Malware Analysis Report

2024-11-16 13:43

Sample ID 240607-zqlqpach5t
Target 932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776
SHA256 932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776
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

932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776

Threat Level: Known bad

The file 932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Detect Vidar Stealer

Stealc

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 use of WriteProcessMemory

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-07 20:55

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-07 20:55

Reported

2024-06-07 20:57

Platform

win11-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.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\kat4CE7.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 3920 set thread context of 2632 N/A C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe C:\Users\Admin\AppData\Local\Temp\kat4CE7.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\kat4CE7.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat4CE7.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat4CE7.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3920 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe C:\Users\Admin\AppData\Local\Temp\kat4CE7.tmp
PID 3920 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe C:\Users\Admin\AppData\Local\Temp\kat4CE7.tmp
PID 3920 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe C:\Users\Admin\AppData\Local\Temp\kat4CE7.tmp
PID 3920 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe C:\Users\Admin\AppData\Local\Temp\kat4CE7.tmp
PID 3920 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe C:\Users\Admin\AppData\Local\Temp\kat4CE7.tmp
PID 3920 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe C:\Users\Admin\AppData\Local\Temp\kat4CE7.tmp
PID 3920 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe C:\Users\Admin\AppData\Local\Temp\kat4CE7.tmp
PID 3920 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe C:\Users\Admin\AppData\Local\Temp\kat4CE7.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe

"C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe"

C:\Users\Admin\AppData\Local\Temp\kat4CE7.tmp

C:\Users\Admin\AppData\Local\Temp\kat4CE7.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 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 18.190.202.116.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.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

Files

memory/3920-0-0x00000000024D0000-0x00000000024D1000-memory.dmp

memory/3920-1-0x00000000040B0000-0x0000000004213000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat4CE7.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/2632-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2632-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3920-9-0x0000000000400000-0x000000000067A000-memory.dmp

memory/2632-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2632-15-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2632-16-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2632-19-0x00000000193C0000-0x000000001961F000-memory.dmp

memory/2632-33-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2632-34-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-07 20:55

Reported

2024-06-07 20:57

Platform

win10v2004-20240426-en

Max time kernel

94s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.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\kat3930.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 1040 set thread context of 4032 N/A C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe C:\Users\Admin\AppData\Local\Temp\kat3930.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\kat3930.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat3930.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat3930.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1040 wrote to memory of 4032 N/A C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe C:\Users\Admin\AppData\Local\Temp\kat3930.tmp
PID 1040 wrote to memory of 4032 N/A C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe C:\Users\Admin\AppData\Local\Temp\kat3930.tmp
PID 1040 wrote to memory of 4032 N/A C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe C:\Users\Admin\AppData\Local\Temp\kat3930.tmp
PID 1040 wrote to memory of 4032 N/A C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe C:\Users\Admin\AppData\Local\Temp\kat3930.tmp
PID 1040 wrote to memory of 4032 N/A C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe C:\Users\Admin\AppData\Local\Temp\kat3930.tmp
PID 1040 wrote to memory of 4032 N/A C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe C:\Users\Admin\AppData\Local\Temp\kat3930.tmp
PID 1040 wrote to memory of 4032 N/A C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe C:\Users\Admin\AppData\Local\Temp\kat3930.tmp
PID 1040 wrote to memory of 4032 N/A C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe C:\Users\Admin\AppData\Local\Temp\kat3930.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe

"C:\Users\Admin\AppData\Local\Temp\932d950e4913b797360f27d332d58d68b910df0691cf4ca1bc1d0a75a2c17776.exe"

C:\Users\Admin\AppData\Local\Temp\kat3930.tmp

C:\Users\Admin\AppData\Local\Temp\kat3930.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 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
DE 116.202.190.18:5432 tcp
US 8.8.8.8:53 18.190.202.116.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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
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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/1040-0-0x00000000023E0000-0x00000000023E1000-memory.dmp

memory/1040-1-0x0000000002A60000-0x0000000002BC3000-memory.dmp

memory/4032-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1040-9-0x0000000000400000-0x000000000067A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat3930.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/4032-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4032-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4032-13-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4032-14-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4032-16-0x000000001DBE0000-0x000000001DE3F000-memory.dmp

memory/4032-31-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4032-32-0x0000000000400000-0x0000000000648000-memory.dmp