Malware Analysis Report

2025-08-06 02:51

Sample ID 241015-z8bcnsxfqh
Target 4a11900b9aa45745255a007bf279cb50_JaffaCakes118
SHA256 01b614be847e7685953d5e998908d01e4e3ff163ec7176b8786c4fe0a8b53f59
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

01b614be847e7685953d5e998908d01e4e3ff163ec7176b8786c4fe0a8b53f59

Threat Level: Shows suspicious behavior

The file 4a11900b9aa45745255a007bf279cb50_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

credential_access discovery spyware stealer

Reads user/profile data of web browsers

Unsecured Credentials: Credentials In Files

Reads data files stored by FTP clients

Reads local data of messenger clients

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-15 21:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-15 21:22

Reported

2024-10-15 21:25

Platform

win7-20241010-en

Max time kernel

121s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe"

Signatures

Reads data files stored by FTP clients

spyware stealer

Reads local data of messenger 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\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2372 wrote to memory of 1484 N/A C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe
PID 2372 wrote to memory of 1484 N/A C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe
PID 2372 wrote to memory of 1484 N/A C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe
PID 2372 wrote to memory of 1484 N/A C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe
PID 2372 wrote to memory of 1484 N/A C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe
PID 2372 wrote to memory of 1484 N/A C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe
PID 2372 wrote to memory of 1484 N/A C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe
PID 2372 wrote to memory of 1484 N/A C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe
PID 2372 wrote to memory of 1484 N/A C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe

Network

N/A

Files

memory/2372-0-0x0000000000400000-0x0000000000493000-memory.dmp

memory/2372-1-0x0000000000400000-0x0000000000493000-memory.dmp

memory/1484-4-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1484-15-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1484-16-0x0000000000400000-0x0000000000458000-memory.dmp

memory/2372-14-0x0000000000400000-0x0000000000493000-memory.dmp

memory/1484-12-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1484-10-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1484-8-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1484-2-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1484-6-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1484-21-0x0000000000400000-0x0000000000458000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-15 21:22

Reported

2024-10-15 21:25

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_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\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3720 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe
PID 3720 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe
PID 3720 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe
PID 3720 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe
PID 3720 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe
PID 3720 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe
PID 3720 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe
PID 3720 wrote to memory of 4956 N/A C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\4a11900b9aa45745255a007bf279cb50_JaffaCakes118.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4956 -ip 4956

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 312

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 134.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/3720-0-0x0000000000400000-0x0000000000493000-memory.dmp

memory/3720-1-0x0000000000400000-0x0000000000493000-memory.dmp

memory/4956-2-0x0000000000400000-0x0000000000458000-memory.dmp

memory/3720-4-0x0000000000400000-0x0000000000493000-memory.dmp

memory/4956-5-0x0000000000400000-0x0000000000458000-memory.dmp

memory/4956-6-0x0000000000400000-0x0000000000458000-memory.dmp

memory/4956-7-0x0000000000400000-0x0000000000458000-memory.dmp