32253cf7b3f32549f7fadb8b6fafac7d278e75583b658756c65e3c7d51b8c8b0

Analysis

max time kernel
133s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-08-2024 19:49

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General

Target

ac581e64b2e97f9fd6f9b3576926f0c4_JaffaCakes118.dll
Size

451KB
MD5

ac581e64b2e97f9fd6f9b3576926f0c4
SHA1

923817c9e658ea1cb0b86c9e1cb37b07958affd4
SHA256

32253cf7b3f32549f7fadb8b6fafac7d278e75583b658756c65e3c7d51b8c8b0
SHA512

8618fb632338d1957150daae003ab21ce575453b1ea3aca1152adcb8a30005957e586eab960463bfdb3b2a43d16f5305a41a05702fb67807bfe93edb8e3099b9
SSDEEP

12288:qA3D4CeJtEeeQFyjr12hb9oFqUYe5UGe:qA3leJtEpjmqQUYeG

Score

6^/10

adware discovery 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\{CF3E1903-AE0A-0B1B-B210-F46C7C0DC289}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{CF3E1903-AE0A-0B1B-B210-F46C7C0DC289}\NoExplorer = "1"	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{EE9F56A1-E878-DEB9-0D51-93DBF4055649}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\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\{EE9F56A1-E878-DEB9-0D51-93DBF4055649}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ac581e64b2e97f9fd6f9b3576926f0c4_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE9F56A1-E878-DEB9-0D51-93DBF4055649}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CF3E1903-AE0A-0B1B-B210-F46C7C0DC289}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CF3E1903-AE0A-0B1B-B210-F46C7C0DC289}\ = "mysidesearch search enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE9F56A1-E878-DEB9-0D51-93DBF4055649}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CF3E1903-AE0A-0B1B-B210-F46C7C0DC289}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CF3E1903-AE0A-0B1B-B210-F46C7C0DC289}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CF3E1903-AE0A-0B1B-B210-F46C7C0DC289}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ac581e64b2e97f9fd6f9b3576926f0c4_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE9F56A1-E878-DEB9-0D51-93DBF4055649}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE9F56A1-E878-DEB9-0D51-93DBF4055649}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE9F56A1-E878-DEB9-0D51-93DBF4055649}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE9F56A1-E878-DEB9-0D51-93DBF4055649}\ = "Search panel"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EE9F56A1-E878-DEB9-0D51-93DBF4055649}\Implemented Categories\{00021493-0000-0000-C000-000000000046}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4440 wrote to memory of 2864	4440	regsvr32.exe	85
PID 4440 wrote to memory of 2864	4440	regsvr32.exe	85
PID 4440 wrote to memory of 2864	4440	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ac581e64b2e97f9fd6f9b3576926f0c4_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4440
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ac581e64b2e97f9fd6f9b3576926f0c4_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:2864

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

System Location Discovery

T1614

System Language Discovery

T1614.001

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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