Malware Analysis Report

2024-11-16 13:43

Sample ID 240608-p2yjhsbg7x
Target e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5
SHA256 e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5
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

e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5

Threat Level: Known bad

The file e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Vidar

Detect Vidar Stealer

Stealc

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

2024-06-08 12:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-08 12:50

Reported

2024-06-08 12:52

Platform

win10v2004-20240426-en

Max time kernel

93s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.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\kat399E.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 3924 set thread context of 404 N/A C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe C:\Users\Admin\AppData\Local\Temp\kat399E.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\kat399E.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat399E.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat399E.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3924 wrote to memory of 404 N/A C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe C:\Users\Admin\AppData\Local\Temp\kat399E.tmp
PID 3924 wrote to memory of 404 N/A C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe C:\Users\Admin\AppData\Local\Temp\kat399E.tmp
PID 3924 wrote to memory of 404 N/A C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe C:\Users\Admin\AppData\Local\Temp\kat399E.tmp
PID 3924 wrote to memory of 404 N/A C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe C:\Users\Admin\AppData\Local\Temp\kat399E.tmp
PID 3924 wrote to memory of 404 N/A C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe C:\Users\Admin\AppData\Local\Temp\kat399E.tmp
PID 3924 wrote to memory of 404 N/A C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe C:\Users\Admin\AppData\Local\Temp\kat399E.tmp
PID 3924 wrote to memory of 404 N/A C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe C:\Users\Admin\AppData\Local\Temp\kat399E.tmp
PID 3924 wrote to memory of 404 N/A C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe C:\Users\Admin\AppData\Local\Temp\kat399E.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe

"C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe"

C:\Users\Admin\AppData\Local\Temp\kat399E.tmp

C:\Users\Admin\AppData\Local\Temp\kat399E.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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
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
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 41.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.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
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
DE 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 52.111.227.11:443 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/3924-0-0x00000000007A0000-0x00000000007A1000-memory.dmp

memory/3924-1-0x0000000002AF0000-0x0000000002C53000-memory.dmp

memory/404-8-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat399E.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/404-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3924-9-0x0000000000400000-0x00000000005EE000-memory.dmp

memory/404-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/404-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/404-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/404-25-0x000000001B840000-0x000000001BA9F000-memory.dmp

memory/404-40-0x0000000000400000-0x0000000000648000-memory.dmp

memory/404-41-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-08 12:50

Reported

2024-06-08 12:52

Platform

win11-20240426-en

Max time kernel

91s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.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\kat5D04.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 1376 set thread context of 3636 N/A C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe C:\Users\Admin\AppData\Local\Temp\kat5D04.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\kat5D04.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat5D04.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat5D04.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1376 wrote to memory of 3636 N/A C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe C:\Users\Admin\AppData\Local\Temp\kat5D04.tmp
PID 1376 wrote to memory of 3636 N/A C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe C:\Users\Admin\AppData\Local\Temp\kat5D04.tmp
PID 1376 wrote to memory of 3636 N/A C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe C:\Users\Admin\AppData\Local\Temp\kat5D04.tmp
PID 1376 wrote to memory of 3636 N/A C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe C:\Users\Admin\AppData\Local\Temp\kat5D04.tmp
PID 1376 wrote to memory of 3636 N/A C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe C:\Users\Admin\AppData\Local\Temp\kat5D04.tmp
PID 1376 wrote to memory of 3636 N/A C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe C:\Users\Admin\AppData\Local\Temp\kat5D04.tmp
PID 1376 wrote to memory of 3636 N/A C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe C:\Users\Admin\AppData\Local\Temp\kat5D04.tmp
PID 1376 wrote to memory of 3636 N/A C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe C:\Users\Admin\AppData\Local\Temp\kat5D04.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe

"C:\Users\Admin\AppData\Local\Temp\e47d2288415d9c095e590c4579f2f73f48c8cf1ba0bad0b7f27d8c063509c2f5.exe"

C:\Users\Admin\AppData\Local\Temp\kat5D04.tmp

C:\Users\Admin\AppData\Local\Temp\kat5D04.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 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 18.190.202.116.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.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 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/1376-0-0x0000000002340000-0x0000000002341000-memory.dmp

memory/1376-2-0x0000000004040000-0x00000000041A3000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat5D04.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3636-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3636-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1376-9-0x0000000000400000-0x00000000005EE000-memory.dmp

memory/3636-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3636-15-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3636-16-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3636-18-0x0000000019380000-0x00000000195DF000-memory.dmp

memory/3636-33-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3636-34-0x0000000000400000-0x0000000000648000-memory.dmp