Malware Analysis Report

2025-01-18 21:54

Sample ID 240622-f2nvmstgml
Target 01792c19515d5256757a325bd39a83a6_JaffaCakes118
SHA256 f469de35a446885233cf4970802a9adadfcb276e6b5760bf0979e3a6b9a4ec5d
Tags
adware stealer
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

f469de35a446885233cf4970802a9adadfcb276e6b5760bf0979e3a6b9a4ec5d

Threat Level: Shows suspicious behavior

The file 01792c19515d5256757a325bd39a83a6_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

adware stealer

Checks computer location settings

Installs/modifies Browser Helper Object

Drops file in System32 directory

Program crash

Unsigned PE

Enumerates physical storage devices

Modifies Internet Explorer settings

Modifies registry class

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-22 05:22

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-22 05:22

Reported

2024-06-22 05:24

Platform

win7-20231129-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 44

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-22 05:22

Reported

2024-06-22 05:24

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4C579E8B-92F1-44d1-9444-66A4355E9386} C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\rozmchild.dll C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\conf.dat C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe N/A

Enumerates physical storage devices

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "yes" C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4C579E8B-92F1-44d1-9444-66A4355E9386}\InprocServer32\ = "rozmchild.dll" C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4C579E8B-92F1-44d1-9444-66A4355E9386}\InprocServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4C579E8B-92F1-44d1-9444-66A4355E9386}\TypeLib C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4C579E8B-92F1-44d1-9444-66A4355E9386}\ = "Google Module" C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4C579E8B-92F1-44d1-9444-66A4355E9386}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4C579E8B-92F1-44d1-9444-66A4355E9386}\ProgID\ = "RITLAB.1" C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4C579E8B-92F1-44d1-9444-66A4355E9386}\TypeLib\ = "{A78DE3EE-4D19-4096-81E1-A06B1E862B90}" C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4C579E8B-92F1-44d1-9444-66A4355E9386} C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4C579E8B-92F1-44d1-9444-66A4355E9386}\ProgID C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\01792c19515d5256757a325bd39a83a6_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\01792C~1.EXE >> NUL

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

N/A