920 wrote to memory of 4420	2920	regsvr32.exe	regsvr32.exe
PID 2920 wrote to memory of 4420	2920	regsvr32.exe	regsvr32.exe
PID 2920 wrote to memory of 4420	2920	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\19d07e5466b8c64565ee0554d3e94013_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2920

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\19d07e5466b8c64565ee0554d3e94013_JaffaCakes118.dll
2⤵
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:4420

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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