Malware Analysis Report

2024-10-23 16:33

Sample ID 220830-cc4b9aabfn
Target 6bf7bef9de2dcf0a7df5bd49ba7e6b96303bde5ebfda923b9b2cb04798be9472
SHA256 6bf7bef9de2dcf0a7df5bd49ba7e6b96303bde5ebfda923b9b2cb04798be9472
Tags
upx ytstealer spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

6bf7bef9de2dcf0a7df5bd49ba7e6b96303bde5ebfda923b9b2cb04798be9472

Threat Level: Known bad

The file 6bf7bef9de2dcf0a7df5bd49ba7e6b96303bde5ebfda923b9b2cb04798be9472 was found to be: Known bad.

Malicious Activity Summary

upx ytstealer spyware stealer

YTStealer

YTStealer payload

UPX packed file

Reads user/profile data of web browsers

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-08-30 01:56

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2022-08-30 01:56

Reported

2022-08-30 02:01

Platform

win7-20220812-en

Max time kernel

44s

Max time network

49s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6bf7bef9de2dcf0a7df5bd49ba7e6b96303bde5ebfda923b9b2cb04798be9472.exe"

Signatures

YTStealer

stealer ytstealer

YTStealer payload

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

UPX packed file

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

Reads user/profile data of web browsers

spyware stealer

Processes

C:\Users\Admin\AppData\Local\Temp\6bf7bef9de2dcf0a7df5bd49ba7e6b96303bde5ebfda923b9b2cb04798be9472.exe

"C:\Users\Admin\AppData\Local\Temp\6bf7bef9de2dcf0a7df5bd49ba7e6b96303bde5ebfda923b9b2cb04798be9472.exe"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Local\Temp\6bf7bef9de2dcf0a7df5bd49ba7e6b96303bde5ebfda923b9b2cb04798be9472.exe

C:\Windows\system32\choice.exe

choice /C Y /N /D Y /T 0

Network

N/A

Files

memory/1064-54-0x0000000000880000-0x0000000001649000-memory.dmp

memory/284-55-0x0000000000000000-mapping.dmp

memory/1476-56-0x0000000000000000-mapping.dmp

memory/1064-57-0x0000000000880000-0x0000000001649000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-30 01:56

Reported

2022-08-30 02:01

Platform

win10-20220812-en

Max time kernel

144s

Max time network

182s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6bf7bef9de2dcf0a7df5bd49ba7e6b96303bde5ebfda923b9b2cb04798be9472.exe"

Signatures

YTStealer

stealer ytstealer

YTStealer payload

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

UPX packed file

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

Reads user/profile data of web browsers

spyware stealer

Processes

C:\Users\Admin\AppData\Local\Temp\6bf7bef9de2dcf0a7df5bd49ba7e6b96303bde5ebfda923b9b2cb04798be9472.exe

"C:\Users\Admin\AppData\Local\Temp\6bf7bef9de2dcf0a7df5bd49ba7e6b96303bde5ebfda923b9b2cb04798be9472.exe"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Local\Temp\6bf7bef9de2dcf0a7df5bd49ba7e6b96303bde5ebfda923b9b2cb04798be9472.exe

C:\Windows\system32\choice.exe

choice /C Y /N /D Y /T 0

Network

Country Destination Domain Proto
NL 142.250.179.195:443 tcp
NL 216.58.214.10:443 tcp
NL 216.58.214.4:443 tcp
NL 216.58.208.99:443 tcp
NL 142.250.179.195:443 tcp
NL 142.251.36.42:443 tcp
NL 216.58.214.14:443 tcp
US 8.8.8.8:443 tcp
US 8.8.8.8:443 tcp
NL 142.251.36.45:443 tcp
NL 142.250.179.142:443 tcp
SG 168.63.250.82:80 tcp
NL 216.58.214.3:443 tcp
NL 216.58.214.3:443 tcp
NL 142.250.179.206:443 tcp
NL 142.251.36.14:443 tcp
NL 172.217.168.238:443 tcp
US 8.8.8.8:443 tcp

Files

memory/2404-116-0x00000000009D0000-0x0000000001799000-memory.dmp

memory/4768-117-0x0000000000000000-mapping.dmp

memory/4780-118-0x0000000000000000-mapping.dmp

memory/2404-119-0x00000000009D0000-0x0000000001799000-memory.dmp