Malware Analysis Report

2024-11-30 07:44

Sample ID 240603-hdyfaaeh9y
Target 22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a
SHA256 22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a
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

22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a

Threat Level: Known bad

The file 22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Detect Vidar Stealer

Vidar

Stealc

Downloads MZ/PE file

Executes dropped EXE

Reads user/profile data of web browsers

Checks installed software on the system

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-03 06:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 06:37

Reported

2024-06-03 06:40

Platform

win10v2004-20240426-en

Max time kernel

93s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.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\kat3028.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 1880 set thread context of 4396 N/A C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe C:\Users\Admin\AppData\Local\Temp\kat3028.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\kat3028.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat3028.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat3028.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1880 wrote to memory of 4396 N/A C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe C:\Users\Admin\AppData\Local\Temp\kat3028.tmp
PID 1880 wrote to memory of 4396 N/A C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe C:\Users\Admin\AppData\Local\Temp\kat3028.tmp
PID 1880 wrote to memory of 4396 N/A C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe C:\Users\Admin\AppData\Local\Temp\kat3028.tmp
PID 1880 wrote to memory of 4396 N/A C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe C:\Users\Admin\AppData\Local\Temp\kat3028.tmp
PID 1880 wrote to memory of 4396 N/A C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe C:\Users\Admin\AppData\Local\Temp\kat3028.tmp
PID 1880 wrote to memory of 4396 N/A C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe C:\Users\Admin\AppData\Local\Temp\kat3028.tmp
PID 1880 wrote to memory of 4396 N/A C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe C:\Users\Admin\AppData\Local\Temp\kat3028.tmp
PID 1880 wrote to memory of 4396 N/A C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe C:\Users\Admin\AppData\Local\Temp\kat3028.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe

"C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe"

C:\Users\Admin\AppData\Local\Temp\kat3028.tmp

C:\Users\Admin\AppData\Local\Temp\kat3028.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 t.me udp
NL 149.154.167.99:443 t.me tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 36.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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
US 8.8.8.8:53 245.158.13.49.in-addr.arpa udp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/1880-0-0x00000000023D0000-0x00000000023D1000-memory.dmp

memory/1880-1-0x0000000004070000-0x00000000041BC000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat3028.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/4396-4-0x0000000000400000-0x0000000000649000-memory.dmp

memory/4396-8-0x0000000000400000-0x0000000000649000-memory.dmp

memory/4396-9-0x0000000000400000-0x0000000000649000-memory.dmp

memory/1880-10-0x0000000000400000-0x0000000000663000-memory.dmp

memory/4396-22-0x0000000000400000-0x0000000000649000-memory.dmp

memory/4396-23-0x0000000000400000-0x0000000000649000-memory.dmp

memory/4396-25-0x000000001B760000-0x000000001B9BF000-memory.dmp

memory/4396-40-0x0000000000400000-0x0000000000649000-memory.dmp

memory/4396-41-0x0000000000400000-0x0000000000649000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 06:37

Reported

2024-06-03 06:40

Platform

win11-20240508-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.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\kat7196.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 4968 set thread context of 4844 N/A C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe C:\Users\Admin\AppData\Local\Temp\kat7196.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\kat7196.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat7196.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat7196.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4968 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe C:\Users\Admin\AppData\Local\Temp\kat7196.tmp
PID 4968 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe C:\Users\Admin\AppData\Local\Temp\kat7196.tmp
PID 4968 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe C:\Users\Admin\AppData\Local\Temp\kat7196.tmp
PID 4968 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe C:\Users\Admin\AppData\Local\Temp\kat7196.tmp
PID 4968 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe C:\Users\Admin\AppData\Local\Temp\kat7196.tmp
PID 4968 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe C:\Users\Admin\AppData\Local\Temp\kat7196.tmp
PID 4968 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe C:\Users\Admin\AppData\Local\Temp\kat7196.tmp
PID 4968 wrote to memory of 4844 N/A C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe C:\Users\Admin\AppData\Local\Temp\kat7196.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe

"C:\Users\Admin\AppData\Local\Temp\22e56ac2ae0a3672ec66d7c12820df64b2da0ba727098c5ae1172e240c86458a.exe"

C:\Users\Admin\AppData\Local\Temp\kat7196.tmp

C:\Users\Admin\AppData\Local\Temp\kat7196.tmp

Network

Country Destination Domain Proto
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 8.8.8.8:53 144.107.17.2.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 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/4968-0-0x0000000000920000-0x0000000000921000-memory.dmp

memory/4968-1-0x0000000002BC0000-0x0000000002D0C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat7196.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/4844-8-0x0000000000400000-0x0000000000649000-memory.dmp

memory/4844-9-0x0000000000400000-0x0000000000649000-memory.dmp

memory/4844-4-0x0000000000400000-0x0000000000649000-memory.dmp

memory/4968-10-0x0000000000400000-0x0000000000663000-memory.dmp

memory/4844-15-0x0000000000400000-0x0000000000649000-memory.dmp

memory/4844-16-0x0000000000400000-0x0000000000649000-memory.dmp

memory/4844-19-0x000000001B7F0000-0x000000001BA4F000-memory.dmp

memory/4844-33-0x0000000000400000-0x0000000000649000-memory.dmp

memory/4844-34-0x0000000000400000-0x0000000000649000-memory.dmp