Malware Analysis Report

2024-11-16 13:44

Sample ID 240607-lhe2aaec2y
Target 07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234
SHA256 07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234
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

07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234

Threat Level: Known bad

The file 07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Vidar

Detect Vidar Stealer

Stealc

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

2024-06-07 09:31

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-07 09:31

Reported

2024-06-07 09:34

Platform

win10v2004-20240508-en

Max time kernel

129s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.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\kat5A45.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 2520 set thread context of 4572 N/A C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe C:\Users\Admin\AppData\Local\Temp\kat5A45.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\kat5A45.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat5A45.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat5A45.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2520 wrote to memory of 4572 N/A C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe C:\Users\Admin\AppData\Local\Temp\kat5A45.tmp
PID 2520 wrote to memory of 4572 N/A C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe C:\Users\Admin\AppData\Local\Temp\kat5A45.tmp
PID 2520 wrote to memory of 4572 N/A C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe C:\Users\Admin\AppData\Local\Temp\kat5A45.tmp
PID 2520 wrote to memory of 4572 N/A C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe C:\Users\Admin\AppData\Local\Temp\kat5A45.tmp
PID 2520 wrote to memory of 4572 N/A C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe C:\Users\Admin\AppData\Local\Temp\kat5A45.tmp
PID 2520 wrote to memory of 4572 N/A C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe C:\Users\Admin\AppData\Local\Temp\kat5A45.tmp
PID 2520 wrote to memory of 4572 N/A C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe C:\Users\Admin\AppData\Local\Temp\kat5A45.tmp
PID 2520 wrote to memory of 4572 N/A C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe C:\Users\Admin\AppData\Local\Temp\kat5A45.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe

"C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe"

C:\Users\Admin\AppData\Local\Temp\kat5A45.tmp

C:\Users\Admin\AppData\Local\Temp\kat5A45.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 69.31.126.40.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
DE 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
DE 116.202.190.18:5432 116.202.190.18 tcp
NL 23.62.61.123:443 www.bing.com tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
DE 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 123.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 31.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp

Files

memory/2520-0-0x00000000023E0000-0x00000000023E1000-memory.dmp

memory/2520-1-0x0000000002A70000-0x0000000002BD3000-memory.dmp

memory/4572-4-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat5A45.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/4572-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4572-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2520-6-0x0000000000400000-0x000000000067A000-memory.dmp

memory/4572-13-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4572-14-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4572-17-0x000000001B7D0000-0x000000001BA2F000-memory.dmp

memory/4572-31-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4572-32-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-07 09:31

Reported

2024-06-07 09:34

Platform

win11-20240508-en

Max time kernel

146s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.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\kat71E4.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 1060 set thread context of 1028 N/A C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe C:\Users\Admin\AppData\Local\Temp\kat71E4.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\kat71E4.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat71E4.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat71E4.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1060 wrote to memory of 1028 N/A C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe C:\Users\Admin\AppData\Local\Temp\kat71E4.tmp
PID 1060 wrote to memory of 1028 N/A C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe C:\Users\Admin\AppData\Local\Temp\kat71E4.tmp
PID 1060 wrote to memory of 1028 N/A C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe C:\Users\Admin\AppData\Local\Temp\kat71E4.tmp
PID 1060 wrote to memory of 1028 N/A C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe C:\Users\Admin\AppData\Local\Temp\kat71E4.tmp
PID 1060 wrote to memory of 1028 N/A C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe C:\Users\Admin\AppData\Local\Temp\kat71E4.tmp
PID 1060 wrote to memory of 1028 N/A C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe C:\Users\Admin\AppData\Local\Temp\kat71E4.tmp
PID 1060 wrote to memory of 1028 N/A C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe C:\Users\Admin\AppData\Local\Temp\kat71E4.tmp
PID 1060 wrote to memory of 1028 N/A C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe C:\Users\Admin\AppData\Local\Temp\kat71E4.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe

"C:\Users\Admin\AppData\Local\Temp\07de47a4f3fafa4b4b3079204fe31829700d5970d66aced6fb7a55c6a50b6234.exe"

C:\Users\Admin\AppData\Local\Temp\kat71E4.tmp

C:\Users\Admin\AppData\Local\Temp\kat71E4.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 22.160.190.20.in-addr.arpa udp
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
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/1060-0-0x0000000000850000-0x0000000000851000-memory.dmp

memory/1060-2-0x0000000002BD0000-0x0000000002D33000-memory.dmp

memory/1028-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1028-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1028-9-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat71E4.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1060-10-0x0000000000400000-0x000000000067A000-memory.dmp

memory/1028-13-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1028-14-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1028-17-0x000000001B7E0000-0x000000001BA3F000-memory.dmp

memory/1028-31-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1028-32-0x0000000000400000-0x0000000000648000-memory.dmp