Malware Analysis Report

2025-08-06 02:51

Sample ID 241015-yssrcaycmp
Target 49c08b92dab655e77b06c434e3908f88_JaffaCakes118
SHA256 1ee338560231e8d63276cb912ffd24fb7d6877ef0a09667a07307e0a8639e5d2
Tags
credential_access discovery 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

1ee338560231e8d63276cb912ffd24fb7d6877ef0a09667a07307e0a8639e5d2

Threat Level: Shows suspicious behavior

The file 49c08b92dab655e77b06c434e3908f88_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

credential_access discovery spyware stealer

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Unsecured Credentials: Credentials In Files

Suspicious use of SetThreadContext

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-15 20:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-15 20:03

Reported

2024-10-15 20:05

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe"

Signatures

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Unsecured Credentials: Credentials In Files

credential_access stealer

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1736 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe
PID 1736 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe
PID 1736 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe
PID 1736 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe
PID 1736 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe
PID 1736 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe
PID 1736 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe
PID 1736 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe
PID 1736 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe
PID 1736 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe

Network

N/A

Files

memory/276-2-0x0000000000400000-0x0000000000458000-memory.dmp

memory/276-10-0x0000000000400000-0x0000000000458000-memory.dmp

memory/276-14-0x0000000000400000-0x0000000000458000-memory.dmp

memory/276-16-0x0000000000400000-0x0000000000458000-memory.dmp

memory/276-17-0x0000000000400000-0x0000000000458000-memory.dmp

memory/276-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/276-8-0x0000000000400000-0x0000000000458000-memory.dmp

memory/276-6-0x0000000000400000-0x0000000000458000-memory.dmp

memory/276-4-0x0000000000400000-0x0000000000458000-memory.dmp

memory/276-20-0x0000000000400000-0x0000000000458000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-15 20:03

Reported

2024-10-15 20:05

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5004 wrote to memory of 4100 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe
PID 5004 wrote to memory of 4100 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe
PID 5004 wrote to memory of 4100 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe
PID 5004 wrote to memory of 4100 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe
PID 5004 wrote to memory of 4100 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe
PID 5004 wrote to memory of 4100 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe
PID 5004 wrote to memory of 4100 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe
PID 5004 wrote to memory of 4100 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe
PID 5004 wrote to memory of 4100 N/A C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\49c08b92dab655e77b06c434e3908f88_JaffaCakes118.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 4100 -ip 4100

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4100 -s 312

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 8.8.8.8:53 134.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/4100-2-0x0000000000400000-0x0000000000458000-memory.dmp

memory/4100-4-0x0000000000400000-0x0000000000458000-memory.dmp

memory/4100-5-0x0000000000400000-0x0000000000458000-memory.dmp

memory/4100-6-0x0000000000400000-0x0000000000458000-memory.dmp