Malware Analysis Report

2024-11-16 13:43

Sample ID 240607-vdmd8sbc6x
Target c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4
SHA256 c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4
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

c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4

Threat Level: Known bad

The file c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Stealc

Vidar

Detect Vidar Stealer

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

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-07 16:52

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-07 16:52

Reported

2024-06-07 16:55

Platform

win10v2004-20240426-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.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\kat351A.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 968 set thread context of 3980 N/A C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe C:\Users\Admin\AppData\Local\Temp\kat351A.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\kat351A.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat351A.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat351A.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 968 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe C:\Users\Admin\AppData\Local\Temp\kat351A.tmp
PID 968 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe C:\Users\Admin\AppData\Local\Temp\kat351A.tmp
PID 968 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe C:\Users\Admin\AppData\Local\Temp\kat351A.tmp
PID 968 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe C:\Users\Admin\AppData\Local\Temp\kat351A.tmp
PID 968 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe C:\Users\Admin\AppData\Local\Temp\kat351A.tmp
PID 968 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe C:\Users\Admin\AppData\Local\Temp\kat351A.tmp
PID 968 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe C:\Users\Admin\AppData\Local\Temp\kat351A.tmp
PID 968 wrote to memory of 3980 N/A C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe C:\Users\Admin\AppData\Local\Temp\kat351A.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe

"C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe"

C:\Users\Admin\AppData\Local\Temp\kat351A.tmp

C:\Users\Admin\AppData\Local\Temp\kat351A.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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 203.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 41.249.124.192.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 72.32.126.40.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
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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.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 43.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/968-0-0x0000000000980000-0x0000000000981000-memory.dmp

memory/968-2-0x0000000002BF0000-0x0000000002D53000-memory.dmp

memory/3980-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/968-9-0x0000000000400000-0x000000000067A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat351A.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3980-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3980-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3980-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3980-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3980-27-0x00000000284C0000-0x000000002871F000-memory.dmp

memory/3980-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3980-43-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-07 16:52

Reported

2024-06-07 16:55

Platform

win11-20240508-en

Max time kernel

89s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.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\kat4C8A.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 3412 set thread context of 424 N/A C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe C:\Users\Admin\AppData\Local\Temp\kat4C8A.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\kat4C8A.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3412 wrote to memory of 424 N/A C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp
PID 3412 wrote to memory of 424 N/A C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp
PID 3412 wrote to memory of 424 N/A C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp
PID 3412 wrote to memory of 424 N/A C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp
PID 3412 wrote to memory of 424 N/A C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp
PID 3412 wrote to memory of 424 N/A C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp
PID 3412 wrote to memory of 424 N/A C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp
PID 3412 wrote to memory of 424 N/A C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe

"C:\Users\Admin\AppData\Local\Temp\c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4.exe"

C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp

C:\Users\Admin\AppData\Local\Temp\kat4C8A.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 8.8.8.8:53 203.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 36.249.124.192.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
US 52.111.229.48:443 tcp

Files

memory/3412-0-0x00000000024E0000-0x00000000024E1000-memory.dmp

memory/3412-2-0x0000000004150000-0x00000000042B3000-memory.dmp

memory/424-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3412-9-0x0000000000400000-0x000000000067A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/424-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/424-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/424-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/424-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/424-27-0x000000001DD40000-0x000000001DF9F000-memory.dmp

memory/424-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/424-43-0x0000000000400000-0x0000000000648000-memory.dmp