Malware Analysis Report

2024-11-30 06:33

Sample ID 240612-vzprgsxanj
Target a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118
SHA256 13634b36111d5952bc3a0c1ac3e919138e951b5139ee5a77d434f9c8255055fe
Tags
spyware 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

13634b36111d5952bc3a0c1ac3e919138e951b5139ee5a77d434f9c8255055fe

Threat Level: Shows suspicious behavior

The file a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

spyware stealer

Reads user/profile data of web browsers

Suspicious use of SetThreadContext

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-12 17:25

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 17:25

Reported

2024-06-12 17:28

Platform

win7-20240611-en

Max time kernel

147s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe"

Signatures

Reads user/profile data of web browsers

spyware stealer

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2852 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 2852 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 2852 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 2852 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 2852 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 2852 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 2852 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 2852 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 2852 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 2852 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 2852 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 2852 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 2852 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 2852 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 imp.optimuminstaller.com udp
US 54.161.222.85:80 imp.optimuminstaller.com tcp
US 8.8.8.8:53 www.hugedomains.com udp
US 104.26.7.37:443 www.hugedomains.com tcp
US 104.26.7.37:443 www.hugedomains.com tcp
US 8.8.8.8:53 config.optimuminstaller.com udp
US 3.140.13.188:80 config.optimuminstaller.com tcp
US 104.26.7.37:443 www.hugedomains.com tcp

Files

memory/2292-0-0x0000000000400000-0x00000000004F9000-memory.dmp

memory/2292-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2292-10-0x0000000000400000-0x00000000004F9000-memory.dmp

memory/2292-16-0x0000000000400000-0x00000000004F9000-memory.dmp

memory/2292-17-0x0000000000400000-0x00000000004F9000-memory.dmp

memory/2292-14-0x0000000000400000-0x00000000004F9000-memory.dmp

memory/2292-8-0x0000000000400000-0x00000000004F9000-memory.dmp

memory/2292-6-0x0000000000400000-0x00000000004F9000-memory.dmp

memory/2292-4-0x0000000000400000-0x00000000004F9000-memory.dmp

memory/2292-2-0x0000000000400000-0x00000000004F9000-memory.dmp

memory/2292-19-0x0000000000400000-0x00000000004F9000-memory.dmp

memory/2292-40-0x0000000000400000-0x00000000004F9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 17:25

Reported

2024-06-12 17:28

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

52s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe"

Signatures

Reads user/profile data of web browsers

spyware stealer

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1384 wrote to memory of 4704 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 1384 wrote to memory of 4704 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 1384 wrote to memory of 4704 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 1384 wrote to memory of 4704 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 1384 wrote to memory of 4704 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 1384 wrote to memory of 4704 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 1384 wrote to memory of 4704 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 1384 wrote to memory of 4704 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 1384 wrote to memory of 4704 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe
PID 1384 wrote to memory of 4704 N/A C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a17e71ef26a3801b312c21a39b3d9cb5_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 imp.optimuminstaller.com udp
US 8.8.8.8:53 imp.optimuminstaller.com udp
US 8.8.8.8:53 config.optimuminstaller.com udp

Files

memory/4704-0-0x0000000000400000-0x00000000004F9000-memory.dmp

memory/4704-1-0x0000000000400000-0x00000000004F9000-memory.dmp

memory/4704-2-0x0000000000400000-0x00000000004F9000-memory.dmp

memory/4704-4-0x0000000000400000-0x00000000004F9000-memory.dmp

memory/4704-5-0x0000000000400000-0x00000000004F9000-memory.dmp

memory/4704-6-0x0000000000400000-0x00000000004F9000-memory.dmp

memory/4704-7-0x0000000000400000-0x00000000004F9000-memory.dmp

memory/4704-8-0x0000000000400000-0x00000000004F9000-memory.dmp