Malware Analysis Report

2024-11-16 13:45

Sample ID 240628-k72qxa1gnh
Target 0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df
SHA256 0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df
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

0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df

Threat Level: Known bad

The file 0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df 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

2024-06-28 09:15

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-28 09:15

Reported

2024-06-28 09:17

Platform

win10v2004-20240611-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.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\kat3885.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 4396 set thread context of 904 N/A C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe C:\Users\Admin\AppData\Local\Temp\kat3885.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\kat3885.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat3885.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4396 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe C:\Users\Admin\AppData\Local\Temp\kat3885.tmp
PID 4396 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe C:\Users\Admin\AppData\Local\Temp\kat3885.tmp
PID 4396 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe C:\Users\Admin\AppData\Local\Temp\kat3885.tmp
PID 4396 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe C:\Users\Admin\AppData\Local\Temp\kat3885.tmp
PID 4396 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe C:\Users\Admin\AppData\Local\Temp\kat3885.tmp
PID 4396 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe C:\Users\Admin\AppData\Local\Temp\kat3885.tmp
PID 4396 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe C:\Users\Admin\AppData\Local\Temp\kat3885.tmp
PID 4396 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe C:\Users\Admin\AppData\Local\Temp\kat3885.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe

"C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe"

C:\Users\Admin\AppData\Local\Temp\kat3885.tmp

C:\Users\Admin\AppData\Local\Temp\kat3885.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
BE 88.221.83.209:443 www.bing.com tcp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 209.83.221.88.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 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 22.249.124.192.in-addr.arpa udp
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 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
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/4396-0-0x0000000000840000-0x0000000000841000-memory.dmp

memory/4396-1-0x00000000029E0000-0x0000000002AF0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat3885.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/904-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4396-9-0x0000000000400000-0x000000000058E000-memory.dmp

memory/904-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/904-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/904-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/904-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/904-25-0x0000000022650000-0x00000000228AF000-memory.dmp

memory/904-33-0x0000000000400000-0x0000000000648000-memory.dmp

memory/904-34-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-28 09:15

Reported

2024-06-28 09:17

Platform

win11-20240611-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.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\kat6D12.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 2784 set thread context of 2772 N/A C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe C:\Users\Admin\AppData\Local\Temp\kat6D12.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\kat6D12.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat6D12.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2784 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe C:\Users\Admin\AppData\Local\Temp\kat6D12.tmp
PID 2784 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe C:\Users\Admin\AppData\Local\Temp\kat6D12.tmp
PID 2784 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe C:\Users\Admin\AppData\Local\Temp\kat6D12.tmp
PID 2784 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe C:\Users\Admin\AppData\Local\Temp\kat6D12.tmp
PID 2784 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe C:\Users\Admin\AppData\Local\Temp\kat6D12.tmp
PID 2784 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe C:\Users\Admin\AppData\Local\Temp\kat6D12.tmp
PID 2784 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe C:\Users\Admin\AppData\Local\Temp\kat6D12.tmp
PID 2784 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe C:\Users\Admin\AppData\Local\Temp\kat6D12.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe

"C:\Users\Admin\AppData\Local\Temp\0e7ae03c9b7dd25649de479dd40f01c3aa2a44f9105df77eed25f1f7ba6aa5df.exe"

C:\Users\Admin\AppData\Local\Temp\kat6D12.tmp

C:\Users\Admin\AppData\Local\Temp\kat6D12.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 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 8.8.8.8:53 241.197.17.2.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
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/2784-0-0x00000000022E0000-0x00000000022E1000-memory.dmp

memory/2784-1-0x0000000002A50000-0x0000000002B60000-memory.dmp

memory/2772-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2772-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2784-9-0x0000000000400000-0x000000000058E000-memory.dmp

memory/2772-10-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat6D12.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/2772-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2772-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2772-27-0x000000002F6A0000-0x000000002F8FF000-memory.dmp

memory/2772-35-0x0000000000400000-0x0000000000648000-memory.dmp

memory/2772-36-0x0000000000400000-0x0000000000648000-memory.dmp