df487c343e47e7f26b6bc29c0e335aa86d0199ac4e2fd904a34b24a1228657a5

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
19/06/2024, 20:38

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General

Target

00628626ece713c04b66f14e2a71ea30_JaffaCakes118.dll
Size

232KB
MD5

00628626ece713c04b66f14e2a71ea30
SHA1

8c13aeb3e8b852f83fff28f4c72fea583f740120
SHA256

df487c343e47e7f26b6bc29c0e335aa86d0199ac4e2fd904a34b24a1228657a5
SHA512

eed3c80ea853e47f01044d559818bdaf63e519b5a23586bd5462dcc90e9988106000fb3239b7ca0989863c8b66f432d4a8611b63a1c18f75f4b30c722e214586
SSDEEP

3072:gEevslqYfkv7v5WitR74FggZJp1n+cwYgGPMA3aGP3GfH5K9Le0ENgLixexSyW3F:K0jFNgQMJfkLrENXex+vJ8CpS+

Score

6^/10

adware 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\{AAB6C1A0-F3A4-4DAC-A922-F82E601E73A8}	regsvr32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{686488AF-13D5-9DDF-4FEF-9FB88698CFC1}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38}\webbrowser = "{AAB6C1A0-F3A4-4DAC-A922-F82E601E73A8}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{686488AF-13D5-9DDF-4FEF-9FB88698CFC1}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{686488AF-13D5-9DDF-4FEF-9FB88698CFC1}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AAB6C1A0-F3A4-4DAC-A922-F82E601E73A8}\ = "JavaSunSurf Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AAB6C1A0-F3A4-4DAC-A922-F82E601E73A8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\00628626ece713c04b66f14e2a71ea30_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38}\wversion = "4.0.9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{686488AF-13D5-9DDF-4FEF-9FB88698CFC1}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{AAB6C1A0-F3A4-4DAC-A922-F82E601E73A8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{686488AF-13D5-9DDF-4FEF-9FB88698CFC1}\InprocServer32\	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{AAB6C1A0-F3A4-4DAC-A922-F82E601E73A8}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AAB6C1A0-F3A4-4DAC-A922-F82E601E73A8}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 1916	1964	regsvr32.exe	28
PID 1964 wrote to memory of 1916	1964	regsvr32.exe	28
PID 1964 wrote to memory of 1916	1964	regsvr32.exe	28
PID 1964 wrote to memory of 1916	1964	regsvr32.exe	28
PID 1964 wrote to memory of 1916	1964	regsvr32.exe	28
PID 1964 wrote to memory of 1916	1964	regsvr32.exe	28
PID 1964 wrote to memory of 1916	1964	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\00628626ece713c04b66f14e2a71ea30_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\00628626ece713c04b66f14e2a71ea30_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1916

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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