Malware Analysis Report

2024-11-30 07:50

Sample ID 240603-gm2zdsdh7w
Target 0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754
SHA256 0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754
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

0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754

Threat Level: Known bad

The file 0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754 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

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-03 05:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 05:56

Reported

2024-06-03 05:58

Platform

win10v2004-20240426-en

Max time kernel

134s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.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\kat6BF8.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 3444 set thread context of 3912 N/A C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe C:\Users\Admin\AppData\Local\Temp\kat6BF8.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\kat6BF8.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3444 wrote to memory of 3912 N/A C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp
PID 3444 wrote to memory of 3912 N/A C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp
PID 3444 wrote to memory of 3912 N/A C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp
PID 3444 wrote to memory of 3912 N/A C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp
PID 3444 wrote to memory of 3912 N/A C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp
PID 3444 wrote to memory of 3912 N/A C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp
PID 3444 wrote to memory of 3912 N/A C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp
PID 3444 wrote to memory of 3912 N/A C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe

"C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe"

C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp

C:\Users\Admin\AppData\Local\Temp\kat6BF8.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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
DE 49.13.158.245:5432 49.13.158.245 tcp
US 8.8.8.8:53 36.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 245.158.13.49.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 41.173.79.40.in-addr.arpa udp

Files

memory/3444-0-0x0000000000720000-0x0000000000721000-memory.dmp

memory/3444-1-0x0000000002A80000-0x0000000002BCC000-memory.dmp

memory/3912-8-0x0000000000400000-0x0000000000649000-memory.dmp

memory/3912-10-0x0000000000400000-0x0000000000649000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat6BF8.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3912-4-0x0000000000400000-0x0000000000649000-memory.dmp

memory/3444-9-0x0000000000400000-0x0000000000663000-memory.dmp

memory/3912-22-0x0000000000400000-0x0000000000649000-memory.dmp

memory/3912-23-0x0000000000400000-0x0000000000649000-memory.dmp

memory/3912-25-0x000000001B850000-0x000000001BAAF000-memory.dmp

memory/3912-40-0x0000000000400000-0x0000000000649000-memory.dmp

memory/3912-41-0x0000000000400000-0x0000000000649000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 05:56

Reported

2024-06-03 05:58

Platform

win11-20240426-en

Max time kernel

91s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.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\kat51AA.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 2036 set thread context of 908 N/A C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe C:\Users\Admin\AppData\Local\Temp\kat51AA.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\kat51AA.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat51AA.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat51AA.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2036 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe C:\Users\Admin\AppData\Local\Temp\kat51AA.tmp
PID 2036 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe C:\Users\Admin\AppData\Local\Temp\kat51AA.tmp
PID 2036 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe C:\Users\Admin\AppData\Local\Temp\kat51AA.tmp
PID 2036 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe C:\Users\Admin\AppData\Local\Temp\kat51AA.tmp
PID 2036 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe C:\Users\Admin\AppData\Local\Temp\kat51AA.tmp
PID 2036 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe C:\Users\Admin\AppData\Local\Temp\kat51AA.tmp
PID 2036 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe C:\Users\Admin\AppData\Local\Temp\kat51AA.tmp
PID 2036 wrote to memory of 908 N/A C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe C:\Users\Admin\AppData\Local\Temp\kat51AA.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe

"C:\Users\Admin\AppData\Local\Temp\0a7020c582d0380a63dccd85cc49b68f3748ae55e6f35abb01b9f4bc8e0a6754.exe"

C:\Users\Admin\AppData\Local\Temp\kat51AA.tmp

C:\Users\Admin\AppData\Local\Temp\kat51AA.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 49.13.158.245:5432 49.13.158.245 tcp
US 8.8.8.8:53 245.158.13.49.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp
DE 49.13.158.245:5432 49.13.158.245 tcp

Files

memory/2036-0-0x0000000000920000-0x0000000000921000-memory.dmp

memory/2036-2-0x0000000004140000-0x000000000428C000-memory.dmp

memory/908-4-0x0000000000400000-0x0000000000649000-memory.dmp

memory/908-9-0x0000000000400000-0x0000000000649000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat51AA.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/908-8-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2036-10-0x0000000000400000-0x0000000000663000-memory.dmp

memory/908-15-0x0000000000400000-0x0000000000649000-memory.dmp

memory/908-16-0x0000000000400000-0x0000000000649000-memory.dmp

memory/908-19-0x0000000019370000-0x00000000195CF000-memory.dmp

memory/908-33-0x0000000000400000-0x0000000000649000-memory.dmp

memory/908-34-0x0000000000400000-0x0000000000649000-memory.dmp