Malware Analysis Report

2024-10-19 02:13

Sample ID 220830-ck88gaacgj
Target 8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59
SHA256 8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59
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

8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59

Threat Level: Known bad

The file 8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59 was found to be: Known bad.

Malicious Activity Summary

upx ytstealer spyware stealer

YTStealer

YTStealer payload

UPX packed file

Deletes itself

Reads user/profile data of web browsers

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-08-30 02:09

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 02:09

Reported

2022-08-30 02:14

Platform

win7-20220812-en

Max time kernel

40s

Max time network

44s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59.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

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\system32\cmd.exe N/A

Reads user/profile data of web browsers

spyware stealer

Processes

C:\Users\Admin\AppData\Local\Temp\8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59.exe

"C:\Users\Admin\AppData\Local\Temp\8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59.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\8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59.exe

C:\Windows\system32\choice.exe

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

Network

N/A

Files

memory/1088-54-0x0000000000F10000-0x0000000001CE9000-memory.dmp

memory/900-55-0x0000000000000000-mapping.dmp

memory/1088-56-0x0000000000F10000-0x0000000001CE9000-memory.dmp

memory/572-57-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-30 02:09

Reported

2022-08-30 02:14

Platform

win10-20220812-en

Max time kernel

53s

Max time network

180s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59.exe"

Signatures

YTStealer

stealer ytstealer

YTStealer payload

Description Indicator Process Target
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\8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59.exe

"C:\Users\Admin\AppData\Local\Temp\8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59.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\8b96d21f211fffee984eef42d1628d9ae416e7c5a609304aa343552b7fa28f59.exe

C:\Windows\system32\choice.exe

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

Network

Country Destination Domain Proto
US 52.168.112.66:443 tcp
NL 178.79.208.1:80 tcp

Files

memory/2208-120-0x0000000000F70000-0x0000000001D49000-memory.dmp

memory/3764-121-0x0000000000000000-mapping.dmp

memory/2208-122-0x0000000000F70000-0x0000000001D49000-memory.dmp

memory/4660-123-0x0000000000000000-mapping.dmp