Malware Analysis Report

2024-11-16 13:43

Sample ID 240608-ek4zvsgg4w
Target c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8
SHA256 c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8
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

c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8

Threat Level: Known bad

The file c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Detect Vidar Stealer

Stealc

Vidar

Downloads MZ/PE file

Reads user/profile data of web browsers

Executes dropped EXE

Checks installed software on the system

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-08 04:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-08 04:00

Reported

2024-06-08 04:03

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat6E5A.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 980 set thread context of 4444 N/A C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe C:\Users\Admin\AppData\Local\Temp\kat6E5A.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\kat6E5A.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat6E5A.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat6E5A.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 980 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe C:\Users\Admin\AppData\Local\Temp\kat6E5A.tmp
PID 980 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe C:\Users\Admin\AppData\Local\Temp\kat6E5A.tmp
PID 980 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe C:\Users\Admin\AppData\Local\Temp\kat6E5A.tmp
PID 980 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe C:\Users\Admin\AppData\Local\Temp\kat6E5A.tmp
PID 980 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe C:\Users\Admin\AppData\Local\Temp\kat6E5A.tmp
PID 980 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe C:\Users\Admin\AppData\Local\Temp\kat6E5A.tmp
PID 980 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe C:\Users\Admin\AppData\Local\Temp\kat6E5A.tmp
PID 980 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe C:\Users\Admin\AppData\Local\Temp\kat6E5A.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe

"C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe"

C:\Users\Admin\AppData\Local\Temp\kat6E5A.tmp

C:\Users\Admin\AppData\Local\Temp\kat6E5A.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.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 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
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
US 8.8.8.8:53 0.159.190.20.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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 27.178.89.13.in-addr.arpa udp

Files

memory/980-0-0x0000000000800000-0x0000000000801000-memory.dmp

memory/980-3-0x0000000002B30000-0x0000000002C93000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat6E5A.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/4444-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/980-9-0x0000000000400000-0x000000000067A000-memory.dmp

memory/4444-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4444-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4444-13-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4444-14-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4444-16-0x000000001B7D0000-0x000000001BA2F000-memory.dmp

memory/4444-31-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4444-32-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-08 04:00

Reported

2024-06-08 04:03

Platform

win11-20240508-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.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\kat72DE.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 1272 set thread context of 3180 N/A C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe C:\Users\Admin\AppData\Local\Temp\kat72DE.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\kat72DE.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat72DE.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat72DE.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1272 wrote to memory of 3180 N/A C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe C:\Users\Admin\AppData\Local\Temp\kat72DE.tmp
PID 1272 wrote to memory of 3180 N/A C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe C:\Users\Admin\AppData\Local\Temp\kat72DE.tmp
PID 1272 wrote to memory of 3180 N/A C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe C:\Users\Admin\AppData\Local\Temp\kat72DE.tmp
PID 1272 wrote to memory of 3180 N/A C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe C:\Users\Admin\AppData\Local\Temp\kat72DE.tmp
PID 1272 wrote to memory of 3180 N/A C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe C:\Users\Admin\AppData\Local\Temp\kat72DE.tmp
PID 1272 wrote to memory of 3180 N/A C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe C:\Users\Admin\AppData\Local\Temp\kat72DE.tmp
PID 1272 wrote to memory of 3180 N/A C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe C:\Users\Admin\AppData\Local\Temp\kat72DE.tmp
PID 1272 wrote to memory of 3180 N/A C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe C:\Users\Admin\AppData\Local\Temp\kat72DE.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe

"C:\Users\Admin\AppData\Local\Temp\c5616c570e330c9ed9ef69cc8c7626368c64512404e38ec4a07dec18673b6ea8.exe"

C:\Users\Admin\AppData\Local\Temp\kat72DE.tmp

C:\Users\Admin\AppData\Local\Temp\kat72DE.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
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/1272-0-0x0000000000930000-0x0000000000931000-memory.dmp

memory/1272-2-0x0000000002CC0000-0x0000000002E23000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat72DE.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3180-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1272-10-0x0000000000400000-0x000000000067A000-memory.dmp

memory/3180-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3180-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3180-15-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3180-16-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3180-18-0x000000001B7D0000-0x000000001BA2F000-memory.dmp

memory/3180-33-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3180-34-0x0000000000400000-0x0000000000648000-memory.dmp