b76e2c7b31dc7642ac5efd6b4344ea31743d130556b272ac27d02a555b22e97e

Analysis

max time kernel
94s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
14/07/2024, 08:38

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General

Target

4512e9cf3e25fd48e2245f4f21239301_JaffaCakes118.dll
Size

168KB
MD5

4512e9cf3e25fd48e2245f4f21239301
SHA1

afd25c51e94b4e2ed2907faa576b99fab9255174
SHA256

b76e2c7b31dc7642ac5efd6b4344ea31743d130556b272ac27d02a555b22e97e
SHA512

e827dbd3b2090d6ed444754f1e86dce8109d056da3386417fb6f3410491cfa8f210c38c2b5bb514642ec0c82a9729f9cfd7f61e81fa9f418681eef9c6c3b536f
SSDEEP

3072:9Z3iMKSp0pV7qNVEyW8XMgl+o25T0wGto5lLZFMqQ8S9bVTrzNvp0:/S8+pV7MuyWPP1Otb5zN6

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\{46A35925-FC76-4647-8355-692142C079AF}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{46A35925-FC76-4647-8355-692142C079AF}\	regsvr32.exe

Modifies registry class 47 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\AppID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4512e9cf3e25fd48e2245f4f21239301_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\ = "IMsnPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\ = "IMsnPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer.1\CLSID\ = "{46A35925-FC76-4647-8355-692142C079AF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4512e9cf3e25fd48e2245f4f21239301_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\ = "CMsnPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer\ = "CMsnPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer\CLSID\ = "{46A35925-FC76-4647-8355-692142C079AF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer\CurVer\ = "BHO.MsnPlayer.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\TypeLib\ = "{B38FF7EF-13A6-4FAD-878F-73F280B31691}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\TypeLib\ = "{B38FF7EF-13A6-4FAD-878F-73F280B31691}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\TypeLib\ = "{B38FF7EF-13A6-4FAD-878F-73F280B31691}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}\1.0\ = "BHO 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer.1\ = "CMsnPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\ProgID\ = "BHO.MsnPlayer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\VersionIndependentProgID\ = "BHO.MsnPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{46A35925-FC76-4647-8355-692142C079AF}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B38FF7EF-13A6-4FAD-878F-73F280B31691}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{28ED4B1F-7900-4283-8EEC-607C777DDDA5}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 3996	1740	regsvr32.exe	83
PID 1740 wrote to memory of 3996	1740	regsvr32.exe	83
PID 1740 wrote to memory of 3996	1740	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4512e9cf3e25fd48e2245f4f21239301_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\4512e9cf3e25fd48e2245f4f21239301_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3996

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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Downloads