Malware Analysis Report

2024-11-16 13:44

Sample ID 240607-w86a9sca2s
Target ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0
SHA256 ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0
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

ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0

Threat Level: Known bad

The file ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0 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

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-07 18:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-07 18:36

Reported

2024-06-07 18:39

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.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\kat46FC.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 1620 set thread context of 1220 N/A C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe C:\Users\Admin\AppData\Local\Temp\kat46FC.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\kat46FC.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat46FC.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat46FC.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1620 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe C:\Users\Admin\AppData\Local\Temp\kat46FC.tmp
PID 1620 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe C:\Users\Admin\AppData\Local\Temp\kat46FC.tmp
PID 1620 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe C:\Users\Admin\AppData\Local\Temp\kat46FC.tmp
PID 1620 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe C:\Users\Admin\AppData\Local\Temp\kat46FC.tmp
PID 1620 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe C:\Users\Admin\AppData\Local\Temp\kat46FC.tmp
PID 1620 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe C:\Users\Admin\AppData\Local\Temp\kat46FC.tmp
PID 1620 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe C:\Users\Admin\AppData\Local\Temp\kat46FC.tmp
PID 1620 wrote to memory of 1220 N/A C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe C:\Users\Admin\AppData\Local\Temp\kat46FC.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe

"C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe"

C:\Users\Admin\AppData\Local\Temp\kat46FC.tmp

C:\Users\Admin\AppData\Local\Temp\kat46FC.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 145.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 41.249.124.192.in-addr.arpa udp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 18.190.202.116.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 52.111.229.48:443 tcp
US 8.8.8.8:53 78.239.69.13.in-addr.arpa udp

Files

memory/1620-0-0x0000000000730000-0x0000000000731000-memory.dmp

memory/1620-2-0x0000000003E70000-0x0000000003FD3000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat46FC.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1220-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1620-9-0x0000000000400000-0x000000000067A000-memory.dmp

memory/1220-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1220-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1220-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1220-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1220-25-0x000000001B7E0000-0x000000001BA3F000-memory.dmp

memory/1220-40-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1220-41-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-07 18:36

Reported

2024-06-07 18:39

Platform

win11-20240508-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.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\kat96D1.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 4984 set thread context of 3000 N/A C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe C:\Users\Admin\AppData\Local\Temp\kat96D1.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\kat96D1.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat96D1.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat96D1.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4984 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe C:\Users\Admin\AppData\Local\Temp\kat96D1.tmp
PID 4984 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe C:\Users\Admin\AppData\Local\Temp\kat96D1.tmp
PID 4984 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe C:\Users\Admin\AppData\Local\Temp\kat96D1.tmp
PID 4984 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe C:\Users\Admin\AppData\Local\Temp\kat96D1.tmp
PID 4984 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe C:\Users\Admin\AppData\Local\Temp\kat96D1.tmp
PID 4984 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe C:\Users\Admin\AppData\Local\Temp\kat96D1.tmp
PID 4984 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe C:\Users\Admin\AppData\Local\Temp\kat96D1.tmp
PID 4984 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe C:\Users\Admin\AppData\Local\Temp\kat96D1.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe

"C:\Users\Admin\AppData\Local\Temp\ed984570906ae22d78fdc226365816bca212bc6dc47e21695be05fa9b8b6bbd0.exe"

C:\Users\Admin\AppData\Local\Temp\kat96D1.tmp

C:\Users\Admin\AppData\Local\Temp\kat96D1.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 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 145.83.221.88.in-addr.arpa udp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp

Files

memory/4984-0-0x00000000023D0000-0x00000000023D1000-memory.dmp

memory/4984-1-0x0000000002D20000-0x0000000002E83000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat96D1.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3000-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3000-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4984-10-0x0000000000400000-0x000000000067A000-memory.dmp

memory/3000-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3000-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3000-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3000-28-0x000000001DC90000-0x000000001DEEF000-memory.dmp

memory/3000-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3000-43-0x0000000000400000-0x0000000000648000-memory.dmp