8a39b7ab56ec81e9a17785844c36b66e04f83caa3cb0ee6049bfba6e0bdf97fb

Analysis

max time kernel
92s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 10:34

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General

Target

1af6f1ad4c3c391f87162085eaeb6a39_JaffaCakes118.dll
Size

580KB
MD5

1af6f1ad4c3c391f87162085eaeb6a39
SHA1

b7d5d6ae574d75cbf5a4602ab6072b0e3c372bac
SHA256

8a39b7ab56ec81e9a17785844c36b66e04f83caa3cb0ee6049bfba6e0bdf97fb
SHA512

2ba075ed4c1291640efc63870e48c3671fa30216c44acf6c561cd905e98afc0364d4f0dc82d67b14de18532b88762a727034592a7e3910d575e6be9e651e5698
SSDEEP

12288:B12OkYXgzyZ5jxULgNRWp/+2IClb3opQyK0KY:B8lTyvxH2xVGQ50

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 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\{2D590BBA-4035-4ED7-94DF-F3CB3D91B871} regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{2D590BBA-4035-4ED7-94DF-F3CB3D91B871}	regsvr32.exe

Modifies registry class 11 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\1af6f1ad4c3c391f87162085eaeb6a39_JaffaCakes118.ExpTule\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2D590BBA-4035-4ED7-94DF-F3CB3D91B871}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2D590BBA-4035-4ED7-94DF-F3CB3D91B871}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2D590BBA-4035-4ED7-94DF-F3CB3D91B871}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2D590BBA-4035-4ED7-94DF-F3CB3D91B871}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1af6f1ad4c3c391f87162085eaeb6a39_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2D590BBA-4035-4ED7-94DF-F3CB3D91B871}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\1af6f1ad4c3c391f87162085eaeb6a39_JaffaCakes118.ExpTule	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\1af6f1ad4c3c391f87162085eaeb6a39_JaffaCakes118.ExpTule\ = "VdExplorer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2D590BBA-4035-4ED7-94DF-F3CB3D91B871}\ProgID\ = "1af6f1ad4c3c391f87162085eaeb6a39_JaffaCakes118.ExpTule"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2D590BBA-4035-4ED7-94DF-F3CB3D91B871}\ = "VdExplorer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\1af6f1ad4c3c391f87162085eaeb6a39_JaffaCakes118.ExpTule\Clsid\ = "{2D590BBA-4035-4ED7-94DF-F3CB3D91B871}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 4232 wrote to memory of 1020	4232	regsvr32.exe	regsvr32.exe
PID 4232 wrote to memory of 1020	4232	regsvr32.exe	regsvr32.exe
PID 4232 wrote to memory of 1020	4232	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1af6f1ad4c3c391f87162085eaeb6a39_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4232

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\1af6f1ad4c3c391f87162085eaeb6a39_JaffaCakes118.dll
2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1020

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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