a5549bc1dbc21c4faa9b840cc90ad55ca534fe0bfc1bacaa64410db330766246

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2024, 22:44

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General

Target
ee83669b2f7225820ed87472e571edea_JaffaCakes118.dll
Size 563KB
Sample240411-2n3yasff77
SHA256 a5549bc1dbc21c4faa9b840cc90ad55ca534fe0bfc1bacaa64410db330766246
MD5 ee83669b2f7225820ed87472e571edea
SHA1 28c8dc6d466c7c99b111e8e89e85a8502ad3a8f6
SHA512 32139e32ae16b651b79252c960aeff27a6fe8492d47c21cff2efc59a3659fb66661a6b1c2ad864def9e0d919f10f2b430d020e4809e5e407fdd0691abbe82310
SSDEEP 6144:AZke9o+Sfm+NDFpM5Bk0c4anqBAZ15ec6FAiJ5o3:APbSfbN/M5BkDTZ15B6H5o3
MD5 SHA1 SHA512 SSDEEP

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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5B73E989-221D-7DDD-DFAA-1A55FF5F4BDC}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5B73E989-221D-7DDD-DFAA-1A55FF5F4BDC}\NoExplorer = "1"	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{734C63B5-F241-BD80-5C98-66613E17A272}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{734C63B5-F241-BD80-5C98-66613E17A272}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{734C63B5-F241-BD80-5C98-66613E17A272}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B73E989-221D-7DDD-DFAA-1A55FF5F4BDC}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B73E989-221D-7DDD-DFAA-1A55FF5F4BDC}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ee83669b2f7225820ed87472e571edea_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{734C63B5-F241-BD80-5C98-66613E17A272}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B73E989-221D-7DDD-DFAA-1A55FF5F4BDC}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{734C63B5-F241-BD80-5C98-66613E17A272}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{734C63B5-F241-BD80-5C98-66613E17A272}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ee83669b2f7225820ed87472e571edea_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{734C63B5-F241-BD80-5C98-66613E17A272}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B73E989-221D-7DDD-DFAA-1A55FF5F4BDC}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B73E989-221D-7DDD-DFAA-1A55FF5F4BDC}\ = "seekgadget search enhancer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{734C63B5-F241-BD80-5C98-66613E17A272}\ = "Search panel"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{734C63B5-F241-BD80-5C98-66613E17A272}\Implemented Categories\{00021493-0000-0000-C000-000000000046}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3388 wrote to memory of 4508	3388	regsvr32.exe	85
PID 3388 wrote to memory of 4508	3388	regsvr32.exe	85
PID 3388 wrote to memory of 4508	3388	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ee83669b2f7225820ed87472e571edea_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3388
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ee83669b2f7225820ed87472e571edea_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:4508

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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