2f1697d39bb479cb7cb92a6c88725e0e5efc7aa9af91f27e82adb5cd1dbedd7e

Analysis

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

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
20/06/2024, 09:56

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General

Target

04ef9b72f7a025d16472556b7d58397e_JaffaCakes118.dll
Size

232KB
MD5

04ef9b72f7a025d16472556b7d58397e
SHA1

de6f6267474fad4937c0b293ec0036b3d9443453
SHA256

2f1697d39bb479cb7cb92a6c88725e0e5efc7aa9af91f27e82adb5cd1dbedd7e
SHA512

db968420c6636adb4ad4d2f80994793f2ad5f13b89be814e8bcc23cdac55086c5ac8c772d820534d5645e8baaff60642f7e094b9fa98a435ecd7616fac1c7ffc
SSDEEP

3072:ZZJVfaoESjvSkQMhZdjpzb2P2A66gID04rcX5RXW4PefcGrnWDIexSPWkJNyoTc4:FVyQjAahVW4PeblexxwpcC

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AAB6C1A0-F3A4-4DAC-A922-F82E601E73A8}\InprocServer32\ThreadingModel = "Apartment"	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\{686488AF-13D5-9DDF-4FEF-9FB88698CFC1}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{686488AF-13D5-9DDF-4FEF-9FB88698CFC1}\InprocServer32\	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
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	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{686488AF-13D5-9DDF-4FEF-9FB88698CFC1}	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\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38}\webbrowser = "{AAB6C1A0-F3A4-4DAC-A922-F82E601E73A8}"	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\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\04ef9b72f7a025d16472556b7d58397e_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38}\wversion = "4.0.9"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 1856	2268	regsvr32.exe	28
PID 2268 wrote to memory of 1856	2268	regsvr32.exe	28
PID 2268 wrote to memory of 1856	2268	regsvr32.exe	28
PID 2268 wrote to memory of 1856	2268	regsvr32.exe	28
PID 2268 wrote to memory of 1856	2268	regsvr32.exe	28
PID 2268 wrote to memory of 1856	2268	regsvr32.exe	28
PID 2268 wrote to memory of 1856	2268	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\04ef9b72f7a025d16472556b7d58397e_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\04ef9b72f7a025d16472556b7d58397e_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1856

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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