Malware Analysis Report

2024-11-16 13:48

Sample ID 240629-jcm4latckc
Target 8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162
SHA256 8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162
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

8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162

Threat Level: Known bad

The file 8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162 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

2024-06-29 07:31

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-29 07:31

Reported

2024-06-29 07:34

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.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\kat6830.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 820 set thread context of 5076 N/A C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe C:\Users\Admin\AppData\Local\Temp\kat6830.tmp

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\kat6830.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat6830.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 820 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe C:\Users\Admin\AppData\Local\Temp\kat6830.tmp
PID 820 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe C:\Users\Admin\AppData\Local\Temp\kat6830.tmp
PID 820 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe C:\Users\Admin\AppData\Local\Temp\kat6830.tmp
PID 820 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe C:\Users\Admin\AppData\Local\Temp\kat6830.tmp
PID 820 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe C:\Users\Admin\AppData\Local\Temp\kat6830.tmp
PID 820 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe C:\Users\Admin\AppData\Local\Temp\kat6830.tmp
PID 820 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe C:\Users\Admin\AppData\Local\Temp\kat6830.tmp
PID 820 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe C:\Users\Admin\AppData\Local\Temp\kat6830.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe

"C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe"

C:\Users\Admin\AppData\Local\Temp\kat6830.tmp

C:\Users\Admin\AppData\Local\Temp\kat6830.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 t.me udp
NL 149.154.167.99:443 t.me tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
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
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 214.251.201.195.in-addr.arpa udp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 24.73.42.20.in-addr.arpa udp

Files

memory/820-0-0x00000000007F0000-0x00000000007F1000-memory.dmp

memory/820-1-0x0000000003FD0000-0x00000000040E0000-memory.dmp

memory/5076-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5076-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/820-10-0x0000000000400000-0x0000000000635000-memory.dmp

memory/5076-9-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat6830.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/5076-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5076-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5076-26-0x0000000022710000-0x000000002296F000-memory.dmp

memory/5076-40-0x0000000000400000-0x0000000000648000-memory.dmp

memory/5076-41-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-29 07:31

Reported

2024-06-29 07:34

Platform

win11-20240508-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.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\kat68DC.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 2072 set thread context of 244 N/A C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe C:\Users\Admin\AppData\Local\Temp\kat68DC.tmp

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\kat68DC.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat68DC.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2072 wrote to memory of 244 N/A C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe C:\Users\Admin\AppData\Local\Temp\kat68DC.tmp
PID 2072 wrote to memory of 244 N/A C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe C:\Users\Admin\AppData\Local\Temp\kat68DC.tmp
PID 2072 wrote to memory of 244 N/A C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe C:\Users\Admin\AppData\Local\Temp\kat68DC.tmp
PID 2072 wrote to memory of 244 N/A C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe C:\Users\Admin\AppData\Local\Temp\kat68DC.tmp
PID 2072 wrote to memory of 244 N/A C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe C:\Users\Admin\AppData\Local\Temp\kat68DC.tmp
PID 2072 wrote to memory of 244 N/A C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe C:\Users\Admin\AppData\Local\Temp\kat68DC.tmp
PID 2072 wrote to memory of 244 N/A C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe C:\Users\Admin\AppData\Local\Temp\kat68DC.tmp
PID 2072 wrote to memory of 244 N/A C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe C:\Users\Admin\AppData\Local\Temp\kat68DC.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe

"C:\Users\Admin\AppData\Local\Temp\8a0236d46ae4a1ba75c72d05c336346fd34e4c26b091e9170781d799675e7162.exe"

C:\Users\Admin\AppData\Local\Temp\kat68DC.tmp

C:\Users\Admin\AppData\Local\Temp\kat68DC.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 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 24.249.124.192.in-addr.arpa udp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp

Files

memory/2072-0-0x00000000024A0000-0x00000000024A1000-memory.dmp

memory/2072-2-0x0000000004070000-0x0000000004180000-memory.dmp

memory/244-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/244-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2072-10-0x0000000000400000-0x0000000000635000-memory.dmp

memory/244-9-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat68DC.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/244-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/244-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/244-27-0x0000000022740000-0x000000002299F000-memory.dmp

memory/244-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/244-43-0x0000000000400000-0x0000000000648000-memory.dmp