Malware Analysis Report

2024-11-16 13:51

Sample ID 240628-kb2q2asfnn
Target 2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544
SHA256 2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544

Threat Level: Known bad

The file 2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Vidar

Detect Vidar Stealer

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

Checks processor information in registry

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-28 08:26

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-28 08:26

Reported

2024-06-28 08:28

Platform

win11-20240419-en

Max time kernel

92s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.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\kat3817.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 3804 set thread context of 3364 N/A C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe C:\Users\Admin\AppData\Local\Temp\kat3817.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\kat3817.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat3817.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3804 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe C:\Users\Admin\AppData\Local\Temp\kat3817.tmp
PID 3804 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe C:\Users\Admin\AppData\Local\Temp\kat3817.tmp
PID 3804 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe C:\Users\Admin\AppData\Local\Temp\kat3817.tmp
PID 3804 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe C:\Users\Admin\AppData\Local\Temp\kat3817.tmp
PID 3804 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe C:\Users\Admin\AppData\Local\Temp\kat3817.tmp
PID 3804 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe C:\Users\Admin\AppData\Local\Temp\kat3817.tmp
PID 3804 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe C:\Users\Admin\AppData\Local\Temp\kat3817.tmp
PID 3804 wrote to memory of 3364 N/A C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe C:\Users\Admin\AppData\Local\Temp\kat3817.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe

"C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe"

C:\Users\Admin\AppData\Local\Temp\kat3817.tmp

C:\Users\Admin\AppData\Local\Temp\kat3817.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 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 41.249.124.192.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/3804-0-0x0000000002420000-0x0000000002421000-memory.dmp

memory/3804-1-0x00000000040F0000-0x0000000004200000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat3817.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3364-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3364-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3804-10-0x0000000000400000-0x000000000058E000-memory.dmp

memory/3364-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3364-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3364-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3364-28-0x000000002D1C0000-0x000000002D41F000-memory.dmp

memory/3364-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3364-43-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-28 08:26

Reported

2024-06-28 08:28

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.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\kat5851.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 2540 set thread context of 4592 N/A C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe C:\Users\Admin\AppData\Local\Temp\kat5851.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\kat5851.tmp N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\kat5851.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2540 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe C:\Users\Admin\AppData\Local\Temp\kat5851.tmp
PID 2540 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe C:\Users\Admin\AppData\Local\Temp\kat5851.tmp
PID 2540 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe C:\Users\Admin\AppData\Local\Temp\kat5851.tmp
PID 2540 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe C:\Users\Admin\AppData\Local\Temp\kat5851.tmp
PID 2540 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe C:\Users\Admin\AppData\Local\Temp\kat5851.tmp
PID 2540 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe C:\Users\Admin\AppData\Local\Temp\kat5851.tmp
PID 2540 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe C:\Users\Admin\AppData\Local\Temp\kat5851.tmp
PID 2540 wrote to memory of 4592 N/A C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe C:\Users\Admin\AppData\Local\Temp\kat5851.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe

"C:\Users\Admin\AppData\Local\Temp\2c9d7aedea3e18b149f866d1d646fa1e47147f64f7265026d7ed8faa6f942544.exe"

C:\Users\Admin\AppData\Local\Temp\kat5851.tmp

C:\Users\Admin\AppData\Local\Temp\kat5851.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 241.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.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 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 214.251.201.195.in-addr.arpa udp
US 8.8.8.8:53 23.249.124.192.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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.173.189.20.in-addr.arpa udp

Files

memory/2540-0-0x00000000021E0000-0x00000000021E1000-memory.dmp

memory/2540-1-0x0000000003F70000-0x0000000004080000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat5851.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/2540-9-0x0000000000400000-0x000000000058E000-memory.dmp

memory/4592-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4592-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4592-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4592-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4592-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4592-26-0x0000000020240000-0x000000002049F000-memory.dmp

memory/4592-40-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4592-41-0x0000000000400000-0x0000000000648000-memory.dmp