3b7260836ad0019fa02d90e699c4a6869b902064011ddcbbd8b79e9394124c1c

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
04/07/2024, 08:16

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General

Target

253e874dc81fb8122726c8b7ed7db209_JaffaCakes118.dll
Size

172KB
MD5

253e874dc81fb8122726c8b7ed7db209
SHA1

6ca713b26e1e5d6a419796d883593922c19e9120
SHA256

3b7260836ad0019fa02d90e699c4a6869b902064011ddcbbd8b79e9394124c1c
SHA512

2cb4c4d546dcd14ec62e179ef77bd67cfb43f0489593875b31a326861bc217a274265b351c9c247d602eaf06efa2a0b890fe03229ccb927ce68a904105688894
SSDEEP

3072:1Twb9GfvkdPmyaDMjNKpWqnjwsYIBj1N86AQpqpcIVjEsxXD:1TYGfvkAyaQjcpL3YI/yQpqVVd

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 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	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{E90045AC-0C05-330A-A44A-91F2CAD42A5C}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{E90045AC-0C05-330A-A44A-91F2CAD42A5C}\IExplore = "1"	regsvr32.exe

Modifies registry class 29 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E90045AC-0C05-330A-A44A-91F2CAD42A5C}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9E6F0B8-21DB-37E3-BC27-AE5B9A81E2DC}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3F6675D9-1697-3A73-B05F-C6DFB5CC6428}\TypeLib\ = "{B9E6F0B8-21DB-37E3-BC27-AE5B9A81E2DC}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E90045AC-0C05-330A-A44A-91F2CAD42A5C}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9E6F0B8-21DB-37E3-BC27-AE5B9A81E2DC}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9E6F0B8-21DB-37E3-BC27-AE5B9A81E2DC}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3F6675D9-1697-3A73-B05F-C6DFB5CC6428}\ = "IDOMPeek"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3F6675D9-1697-3A73-B05F-C6DFB5CC6428}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3F6675D9-1697-3A73-B05F-C6DFB5CC6428}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3F6675D9-1697-3A73-B05F-C6DFB5CC6428}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E90045AC-0C05-330A-A44A-91F2CAD42A5C}\ = "D"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3F6675D9-1697-3A73-B05F-C6DFB5CC6428}\TypeLib\ = "{B9E6F0B8-21DB-37E3-BC27-AE5B9A81E2DC}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3F6675D9-1697-3A73-B05F-C6DFB5CC6428}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9E6F0B8-21DB-37E3-BC27-AE5B9A81E2DC}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9E6F0B8-21DB-37E3-BC27-AE5B9A81E2DC}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\253e874dc81fb8122726c8b7ed7db209_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9E6F0B8-21DB-37E3-BC27-AE5B9A81E2DC}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3F6675D9-1697-3A73-B05F-C6DFB5CC6428}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3F6675D9-1697-3A73-B05F-C6DFB5CC6428}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9E6F0B8-21DB-37E3-BC27-AE5B9A81E2DC}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9E6F0B8-21DB-37E3-BC27-AE5B9A81E2DC}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3F6675D9-1697-3A73-B05F-C6DFB5CC6428}\ = "IDOMPeek"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3F6675D9-1697-3A73-B05F-C6DFB5CC6428}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9E6F0B8-21DB-37E3-BC27-AE5B9A81E2DC}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3F6675D9-1697-3A73-B05F-C6DFB5CC6428}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E90045AC-0C05-330A-A44A-91F2CAD42A5C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\253e874dc81fb8122726c8b7ed7db209_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B9E6F0B8-21DB-37E3-BC27-AE5B9A81E2DC}\1.0\ = "LIB"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3F6675D9-1697-3A73-B05F-C6DFB5CC6428}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3F6675D9-1697-3A73-B05F-C6DFB5CC6428}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E90045AC-0C05-330A-A44A-91F2CAD42A5C}	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2100	2084	regsvr32.exe	28
PID 2084 wrote to memory of 2100	2084	regsvr32.exe	28
PID 2084 wrote to memory of 2100	2084	regsvr32.exe	28
PID 2084 wrote to memory of 2100	2084	regsvr32.exe	28
PID 2084 wrote to memory of 2100	2084	regsvr32.exe	28
PID 2084 wrote to memory of 2100	2084	regsvr32.exe	28
PID 2084 wrote to memory of 2100	2084	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\253e874dc81fb8122726c8b7ed7db209_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\253e874dc81fb8122726c8b7ed7db209_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2100

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

Windows 7 deprecation

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