Malware Analysis Report

2024-11-16 13:43

Sample ID 240607-xt1ynscc6t
Target add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4
SHA256 add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4
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

add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4

Threat Level: Known bad

The file add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4 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

Checks processor information in registry

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-07 19:09

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-07 19:09

Reported

2024-06-07 19:12

Platform

win11-20240426-en

Max time kernel

146s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.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 236 set thread context of 2464 N/A C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe C:\Users\Admin\AppData\Local\Temp\kat536F.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\kat536F.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat536F.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat536F.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 236 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe C:\Users\Admin\AppData\Local\Temp\kat536F.tmp
PID 236 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe C:\Users\Admin\AppData\Local\Temp\kat536F.tmp
PID 236 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe C:\Users\Admin\AppData\Local\Temp\kat536F.tmp
PID 236 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe C:\Users\Admin\AppData\Local\Temp\kat536F.tmp
PID 236 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe C:\Users\Admin\AppData\Local\Temp\kat536F.tmp
PID 236 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe C:\Users\Admin\AppData\Local\Temp\kat536F.tmp
PID 236 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe C:\Users\Admin\AppData\Local\Temp\kat536F.tmp
PID 236 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe C:\Users\Admin\AppData\Local\Temp\kat536F.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe

"C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.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 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
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/236-0-0x00000000023E0000-0x00000000023E1000-memory.dmp

memory/236-2-0x00000000040D0000-0x0000000004233000-memory.dmp

memory/2464-4-0x0000000000400000-0x0000000000648000-memory.dmp

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

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/2464-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2464-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/236-9-0x0000000000400000-0x000000000067A000-memory.dmp

memory/2464-15-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2464-16-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2464-18-0x000000001B870000-0x000000001BACF000-memory.dmp

memory/2464-33-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2464-34-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-07 19:09

Reported

2024-06-07 19:12

Platform

win10v2004-20240426-en

Max time kernel

94s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.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\kat3289.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 624 set thread context of 5028 N/A C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe C:\Users\Admin\AppData\Local\Temp\kat3289.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\kat3289.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat3289.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat3289.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 624 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe C:\Users\Admin\AppData\Local\Temp\kat3289.tmp
PID 624 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe C:\Users\Admin\AppData\Local\Temp\kat3289.tmp
PID 624 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe C:\Users\Admin\AppData\Local\Temp\kat3289.tmp
PID 624 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe C:\Users\Admin\AppData\Local\Temp\kat3289.tmp
PID 624 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe C:\Users\Admin\AppData\Local\Temp\kat3289.tmp
PID 624 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe C:\Users\Admin\AppData\Local\Temp\kat3289.tmp
PID 624 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe C:\Users\Admin\AppData\Local\Temp\kat3289.tmp
PID 624 wrote to memory of 5028 N/A C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe C:\Users\Admin\AppData\Local\Temp\kat3289.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe

"C:\Users\Admin\AppData\Local\Temp\add786485fc8675163fb20e77a908a73fb70f80bc1661cf88dcbf0b73c97fda4.exe"

C:\Users\Admin\AppData\Local\Temp\kat3289.tmp

C:\Users\Admin\AppData\Local\Temp\kat3289.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 t.me udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 43.43.201.23.in-addr.arpa udp
NL 149.154.167.99:443 t.me 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 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 18.190.202.116.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
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 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 89.43.201.23.in-addr.arpa udp
US 8.8.8.8:53 98.251.17.2.in-addr.arpa udp

Files

memory/624-0-0x00000000022D0000-0x00000000022D1000-memory.dmp

memory/624-2-0x0000000003DE0000-0x0000000003F43000-memory.dmp

memory/5028-4-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat3289.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/5028-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/624-9-0x0000000000400000-0x000000000067A000-memory.dmp

memory/5028-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5028-13-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5028-14-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5028-16-0x000000001B760000-0x000000001B9BF000-memory.dmp

memory/5028-31-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5028-32-0x0000000000400000-0x0000000000648000-memory.dmp