Malware Analysis Report

2024-11-16 13:43

Sample ID 240608-dagadagg45
Target 716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5
SHA256 716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5
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

716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5

Threat Level: Known bad

The file 716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5 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

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-08 02:48

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-08 02:48

Reported

2024-06-08 02:50

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.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\kat610C.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 4604 set thread context of 3104 N/A C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe C:\Users\Admin\AppData\Local\Temp\kat610C.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\kat610C.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat610C.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat610C.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4604 wrote to memory of 3104 N/A C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe C:\Users\Admin\AppData\Local\Temp\kat610C.tmp
PID 4604 wrote to memory of 3104 N/A C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe C:\Users\Admin\AppData\Local\Temp\kat610C.tmp
PID 4604 wrote to memory of 3104 N/A C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe C:\Users\Admin\AppData\Local\Temp\kat610C.tmp
PID 4604 wrote to memory of 3104 N/A C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe C:\Users\Admin\AppData\Local\Temp\kat610C.tmp
PID 4604 wrote to memory of 3104 N/A C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe C:\Users\Admin\AppData\Local\Temp\kat610C.tmp
PID 4604 wrote to memory of 3104 N/A C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe C:\Users\Admin\AppData\Local\Temp\kat610C.tmp
PID 4604 wrote to memory of 3104 N/A C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe C:\Users\Admin\AppData\Local\Temp\kat610C.tmp
PID 4604 wrote to memory of 3104 N/A C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe C:\Users\Admin\AppData\Local\Temp\kat610C.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe

"C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe"

C:\Users\Admin\AppData\Local\Temp\kat610C.tmp

C:\Users\Admin\AppData\Local\Temp\kat610C.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
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 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 22.249.124.192.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
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
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 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
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 252.15.104.51.in-addr.arpa udp

Files

memory/4604-0-0x00000000022D0000-0x00000000022D1000-memory.dmp

memory/4604-1-0x0000000004150000-0x00000000042B3000-memory.dmp

memory/3104-4-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat610C.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3104-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4604-9-0x0000000000400000-0x000000000067A000-memory.dmp

memory/3104-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3104-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3104-24-0x000000001B7A0000-0x000000001B9FF000-memory.dmp

memory/3104-34-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3104-40-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3104-41-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-08 02:48

Reported

2024-06-08 02:50

Platform

win11-20240426-en

Max time kernel

90s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.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\kat398E.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 3876 set thread context of 3620 N/A C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe C:\Users\Admin\AppData\Local\Temp\kat398E.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\kat398E.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat398E.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat398E.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3876 wrote to memory of 3620 N/A C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe C:\Users\Admin\AppData\Local\Temp\kat398E.tmp
PID 3876 wrote to memory of 3620 N/A C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe C:\Users\Admin\AppData\Local\Temp\kat398E.tmp
PID 3876 wrote to memory of 3620 N/A C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe C:\Users\Admin\AppData\Local\Temp\kat398E.tmp
PID 3876 wrote to memory of 3620 N/A C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe C:\Users\Admin\AppData\Local\Temp\kat398E.tmp
PID 3876 wrote to memory of 3620 N/A C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe C:\Users\Admin\AppData\Local\Temp\kat398E.tmp
PID 3876 wrote to memory of 3620 N/A C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe C:\Users\Admin\AppData\Local\Temp\kat398E.tmp
PID 3876 wrote to memory of 3620 N/A C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe C:\Users\Admin\AppData\Local\Temp\kat398E.tmp
PID 3876 wrote to memory of 3620 N/A C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe C:\Users\Admin\AppData\Local\Temp\kat398E.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe

"C:\Users\Admin\AppData\Local\Temp\716534a2375d287e289b477b3ba0a92b857e6a82df41b888b47df961ae1feee5.exe"

C:\Users\Admin\AppData\Local\Temp\kat398E.tmp

C:\Users\Admin\AppData\Local\Temp\kat398E.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.249.124.192.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
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/3876-0-0x00000000023D0000-0x00000000023D1000-memory.dmp

memory/3876-2-0x0000000004190000-0x00000000042F3000-memory.dmp

memory/3620-4-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat398E.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3620-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3620-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3876-9-0x0000000000400000-0x000000000067A000-memory.dmp

memory/3620-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3620-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3620-27-0x000000001B870000-0x000000001BACF000-memory.dmp

memory/3620-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3620-43-0x0000000000400000-0x0000000000648000-memory.dmp