Malware Analysis Report

2025-08-11 00:36

Sample ID 240331-p83f2sce29
Target 55084413e3321b7684a868937c65b73d_JaffaCakes118
SHA256 2b55350b069149a459b5d0664210e419fa806f2bbbcd1369ac968b0613cc506c
Tags
vidar 1033 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

2b55350b069149a459b5d0664210e419fa806f2bbbcd1369ac968b0613cc506c

Threat Level: Known bad

The file 55084413e3321b7684a868937c65b73d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

vidar 1033 stealer

Vidar

Vidar Stealer

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-31 13:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-31 13:00

Reported

2024-03-31 13:03

Platform

win7-20240319-en

Max time kernel

141s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\55084413e3321b7684a868937c65b73d_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\55084413e3321b7684a868937c65b73d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\55084413e3321b7684a868937c65b73d_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 1340

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/2080-1-0x0000000000250000-0x0000000000350000-memory.dmp

memory/2080-2-0x0000000002EE0000-0x0000000002FB6000-memory.dmp

memory/2080-3-0x0000000000400000-0x0000000001735000-memory.dmp

memory/2080-19-0x0000000000400000-0x0000000001735000-memory.dmp

memory/2080-20-0x0000000000250000-0x0000000000350000-memory.dmp

memory/2080-22-0x0000000002EE0000-0x0000000002FB6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-31 13:00

Reported

2024-03-31 13:03

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\55084413e3321b7684a868937c65b73d_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\55084413e3321b7684a868937c65b73d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\55084413e3321b7684a868937c65b73d_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 1508 -ip 1508

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1508 -s 1004

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 40.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.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 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 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 41.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 10.73.50.20.in-addr.arpa udp

Files

memory/1508-1-0x00000000017C0000-0x00000000018C0000-memory.dmp

memory/1508-2-0x0000000003480000-0x0000000003556000-memory.dmp

memory/1508-3-0x0000000000400000-0x0000000001735000-memory.dmp

memory/1508-10-0x0000000000400000-0x0000000001735000-memory.dmp

memory/1508-11-0x0000000003480000-0x0000000003556000-memory.dmp