Malware Analysis Report

2024-11-13 14:28

Sample ID 240603-lwhpbsaf4v
Target 6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0
SHA256 6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0
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

6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0

Threat Level: Known bad

The file 6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0 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

2024-06-03 09:52

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 09:52

Reported

2024-06-03 09:55

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.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\kat6467.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 3008 set thread context of 1532 N/A C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe C:\Users\Admin\AppData\Local\Temp\kat6467.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\kat6467.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat6467.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat6467.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3008 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe C:\Users\Admin\AppData\Local\Temp\kat6467.tmp
PID 3008 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe C:\Users\Admin\AppData\Local\Temp\kat6467.tmp
PID 3008 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe C:\Users\Admin\AppData\Local\Temp\kat6467.tmp
PID 3008 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe C:\Users\Admin\AppData\Local\Temp\kat6467.tmp
PID 3008 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe C:\Users\Admin\AppData\Local\Temp\kat6467.tmp
PID 3008 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe C:\Users\Admin\AppData\Local\Temp\kat6467.tmp
PID 3008 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe C:\Users\Admin\AppData\Local\Temp\kat6467.tmp
PID 3008 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe C:\Users\Admin\AppData\Local\Temp\kat6467.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe

"C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe"

C:\Users\Admin\AppData\Local\Temp\kat6467.tmp

C:\Users\Admin\AppData\Local\Temp\kat6467.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
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 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 23.249.124.192.in-addr.arpa udp
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
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 28.118.140.52.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 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 14.173.189.20.in-addr.arpa udp

Files

memory/3008-0-0x0000000000860000-0x0000000000861000-memory.dmp

memory/3008-2-0x0000000002AB0000-0x0000000002BFC000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat6467.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3008-9-0x0000000000400000-0x00000000005CE000-memory.dmp

memory/1532-10-0x0000000000400000-0x0000000000649000-memory.dmp

memory/1532-8-0x0000000000400000-0x0000000000649000-memory.dmp

memory/1532-4-0x0000000000400000-0x0000000000649000-memory.dmp

memory/1532-22-0x0000000000400000-0x0000000000649000-memory.dmp

memory/1532-23-0x0000000000400000-0x0000000000649000-memory.dmp

memory/1532-25-0x000000001B7B0000-0x000000001BA0F000-memory.dmp

memory/1532-40-0x0000000000400000-0x0000000000649000-memory.dmp

memory/1532-41-0x0000000000400000-0x0000000000649000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 09:52

Reported

2024-06-03 09:55

Platform

win11-20240508-en

Max time kernel

90s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.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\kat5999.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 2400 set thread context of 900 N/A C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe C:\Users\Admin\AppData\Local\Temp\kat5999.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\kat5999.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat5999.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat5999.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2400 wrote to memory of 900 N/A C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe C:\Users\Admin\AppData\Local\Temp\kat5999.tmp
PID 2400 wrote to memory of 900 N/A C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe C:\Users\Admin\AppData\Local\Temp\kat5999.tmp
PID 2400 wrote to memory of 900 N/A C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe C:\Users\Admin\AppData\Local\Temp\kat5999.tmp
PID 2400 wrote to memory of 900 N/A C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe C:\Users\Admin\AppData\Local\Temp\kat5999.tmp
PID 2400 wrote to memory of 900 N/A C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe C:\Users\Admin\AppData\Local\Temp\kat5999.tmp
PID 2400 wrote to memory of 900 N/A C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe C:\Users\Admin\AppData\Local\Temp\kat5999.tmp
PID 2400 wrote to memory of 900 N/A C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe C:\Users\Admin\AppData\Local\Temp\kat5999.tmp
PID 2400 wrote to memory of 900 N/A C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe C:\Users\Admin\AppData\Local\Temp\kat5999.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe

"C:\Users\Admin\AppData\Local\Temp\6809db53ca187559d29ff8d2e1702a13251a343e1011f6df879562738e99b0c0.exe"

C:\Users\Admin\AppData\Local\Temp\kat5999.tmp

C:\Users\Admin\AppData\Local\Temp\kat5999.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
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 88.210.23.2.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
US 52.111.229.43:443 tcp

Files

memory/2400-0-0x0000000002320000-0x0000000002321000-memory.dmp

memory/2400-2-0x00000000040C0000-0x000000000420C000-memory.dmp

memory/900-4-0x0000000000400000-0x0000000000649000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat5999.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/900-10-0x0000000000400000-0x0000000000649000-memory.dmp

memory/2400-9-0x0000000000400000-0x00000000005CE000-memory.dmp

memory/900-8-0x0000000000400000-0x0000000000649000-memory.dmp

memory/900-15-0x0000000000400000-0x0000000000649000-memory.dmp

memory/900-16-0x0000000000400000-0x0000000000649000-memory.dmp

memory/900-18-0x0000000019380000-0x00000000195DF000-memory.dmp

memory/900-33-0x0000000000400000-0x0000000000649000-memory.dmp

memory/900-34-0x0000000000400000-0x0000000000649000-memory.dmp