0aefcfff3199d3697079770e6656810df128b0571c079bc3a68bf76c076e50e1

Analysis

max time kernel
139s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
15-07-2024 21:55

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General

Target

4b9211482c526793bad4e1a60153cbca_JaffaCakes118.dll
Size

453KB
MD5

4b9211482c526793bad4e1a60153cbca
SHA1

c576701e7f136bfea0aca0511441f941c441f64f
SHA256

0aefcfff3199d3697079770e6656810df128b0571c079bc3a68bf76c076e50e1
SHA512

a24f152bbe35bf046b1d37ca50a06892c6b9c9657927c8c33b8e51c0a84bbd3f4b3899f2e0203fd34c22077e14c7b94fec7f002d138329d1c11f75e73990e79a
SSDEEP

12288:8sY35UmPLLdCGQZWzH0CS71XAyzYeBfWw:8s6UULL8GQZSHlqBfzYeAw

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\{620BBECC-0306-3359-3457-CBBA6AF5479D}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{620BBECC-0306-3359-3457-CBBA6AF5479D}\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-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{FBC89F54-3051-B1F8-0C7E-DEA1D9B3DF78}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBC89F54-3051-B1F8-0C7E-DEA1D9B3DF78}\ = "Search panel"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBC89F54-3051-B1F8-0C7E-DEA1D9B3DF78}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBC89F54-3051-B1F8-0C7E-DEA1D9B3DF78}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBC89F54-3051-B1F8-0C7E-DEA1D9B3DF78}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{620BBECC-0306-3359-3457-CBBA6AF5479D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{620BBECC-0306-3359-3457-CBBA6AF5479D}\ = "mysidesearch search enhancer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{620BBECC-0306-3359-3457-CBBA6AF5479D}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBC89F54-3051-B1F8-0C7E-DEA1D9B3DF78}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBC89F54-3051-B1F8-0C7E-DEA1D9B3DF78}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4b9211482c526793bad4e1a60153cbca_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBC89F54-3051-B1F8-0C7E-DEA1D9B3DF78}\Implemented Categories\{00021493-0000-0000-C000-000000000046}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{620BBECC-0306-3359-3457-CBBA6AF5479D}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{620BBECC-0306-3359-3457-CBBA6AF5479D}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4b9211482c526793bad4e1a60153cbca_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBC89F54-3051-B1F8-0C7E-DEA1D9B3DF78}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 2084	3688	regsvr32.exe	83
PID 3688 wrote to memory of 2084	3688	regsvr32.exe	83
PID 3688 wrote to memory of 2084	3688	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4b9211482c526793bad4e1a60153cbca_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3688
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\4b9211482c526793bad4e1a60153cbca_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:2084

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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