Malware Analysis Report

2024-11-16 13:43

Sample ID 240608-hgdv2shh3t
Target ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db
SHA256 ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db
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

ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db

Threat Level: Known bad

The file ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db 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

2024-06-08 06:42

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-08 06:42

Reported

2024-06-08 06:44

Platform

win10v2004-20240426-en

Max time kernel

94s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.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\kat35E5.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 1584 set thread context of 640 N/A C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe C:\Users\Admin\AppData\Local\Temp\kat35E5.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\kat35E5.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat35E5.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat35E5.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1584 wrote to memory of 640 N/A C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe C:\Users\Admin\AppData\Local\Temp\kat35E5.tmp
PID 1584 wrote to memory of 640 N/A C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe C:\Users\Admin\AppData\Local\Temp\kat35E5.tmp
PID 1584 wrote to memory of 640 N/A C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe C:\Users\Admin\AppData\Local\Temp\kat35E5.tmp
PID 1584 wrote to memory of 640 N/A C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe C:\Users\Admin\AppData\Local\Temp\kat35E5.tmp
PID 1584 wrote to memory of 640 N/A C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe C:\Users\Admin\AppData\Local\Temp\kat35E5.tmp
PID 1584 wrote to memory of 640 N/A C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe C:\Users\Admin\AppData\Local\Temp\kat35E5.tmp
PID 1584 wrote to memory of 640 N/A C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe C:\Users\Admin\AppData\Local\Temp\kat35E5.tmp
PID 1584 wrote to memory of 640 N/A C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe C:\Users\Admin\AppData\Local\Temp\kat35E5.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe

"C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe"

C:\Users\Admin\AppData\Local\Temp\kat35E5.tmp

C:\Users\Admin\AppData\Local\Temp\kat35E5.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 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 24.249.124.192.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 18.190.202.116.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/1584-0-0x00000000022D0000-0x00000000022D1000-memory.dmp

memory/1584-2-0x0000000003D30000-0x0000000003E93000-memory.dmp

memory/640-4-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat35E5.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1584-6-0x0000000000400000-0x000000000067A000-memory.dmp

memory/640-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/640-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/640-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/640-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/640-25-0x000000001B7B0000-0x000000001BA0F000-memory.dmp

memory/640-40-0x0000000000400000-0x0000000000648000-memory.dmp

memory/640-41-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-08 06:42

Reported

2024-06-08 06:44

Platform

win11-20240508-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.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\kat6C37.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 2444 set thread context of 1116 N/A C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe C:\Users\Admin\AppData\Local\Temp\kat6C37.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\kat6C37.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat6C37.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat6C37.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2444 wrote to memory of 1116 N/A C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe C:\Users\Admin\AppData\Local\Temp\kat6C37.tmp
PID 2444 wrote to memory of 1116 N/A C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe C:\Users\Admin\AppData\Local\Temp\kat6C37.tmp
PID 2444 wrote to memory of 1116 N/A C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe C:\Users\Admin\AppData\Local\Temp\kat6C37.tmp
PID 2444 wrote to memory of 1116 N/A C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe C:\Users\Admin\AppData\Local\Temp\kat6C37.tmp
PID 2444 wrote to memory of 1116 N/A C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe C:\Users\Admin\AppData\Local\Temp\kat6C37.tmp
PID 2444 wrote to memory of 1116 N/A C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe C:\Users\Admin\AppData\Local\Temp\kat6C37.tmp
PID 2444 wrote to memory of 1116 N/A C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe C:\Users\Admin\AppData\Local\Temp\kat6C37.tmp
PID 2444 wrote to memory of 1116 N/A C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe C:\Users\Admin\AppData\Local\Temp\kat6C37.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe

"C:\Users\Admin\AppData\Local\Temp\ec5355ef0f0c83d2fa684feb1399ee9ca86c3d2fe31af06f3222704d308242db.exe"

C:\Users\Admin\AppData\Local\Temp\kat6C37.tmp

C:\Users\Admin\AppData\Local\Temp\kat6C37.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 8.8.8.8:53 203.107.17.2.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
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 52.111.227.14:443 tcp

Files

memory/2444-0-0x00000000024B0000-0x00000000024B1000-memory.dmp

memory/2444-1-0x0000000002BE0000-0x0000000002D43000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat6C37.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1116-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2444-10-0x0000000000400000-0x000000000067A000-memory.dmp

memory/1116-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1116-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1116-15-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1116-16-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1116-19-0x0000000019380000-0x00000000195DF000-memory.dmp

memory/1116-33-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1116-34-0x0000000000400000-0x0000000000648000-memory.dmp