Malware Analysis Report

2024-11-16 13:43

Sample ID 240607-p13rvagc3y
Target 196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8
SHA256 196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8
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

196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8

Threat Level: Known bad

The file 196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Detect Vidar Stealer

Stealc

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

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-07 12:48

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-07 12:48

Reported

2024-06-07 12:51

Platform

win11-20240426-en

Max time kernel

91s

Max time network

99s

Command Line

"C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.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\kat43A0.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 3812 set thread context of 1500 N/A C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe C:\Users\Admin\AppData\Local\Temp\kat43A0.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\kat43A0.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat43A0.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat43A0.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3812 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe C:\Users\Admin\AppData\Local\Temp\kat43A0.tmp
PID 3812 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe C:\Users\Admin\AppData\Local\Temp\kat43A0.tmp
PID 3812 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe C:\Users\Admin\AppData\Local\Temp\kat43A0.tmp
PID 3812 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe C:\Users\Admin\AppData\Local\Temp\kat43A0.tmp
PID 3812 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe C:\Users\Admin\AppData\Local\Temp\kat43A0.tmp
PID 3812 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe C:\Users\Admin\AppData\Local\Temp\kat43A0.tmp
PID 3812 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe C:\Users\Admin\AppData\Local\Temp\kat43A0.tmp
PID 3812 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe C:\Users\Admin\AppData\Local\Temp\kat43A0.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe

"C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe"

C:\Users\Admin\AppData\Local\Temp\kat43A0.tmp

C:\Users\Admin\AppData\Local\Temp\kat43A0.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 8.8.8.8:53 172.210.232.199.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 52.111.229.19:443 tcp

Files

memory/3812-0-0x0000000000930000-0x0000000000931000-memory.dmp

memory/3812-2-0x00000000041B0000-0x0000000004313000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat43A0.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1500-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1500-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1500-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3812-9-0x0000000000400000-0x000000000067A000-memory.dmp

memory/1500-15-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1500-16-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1500-18-0x00000000193E0000-0x000000001963F000-memory.dmp

memory/1500-33-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1500-34-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-07 12:48

Reported

2024-06-07 12:51

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.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\katE753.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 4840 set thread context of 4828 N/A C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe C:\Users\Admin\AppData\Local\Temp\katE753.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\katE753.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\katE753.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\katE753.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4840 wrote to memory of 4828 N/A C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe C:\Users\Admin\AppData\Local\Temp\katE753.tmp
PID 4840 wrote to memory of 4828 N/A C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe C:\Users\Admin\AppData\Local\Temp\katE753.tmp
PID 4840 wrote to memory of 4828 N/A C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe C:\Users\Admin\AppData\Local\Temp\katE753.tmp
PID 4840 wrote to memory of 4828 N/A C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe C:\Users\Admin\AppData\Local\Temp\katE753.tmp
PID 4840 wrote to memory of 4828 N/A C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe C:\Users\Admin\AppData\Local\Temp\katE753.tmp
PID 4840 wrote to memory of 4828 N/A C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe C:\Users\Admin\AppData\Local\Temp\katE753.tmp
PID 4840 wrote to memory of 4828 N/A C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe C:\Users\Admin\AppData\Local\Temp\katE753.tmp
PID 4840 wrote to memory of 4828 N/A C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe C:\Users\Admin\AppData\Local\Temp\katE753.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe

"C:\Users\Admin\AppData\Local\Temp\196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8.exe"

C:\Users\Admin\AppData\Local\Temp\katE753.tmp

C:\Users\Admin\AppData\Local\Temp\katE753.tmp

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3644 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 183.142.211.20.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 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.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
US 8.8.8.8:53 67.31.126.40.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
US 8.8.8.8:53 95.221.229.192.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
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 164.189.21.2.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
GB 142.250.187.234:443 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 11.179.89.13.in-addr.arpa udp

Files

memory/4840-0-0x0000000000870000-0x0000000000871000-memory.dmp

memory/4840-1-0x0000000004290000-0x00000000043F3000-memory.dmp

memory/4828-4-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\katE753.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/4828-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4840-9-0x0000000000400000-0x000000000067A000-memory.dmp

memory/4828-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4828-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4828-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4828-25-0x000000001DC00000-0x000000001DE5F000-memory.dmp

memory/4828-40-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4828-41-0x0000000000400000-0x0000000000648000-memory.dmp