a07638a0f7e3c82f69f505370b1fdf83d44ae4128d2f97ed77543f6a94e9b772

Analysis

max time kernel
93s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-10-2024 07:16

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General

Target

125cf5504950b8e0f453ffd41af41147_JaffaCakes118.dll
Size

6.1MB
MD5

125cf5504950b8e0f453ffd41af41147
SHA1

bc5831fd962e17b0be308af604f59b9c40bf1453
SHA256

a07638a0f7e3c82f69f505370b1fdf83d44ae4128d2f97ed77543f6a94e9b772
SHA512

9d8da7351c154f7bcdefd0fd3fd1a19276cb58c70bcab34f3ae24ca2586a33d6dbffd950a0b1f33b5b14d63201c6ca4d63b44ff71505cdab84c3e2e1f1441fb3
SSDEEP

196608:9Ou9reEVuVQ2u89/QGCSyubSAVWzou6LIvsXto:9R9zVuVxFlCSyxAczqLOsXt

Score

6^/10

adware discovery 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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{A70C038D-F947-4A27-B259-FD63EF2DF4CD}	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 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A70C038D-F947-4A27-B259-FD63EF2DF4CD}\ = "Serviço de Compartilhamento de Rede do Windows Media Player"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A70C038D-F947-4A27-B259-FD63EF2DF4CD}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A70C038D-F947-4A27-B259-FD63EF2DF4CD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\125cf5504950b8e0f453ffd41af41147_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\125cf5504950b8e0f453ffd41af41147_JaffaCakes118.WMPNetworkSvc	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\125cf5504950b8e0f453ffd41af41147_JaffaCakes118.WMPNetworkSvc\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A70C038D-F947-4A27-B259-FD63EF2DF4CD}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A70C038D-F947-4A27-B259-FD63EF2DF4CD}\ProgID\ = "125cf5504950b8e0f453ffd41af41147_JaffaCakes118.WMPNetworkSvc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A70C038D-F947-4A27-B259-FD63EF2DF4CD}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A70C038D-F947-4A27-B259-FD63EF2DF4CD}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\125cf5504950b8e0f453ffd41af41147_JaffaCakes118.WMPNetworkSvc\ = "Serviço de Compartilhamento de Rede do Windows Media Player"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\125cf5504950b8e0f453ffd41af41147_JaffaCakes118.WMPNetworkSvc\Clsid\ = "{A70C038D-F947-4A27-B259-FD63EF2DF4CD}"	regsvr32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2652	regsvr32.exe
2652	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 2652	3164	regsvr32.exe	82
PID 3164 wrote to memory of 2652	3164	regsvr32.exe	82
PID 3164 wrote to memory of 2652	3164	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\125cf5504950b8e0f453ffd41af41147_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3164
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\125cf5504950b8e0f453ffd41af41147_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:2652

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/2652-1-0x0000000002780000-0x0000000003413000-memory.dmp

Filesize
12.6MB

Download
memory/2652-2-0x0000000002780000-0x0000000003413000-memory.dmp

Filesize
12.6MB

Download
memory/2652-3-0x000000000334B000-0x0000000003413000-memory.dmp

Filesize
800KB

Download