Malware Analysis Report

2024-11-16 13:43

Sample ID 240608-kkpg3abd95
Target 5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c
SHA256 5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c
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

5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c

Threat Level: Known bad

The file 5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c 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 behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-08 08:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-08 08:39

Reported

2024-06-08 08:42

Platform

win10v2004-20240508-en

Max time kernel

91s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.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\kat53AE.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 2784 set thread context of 4692 N/A C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe C:\Users\Admin\AppData\Local\Temp\kat53AE.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\kat53AE.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat53AE.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat53AE.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2784 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe C:\Users\Admin\AppData\Local\Temp\kat53AE.tmp
PID 2784 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe C:\Users\Admin\AppData\Local\Temp\kat53AE.tmp
PID 2784 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe C:\Users\Admin\AppData\Local\Temp\kat53AE.tmp
PID 2784 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe C:\Users\Admin\AppData\Local\Temp\kat53AE.tmp
PID 2784 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe C:\Users\Admin\AppData\Local\Temp\kat53AE.tmp
PID 2784 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe C:\Users\Admin\AppData\Local\Temp\kat53AE.tmp
PID 2784 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe C:\Users\Admin\AppData\Local\Temp\kat53AE.tmp
PID 2784 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe C:\Users\Admin\AppData\Local\Temp\kat53AE.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe

"C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe"

C:\Users\Admin\AppData\Local\Temp\kat53AE.tmp

C:\Users\Admin\AppData\Local\Temp\kat53AE.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 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.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 22.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 18.190.202.116.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp

Files

memory/2784-0-0x0000000002510000-0x0000000002511000-memory.dmp

memory/2784-1-0x0000000002D00000-0x0000000002E63000-memory.dmp

memory/4692-4-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat53AE.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/2784-6-0x0000000000400000-0x000000000067A000-memory.dmp

memory/4692-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4692-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4692-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4692-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4692-25-0x000000001DC40000-0x000000001DE9F000-memory.dmp

memory/4692-40-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4692-41-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-08 08:39

Reported

2024-06-08 08:42

Platform

win11-20240426-en

Max time kernel

93s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.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\kat6D31.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 1088 set thread context of 908 N/A C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe C:\Users\Admin\AppData\Local\Temp\kat6D31.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\kat6D31.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1088 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp
PID 1088 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp
PID 1088 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp
PID 1088 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp
PID 1088 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp
PID 1088 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp
PID 1088 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp
PID 1088 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe

"C:\Users\Admin\AppData\Local\Temp\5394a413b5edabfbece0e7158e1867c5ad380c0308005f3fde0b29b69562735c.exe"

C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp

C:\Users\Admin\AppData\Local\Temp\kat6D31.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 8.8.8.8:53 144.107.17.2.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/1088-0-0x00000000024D0000-0x00000000024D1000-memory.dmp

memory/1088-1-0x0000000004130000-0x0000000004293000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat6D31.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1088-9-0x0000000000400000-0x000000000067A000-memory.dmp

memory/908-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/908-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/908-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/908-15-0x0000000000400000-0x0000000000648000-memory.dmp

memory/908-16-0x0000000000400000-0x0000000000648000-memory.dmp

memory/908-18-0x0000000019360000-0x00000000195BF000-memory.dmp

memory/908-33-0x0000000000400000-0x0000000000648000-memory.dmp

memory/908-34-0x0000000000400000-0x0000000000648000-memory.dmp