a8184a20e93df1e158ccdf289b36e275a19741b59ff48ba3c4d44588622cbabb

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/08/2024, 15:38

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General

Target

96b117c91c55e8b5be6db75a5fcf334b_JaffaCakes118.dll
Size

9KB
MD5

96b117c91c55e8b5be6db75a5fcf334b
SHA1

e249330adf3d0f003b14715a2b2eeb57e8a923c7
SHA256

a8184a20e93df1e158ccdf289b36e275a19741b59ff48ba3c4d44588622cbabb
SHA512

844f51e07422657819283e7fd34d2f537a76ac36cae7dd9f1cbe384fe4974ee9d9f91b9682d935ca7391e4b9f6c4797b3b8105ff5245b0115a8cd90747817f7b
SSDEEP

192:kKPEVE1Dw97iIER/YabfF2XkFqAz7nAwVA+qyKQaLLmxpH0jTNJ4iIw:kKPqJi5RA47nA6A+xKQV8jTL9

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 deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{C5BF49A2-94F3-42BD-F434-3604812C897D}	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 registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5BF49A2-94F3-42BD-F434-3604812C897D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5BF49A2-94F3-42BD-F434-3604812C897D}\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\96b117c91c55e8b5be6db75a5fcf334b_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5BF49A2-94F3-42BD-F434-3604812C897D}\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5BF49A2-94F3-42BD-F434-3604812C897D}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5BF49A2-94F3-42BD-F434-3604812C897D}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\96b117c91c55e8b5be6db75a5fcf334b_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5BF49A2-94F3-42BD-F434-3604812C897D}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3080	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4064 wrote to memory of 3080	4064	regsvr32.exe	84
PID 4064 wrote to memory of 3080	4064	regsvr32.exe	84
PID 4064 wrote to memory of 3080	4064	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\96b117c91c55e8b5be6db75a5fcf334b_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4064
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\96b117c91c55e8b5be6db75a5fcf334b_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:3080

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

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Downloads

memory/3080-0-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download
memory/3080-1-0x0000000010003000-0x000000001000A000-memory.dmp

Filesize
28KB

Download
memory/3080-2-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download