c01af545f431b79bb8ecc205cbc03d19ae45ec0efa9c69a7b29d2f757fcbbdaa

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
11/07/2024, 09:49

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General

Target

38a1723905d8a7f6d6d36c1143d65ee0_JaffaCakes118.dll
Size

168KB
MD5

38a1723905d8a7f6d6d36c1143d65ee0
SHA1

4efb33060e9f75d7b446de9f6dc127d10c670d68
SHA256

c01af545f431b79bb8ecc205cbc03d19ae45ec0efa9c69a7b29d2f757fcbbdaa
SHA512

38835c44ccf622d669a390c95f1d84879d80e0e71e8b0ceea842c0e920edcf8d4c71fba637fd5bd7b1b405542ce4cab6a2008e9464a8cdef57819bbf8c9e0178
SSDEEP

3072:Ix27mpQnS/kFF+IU+gXo4OmojbKsXzkv1:IY8QS/kFuzO/F4

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\{296AB1B8-FB22-4D17-8834-064E2BA0A6F0}	regsvr32.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system.ini	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{296AB1B8-FB22-4D17-8834-064E2BA0A6F0}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{296AB1B8-FB22-4D17-8834-064E2BA0A6F0}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{296AB1B8-FB22-4D17-8834-064E2BA0A6F0}\TypeLib\ = "{296AB1B8-FB22-4D17-8834"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{296AB1B8-FB22-4D17-8834-064E2BA0A6F0}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{296AB1B8-FB22-4D17-8834-064E2BA0A6F0}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\38a1723905d8a7f6d6d36c1143d65ee0_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{296AB1B8-FB22-4D17-8834-064E2BA0A6F0}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 1216	4620	regsvr32.exe	83
PID 4620 wrote to memory of 1216	4620	regsvr32.exe	83
PID 4620 wrote to memory of 1216	4620	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\38a1723905d8a7f6d6d36c1143d65ee0_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4620
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\38a1723905d8a7f6d6d36c1143d65ee0_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Drops file in Windows directory
  - Modifies registry class
  PID:1216

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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