Malware Analysis Report

2025-08-11 00:37

Sample ID 240331-epj59ade5s
Target 4cafd5c0f431df7e009e7d6d64c74531_JaffaCakes118
SHA256 8aa1286fb55478109fa9ab49358a8b06d6125f73a611e90d753109ac26603464
Tags
vidar 1008 stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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
10/10

SHA256

8aa1286fb55478109fa9ab49358a8b06d6125f73a611e90d753109ac26603464

Threat Level: Known bad

The file 4cafd5c0f431df7e009e7d6d64c74531_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

vidar 1008 stealer

Vidar

Vidar Stealer

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-31 04:06

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-31 04:06

Reported

2024-03-31 04:09

Platform

win7-20240221-en

Max time kernel

142s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4cafd5c0f431df7e009e7d6d64c74531_JaffaCakes118.exe"

Signatures

Vidar

stealer vidar

Vidar Stealer

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

Processes

C:\Users\Admin\AppData\Local\Temp\4cafd5c0f431df7e009e7d6d64c74531_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4cafd5c0f431df7e009e7d6d64c74531_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 1332

Network

Country Destination Domain Proto
US 8.8.8.8:53 mas.to udp
US 104.21.11.154:443 mas.to tcp

Files

memory/2428-1-0x0000000001860000-0x0000000001960000-memory.dmp

memory/2428-2-0x0000000001730000-0x0000000001806000-memory.dmp

memory/2428-3-0x0000000000400000-0x0000000001728000-memory.dmp

memory/2428-19-0x0000000000400000-0x0000000001728000-memory.dmp

memory/2428-20-0x0000000001860000-0x0000000001960000-memory.dmp

memory/2428-22-0x0000000001730000-0x0000000001806000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-31 04:06

Reported

2024-03-31 04:09

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4cafd5c0f431df7e009e7d6d64c74531_JaffaCakes118.exe"

Signatures

Vidar

stealer vidar

Vidar Stealer

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

Processes

C:\Users\Admin\AppData\Local\Temp\4cafd5c0f431df7e009e7d6d64c74531_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4cafd5c0f431df7e009e7d6d64c74531_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1076 -ip 1076

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1076 -s 1636

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 mas.to udp
US 172.67.166.96:443 mas.to tcp
US 8.8.8.8:53 96.166.67.172.in-addr.arpa udp
US 8.8.8.8:53 3.36.251.142.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 40.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp

Files

memory/1076-1-0x0000000001790000-0x0000000001890000-memory.dmp

memory/1076-2-0x0000000003370000-0x0000000003446000-memory.dmp

memory/1076-3-0x0000000000400000-0x0000000001728000-memory.dmp

memory/1076-10-0x0000000000400000-0x0000000001728000-memory.dmp

memory/1076-11-0x0000000003370000-0x0000000003446000-memory.dmp