Malware Analysis Report

2024-11-16 13:46

Sample ID 240628-vj61tszeqq
Target 084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480
SHA256 084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480
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

084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480

Threat Level: Known bad

The file 084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Stealc

Detect Vidar Stealer

Vidar

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 behavior: EnumeratesProcesses

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-28 17:02

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-28 17:02

Reported

2024-06-28 17:04

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.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\kat5237.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 2220 set thread context of 344 N/A C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe C:\Users\Admin\AppData\Local\Temp\kat5237.tmp

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\kat5237.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat5237.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2220 wrote to memory of 344 N/A C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe C:\Users\Admin\AppData\Local\Temp\kat5237.tmp
PID 2220 wrote to memory of 344 N/A C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe C:\Users\Admin\AppData\Local\Temp\kat5237.tmp
PID 2220 wrote to memory of 344 N/A C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe C:\Users\Admin\AppData\Local\Temp\kat5237.tmp
PID 2220 wrote to memory of 344 N/A C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe C:\Users\Admin\AppData\Local\Temp\kat5237.tmp
PID 2220 wrote to memory of 344 N/A C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe C:\Users\Admin\AppData\Local\Temp\kat5237.tmp
PID 2220 wrote to memory of 344 N/A C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe C:\Users\Admin\AppData\Local\Temp\kat5237.tmp
PID 2220 wrote to memory of 344 N/A C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe C:\Users\Admin\AppData\Local\Temp\kat5237.tmp
PID 2220 wrote to memory of 344 N/A C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe C:\Users\Admin\AppData\Local\Temp\kat5237.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe

"C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe"

C:\Users\Admin\AppData\Local\Temp\kat5237.tmp

C:\Users\Admin\AppData\Local\Temp\kat5237.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 t.me udp
NL 149.154.167.99:443 t.me tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 23.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 214.251.201.195.in-addr.arpa udp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 95.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 11.179.89.13.in-addr.arpa udp

Files

memory/2220-0-0x00000000007F0000-0x00000000007F1000-memory.dmp

memory/2220-2-0x00000000040C0000-0x00000000041D0000-memory.dmp

memory/344-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/344-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2220-9-0x0000000000400000-0x0000000000635000-memory.dmp

memory/344-10-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat5237.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/344-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/344-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/344-25-0x0000000022800000-0x0000000022A5F000-memory.dmp

memory/344-40-0x0000000000400000-0x0000000000648000-memory.dmp

memory/344-41-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-28 17:02

Reported

2024-06-28 17:04

Platform

win11-20240419-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.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\kat536F.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 3024 set thread context of 4748 N/A C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe C:\Users\Admin\AppData\Local\Temp\kat536F.tmp

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\kat536F.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat536F.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3024 wrote to memory of 4748 N/A C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe C:\Users\Admin\AppData\Local\Temp\kat536F.tmp
PID 3024 wrote to memory of 4748 N/A C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe C:\Users\Admin\AppData\Local\Temp\kat536F.tmp
PID 3024 wrote to memory of 4748 N/A C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe C:\Users\Admin\AppData\Local\Temp\kat536F.tmp
PID 3024 wrote to memory of 4748 N/A C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe C:\Users\Admin\AppData\Local\Temp\kat536F.tmp
PID 3024 wrote to memory of 4748 N/A C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe C:\Users\Admin\AppData\Local\Temp\kat536F.tmp
PID 3024 wrote to memory of 4748 N/A C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe C:\Users\Admin\AppData\Local\Temp\kat536F.tmp
PID 3024 wrote to memory of 4748 N/A C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe C:\Users\Admin\AppData\Local\Temp\kat536F.tmp
PID 3024 wrote to memory of 4748 N/A C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe C:\Users\Admin\AppData\Local\Temp\kat536F.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe

"C:\Users\Admin\AppData\Local\Temp\084c71006ac1fa7e4f90f368dc85461f6bac6e8f1d243d77427f5a8a7261a480.exe"

C:\Users\Admin\AppData\Local\Temp\kat536F.tmp

C:\Users\Admin\AppData\Local\Temp\kat536F.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 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 22.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 214.251.201.195.in-addr.arpa udp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp

Files

memory/3024-0-0x00000000024A0000-0x00000000024A1000-memory.dmp

memory/3024-2-0x00000000040A0000-0x00000000041B0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat536F.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/4748-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3024-9-0x0000000000400000-0x0000000000635000-memory.dmp

memory/4748-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4748-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4748-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4748-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4748-27-0x000000002D1A0000-0x000000002D3FF000-memory.dmp

memory/4748-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4748-43-0x0000000000400000-0x0000000000648000-memory.dmp