Malware Analysis Report

2024-11-16 13:44

Sample ID 240607-hfgwbabc91
Target eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc
SHA256 eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc
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

eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc

Threat Level: Known bad

The file eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc 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

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-07 06:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-07 06:40

Reported

2024-06-07 06:43

Platform

win10v2004-20240426-en

Max time kernel

92s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.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\kat7C35.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 4292 set thread context of 3532 N/A C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe C:\Users\Admin\AppData\Local\Temp\kat7C35.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\kat7C35.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat7C35.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat7C35.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4292 wrote to memory of 3532 N/A C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe C:\Users\Admin\AppData\Local\Temp\kat7C35.tmp
PID 4292 wrote to memory of 3532 N/A C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe C:\Users\Admin\AppData\Local\Temp\kat7C35.tmp
PID 4292 wrote to memory of 3532 N/A C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe C:\Users\Admin\AppData\Local\Temp\kat7C35.tmp
PID 4292 wrote to memory of 3532 N/A C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe C:\Users\Admin\AppData\Local\Temp\kat7C35.tmp
PID 4292 wrote to memory of 3532 N/A C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe C:\Users\Admin\AppData\Local\Temp\kat7C35.tmp
PID 4292 wrote to memory of 3532 N/A C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe C:\Users\Admin\AppData\Local\Temp\kat7C35.tmp
PID 4292 wrote to memory of 3532 N/A C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe C:\Users\Admin\AppData\Local\Temp\kat7C35.tmp
PID 4292 wrote to memory of 3532 N/A C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe C:\Users\Admin\AppData\Local\Temp\kat7C35.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe

"C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe"

C:\Users\Admin\AppData\Local\Temp\kat7C35.tmp

C:\Users\Admin\AppData\Local\Temp\kat7C35.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 t.me udp
NL 149.154.167.99:443 t.me tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.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 68.159.190.20.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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp

Files

memory/4292-0-0x0000000002340000-0x0000000002341000-memory.dmp

memory/4292-1-0x0000000002AF0000-0x0000000002C56000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat7C35.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3532-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3532-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3532-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4292-10-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/3532-13-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3532-14-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3532-16-0x000000001DC10000-0x000000001DE6F000-memory.dmp

memory/3532-31-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3532-32-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-07 06:40

Reported

2024-06-07 06:43

Platform

win11-20240508-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.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\kat9710.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 4908 set thread context of 5012 N/A C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe C:\Users\Admin\AppData\Local\Temp\kat9710.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\kat9710.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat9710.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat9710.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4908 wrote to memory of 5012 N/A C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe C:\Users\Admin\AppData\Local\Temp\kat9710.tmp
PID 4908 wrote to memory of 5012 N/A C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe C:\Users\Admin\AppData\Local\Temp\kat9710.tmp
PID 4908 wrote to memory of 5012 N/A C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe C:\Users\Admin\AppData\Local\Temp\kat9710.tmp
PID 4908 wrote to memory of 5012 N/A C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe C:\Users\Admin\AppData\Local\Temp\kat9710.tmp
PID 4908 wrote to memory of 5012 N/A C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe C:\Users\Admin\AppData\Local\Temp\kat9710.tmp
PID 4908 wrote to memory of 5012 N/A C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe C:\Users\Admin\AppData\Local\Temp\kat9710.tmp
PID 4908 wrote to memory of 5012 N/A C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe C:\Users\Admin\AppData\Local\Temp\kat9710.tmp
PID 4908 wrote to memory of 5012 N/A C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe C:\Users\Admin\AppData\Local\Temp\kat9710.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe

"C:\Users\Admin\AppData\Local\Temp\eddccc8d0b53589906defe730a8f30a2ccdc0da0b3c72d3eaef1c9d55687cbcc.exe"

C:\Users\Admin\AppData\Local\Temp\kat9710.tmp

C:\Users\Admin\AppData\Local\Temp\kat9710.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 18.190.202.116.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.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 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
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

Files

memory/4908-0-0x0000000002450000-0x0000000002451000-memory.dmp

memory/4908-1-0x0000000002C50000-0x0000000002DB6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat9710.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/5012-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5012-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4908-9-0x0000000000400000-0x00000000006EF000-memory.dmp

memory/5012-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5012-13-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5012-14-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5012-16-0x000000001B7E0000-0x000000001BA3F000-memory.dmp

memory/5012-31-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5012-35-0x0000000000400000-0x0000000000648000-memory.dmp