Malware Analysis Report

2024-10-19 10:47

Sample ID 240620-jdmjfs1akk
Target 040ff18b515119bac92de538e18db109_JaffaCakes118
SHA256 b5169b36f6067ef634dfa9bfe66c9ea0693480f0762a22c45720553315751479
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

b5169b36f6067ef634dfa9bfe66c9ea0693480f0762a22c45720553315751479

Threat Level: Shows suspicious behavior

The file 040ff18b515119bac92de538e18db109_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

adware stealer

Deletes itself

Installs/modifies Browser Helper Object

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Modifies registry class

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 07:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 07:33

Reported

2024-06-20 07:35

Platform

win7-20240220-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.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\{e3a729da-eabc-df50-1842-dfd682644311} C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\mswapi.dll C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311} C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311}\InprocServer32\ = "C:\\Windows\\SysWow64\\mswapi.dll" C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311}\InprocServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e3a729da-eabc-df50-1842-dfd682644311}\script = 18b449998991e1c3e4419e26a52314b4141bff389acda062d5152c24721b223aee0d C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c ""C:\Users\Admin\AppData\Local\Temp\delt.bat" "

Network

N/A

Files

C:\Users\Admin\AppData\Local\Temp\delt.bat

MD5 ed58dfd87e0e4f70542aa5984587465c
SHA1 0c2b8ebc4d9bfd4cc1e3f10987298bad6afa8dc2
SHA256 688349e3f296fd464a59c2edc16ec68ba1f8a14d8d50fef9cb155c2c7a2d43bd
SHA512 0a9c94ec5677b085d31bea2ea7cc801a22eb6fa0eb68f4869692f80b27b8c0b21be4be46f7e7e6b67498fb4a8f0d9d137c565b9bfc3e8faeb6b7d57235a778bf

memory/3028-9-0x0000000000400000-0x000000000040B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 07:33

Reported

2024-06-20 07:35

Platform

win10v2004-20240508-en

Max time kernel

94s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\040ff18b515119bac92de538e18db109_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

N/A