Malware Analysis Report

2025-08-11 00:37

Sample ID 240331-hyxpgsgd44
Target 503b70c4c2b219e8150b4e9df4c473de_JaffaCakes118
SHA256 0bbb3a93d48bc9066627a098c3455893eb3c6f8905fc2ba402f250773f06c575
Tags
vidar 1037 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

0bbb3a93d48bc9066627a098c3455893eb3c6f8905fc2ba402f250773f06c575

Threat Level: Known bad

The file 503b70c4c2b219e8150b4e9df4c473de_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

vidar 1037 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 07:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-31 07:09

Reported

2024-03-31 07:11

Platform

win7-20240221-en

Max time kernel

141s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\503b70c4c2b219e8150b4e9df4c473de_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\503b70c4c2b219e8150b4e9df4c473de_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\503b70c4c2b219e8150b4e9df4c473de_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2332 -s 1372

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/2332-1-0x0000000001810000-0x0000000001910000-memory.dmp

memory/2332-2-0x0000000000300000-0x00000000003D6000-memory.dmp

memory/2332-3-0x0000000000400000-0x0000000001734000-memory.dmp

memory/2332-19-0x0000000000400000-0x0000000001734000-memory.dmp

memory/2332-21-0x0000000001810000-0x0000000001910000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-31 07:09

Reported

2024-03-31 07:12

Platform

win10v2004-20240226-en

Max time kernel

119s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\503b70c4c2b219e8150b4e9df4c473de_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\503b70c4c2b219e8150b4e9df4c473de_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\503b70c4c2b219e8150b4e9df4c473de_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 556 -ip 556

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 556 -s 1028

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4432 --field-trial-handle=3084,i,11997299123381683778,5904351605020331957,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 40.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.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 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
NL 142.250.179.138:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 138.179.250.142.in-addr.arpa udp

Files

memory/556-1-0x0000000001830000-0x0000000001930000-memory.dmp

memory/556-2-0x00000000034A0000-0x0000000003576000-memory.dmp

memory/556-3-0x0000000000400000-0x0000000001734000-memory.dmp

memory/556-10-0x0000000000400000-0x0000000001734000-memory.dmp

memory/556-12-0x00000000034A0000-0x0000000003576000-memory.dmp