4a827e715d922daf3fb0801adfb943eafb2d9024786869c0b4ee5f0818eb28b6

Analysis

max time kernel
138s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 11:29

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General

Target

a25bcca4cc8ca5b61afef4c9fdf98bc0_JaffaCakes118.dll
Size

28KB
MD5

a25bcca4cc8ca5b61afef4c9fdf98bc0
SHA1

984ee45b69d026e8b2f426fecc6658a3083bed85
SHA256

4a827e715d922daf3fb0801adfb943eafb2d9024786869c0b4ee5f0818eb28b6
SHA512

ad98427435148e0448a9cd77a897befbf905988c978523a46eaa8ba028dc980470eaad75533d4391672d0ae19b741161d29fb19d9c34366da1afa8ccb71eadff
SSDEEP

384:LH8I9JzbUAb3svW1jLqMY8XvFBarpkfHsOAW4o+k:HVQ4k8XvzaFkEOAs+

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\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\ = "WEB·´²¡¶¾±£»¤"	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 46 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\TypeLib\ = "{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a25bcca4cc8ca5b61afef4c9fdf98bc0_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}\1.0\ = "CkBHO 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\VersionIndependentProgID\ = "CkBHO.BHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO\ = "WEB·´²¡¶¾±£»¤"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\TypeLib\ = "{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a25bcca4cc8ca5b61afef4c9fdf98bc0_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\TypeLib\ = "{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO\CLSID\ = "{8744DB13-A027-4F73-9F16-DBF9AE1563FD}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\ = "WEB·´²¡¶¾±£»¤"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO\CurVer\ = "CkBHO.BHO.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\ = "IBHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\ = "IBHO"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO.1\ = "WEB·´²¡¶¾±£»¤"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A913C07A-7039-466A-B0DC-4E24E11A6EDA}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CkBHO.BHO.1\CLSID\ = "{8744DB13-A027-4F73-9F16-DBF9AE1563FD}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8744DB13-A027-4F73-9F16-DBF9AE1563FD}\ProgID\ = "CkBHO.BHO.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D38FD043-7D0F-48DD-8E99-3F7FBDE485B5}\1.0\0	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 3632	2800	regsvr32.exe	84
PID 2800 wrote to memory of 3632	2800	regsvr32.exe	84
PID 2800 wrote to memory of 3632	2800	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a25bcca4cc8ca5b61afef4c9fdf98bc0_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a25bcca4cc8ca5b61afef4c9fdf98bc0_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3632

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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