Malware Analysis Report

2024-10-19 02:13

Sample ID 220830-clhrxaacgm
Target 8c0391f7670e8328b7c350bd9e144ecab2ab84434b15007b39ecf41d68d854aa
SHA256 8c0391f7670e8328b7c350bd9e144ecab2ab84434b15007b39ecf41d68d854aa
Tags
ytstealer spyware stealer upx
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

8c0391f7670e8328b7c350bd9e144ecab2ab84434b15007b39ecf41d68d854aa

Threat Level: Known bad

The file 8c0391f7670e8328b7c350bd9e144ecab2ab84434b15007b39ecf41d68d854aa was found to be: Known bad.

Malicious Activity Summary

ytstealer spyware stealer upx

YTStealer

YTStealer payload

UPX packed file

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

45s

Max time network

50s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8c0391f7670e8328b7c350bd9e144ecab2ab84434b15007b39ecf41d68d854aa.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\8c0391f7670e8328b7c350bd9e144ecab2ab84434b15007b39ecf41d68d854aa.exe

"C:\Users\Admin\AppData\Local\Temp\8c0391f7670e8328b7c350bd9e144ecab2ab84434b15007b39ecf41d68d854aa.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\8c0391f7670e8328b7c350bd9e144ecab2ab84434b15007b39ecf41d68d854aa.exe

C:\Windows\system32\choice.exe

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

Network

N/A

Files

memory/1544-54-0x00000000003A0000-0x0000000001168000-memory.dmp

memory/512-55-0x0000000000000000-mapping.dmp

memory/1176-56-0x0000000000000000-mapping.dmp

memory/1544-57-0x00000000003A0000-0x0000000001168000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-30 02:09

Reported

2022-08-30 02:14

Platform

win10-20220812-en

Max time kernel

51s

Max time network

179s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8c0391f7670e8328b7c350bd9e144ecab2ab84434b15007b39ecf41d68d854aa.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\8c0391f7670e8328b7c350bd9e144ecab2ab84434b15007b39ecf41d68d854aa.exe

"C:\Users\Admin\AppData\Local\Temp\8c0391f7670e8328b7c350bd9e144ecab2ab84434b15007b39ecf41d68d854aa.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\8c0391f7670e8328b7c350bd9e144ecab2ab84434b15007b39ecf41d68d854aa.exe

C:\Windows\system32\choice.exe

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

Network

Country Destination Domain Proto
US 104.208.16.90:443 tcp

Files

memory/1204-120-0x0000000000100000-0x0000000000EC8000-memory.dmp

memory/4760-121-0x0000000000000000-mapping.dmp

memory/3860-122-0x0000000000000000-mapping.dmp

memory/1204-123-0x0000000000100000-0x0000000000EC8000-memory.dmp