Malware Analysis Report

2024-11-15 05:40

Sample ID 240604-b5p5naha4v
Target 56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a
SHA256 56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a
Tags
stealc vidar discovery spyware stealer
score
10/10

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
10/10

SHA256

56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a

Threat Level: Known bad

The file 56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Detect Vidar Stealer

Stealc

Vidar

Downloads MZ/PE file

Reads user/profile data of web browsers

Executes dropped EXE

Checks installed software on the system

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-04 01:43

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-04 01:43

Reported

2024-06-04 01:46

Platform

win10v2004-20240426-en

Max time kernel

92s

Max time network

101s

Command Line

"C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe"

Signatures

Detect 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
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

Stealc

stealer stealc

Vidar

stealer vidar

Downloads MZ/PE file

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat5285.tmp N/A

Reads user/profile data of web browsers

spyware stealer

Checks installed software on the system

discovery

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1684 set thread context of 2240 N/A C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe C:\Users\Admin\AppData\Local\Temp\kat5285.tmp

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat5285.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat5285.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat5285.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1684 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe C:\Users\Admin\AppData\Local\Temp\kat5285.tmp
PID 1684 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe C:\Users\Admin\AppData\Local\Temp\kat5285.tmp
PID 1684 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe C:\Users\Admin\AppData\Local\Temp\kat5285.tmp
PID 1684 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe C:\Users\Admin\AppData\Local\Temp\kat5285.tmp
PID 1684 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe C:\Users\Admin\AppData\Local\Temp\kat5285.tmp
PID 1684 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe C:\Users\Admin\AppData\Local\Temp\kat5285.tmp
PID 1684 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe C:\Users\Admin\AppData\Local\Temp\kat5285.tmp
PID 1684 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe C:\Users\Admin\AppData\Local\Temp\kat5285.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe

"C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe"

C:\Users\Admin\AppData\Local\Temp\kat5285.tmp

C:\Users\Admin\AppData\Local\Temp\kat5285.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 t.me udp
NL 149.154.167.99:443 t.me tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 245.158.13.49.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 52.111.227.11:443 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/1684-0-0x00000000007A0000-0x00000000007A1000-memory.dmp

memory/1684-2-0x00000000029E0000-0x0000000002B2C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat5285.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/2240-4-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2240-8-0x0000000000400000-0x0000000000649000-memory.dmp

memory/1684-9-0x0000000000400000-0x00000000005CE000-memory.dmp

memory/2240-10-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2240-13-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2240-14-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2240-16-0x000000001DBA0000-0x000000001DDFF000-memory.dmp

memory/2240-31-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2240-32-0x0000000000400000-0x0000000000649000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-04 01:43

Reported

2024-06-04 01:46

Platform

win11-20240508-en

Max time kernel

145s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe"

Signatures

Detect 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
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

Stealc

stealer stealc

Vidar

stealer vidar

Downloads MZ/PE file

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\katB565.tmp N/A

Reads user/profile data of web browsers

spyware stealer

Checks installed software on the system

discovery

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2656 set thread context of 896 N/A C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe C:\Users\Admin\AppData\Local\Temp\katB565.tmp

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\katB565.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\katB565.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\katB565.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2656 wrote to memory of 896 N/A C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe C:\Users\Admin\AppData\Local\Temp\katB565.tmp
PID 2656 wrote to memory of 896 N/A C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe C:\Users\Admin\AppData\Local\Temp\katB565.tmp
PID 2656 wrote to memory of 896 N/A C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe C:\Users\Admin\AppData\Local\Temp\katB565.tmp
PID 2656 wrote to memory of 896 N/A C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe C:\Users\Admin\AppData\Local\Temp\katB565.tmp
PID 2656 wrote to memory of 896 N/A C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe C:\Users\Admin\AppData\Local\Temp\katB565.tmp
PID 2656 wrote to memory of 896 N/A C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe C:\Users\Admin\AppData\Local\Temp\katB565.tmp
PID 2656 wrote to memory of 896 N/A C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe C:\Users\Admin\AppData\Local\Temp\katB565.tmp
PID 2656 wrote to memory of 896 N/A C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe C:\Users\Admin\AppData\Local\Temp\katB565.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe

"C:\Users\Admin\AppData\Local\Temp\56a1e0a1ff3fdf6596e30103e4fc300fd69400ca3b6c2c5009d7dcb6fae11f7a.exe"

C:\Users\Admin\AppData\Local\Temp\katB565.tmp

C:\Users\Admin\AppData\Local\Temp\katB565.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
NL 149.154.167.99:443 t.me tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp

Files

memory/2656-0-0x0000000002430000-0x0000000002431000-memory.dmp

memory/2656-1-0x0000000002A20000-0x0000000002B6C000-memory.dmp

memory/896-4-0x0000000000400000-0x0000000000649000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\katB565.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/896-8-0x0000000000400000-0x0000000000649000-memory.dmp

memory/896-9-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2656-10-0x0000000000400000-0x00000000005CE000-memory.dmp

memory/896-22-0x0000000000400000-0x0000000000649000-memory.dmp

memory/896-23-0x0000000000400000-0x0000000000649000-memory.dmp

memory/896-26-0x0000000019430000-0x000000001968F000-memory.dmp

memory/896-40-0x0000000000400000-0x0000000000649000-memory.dmp

memory/896-41-0x0000000000400000-0x0000000000649000-memory.dmp