Malware Analysis Report

2024-10-23 16:34

Sample ID 220830-bzw11sahf6
Target 3204c8ac0e8efa95ec18cb0a31bb0e470dce9de7fec873c995f1a9cb48f1c739
SHA256 3204c8ac0e8efa95ec18cb0a31bb0e470dce9de7fec873c995f1a9cb48f1c739
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

3204c8ac0e8efa95ec18cb0a31bb0e470dce9de7fec873c995f1a9cb48f1c739

Threat Level: Known bad

The file 3204c8ac0e8efa95ec18cb0a31bb0e470dce9de7fec873c995f1a9cb48f1c739 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 01:35

Signatures

UPX packed file

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

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-30 01:35

Reported

2022-08-30 01:40

Platform

win10-20220812-en

Max time kernel

140s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3204c8ac0e8efa95ec18cb0a31bb0e470dce9de7fec873c995f1a9cb48f1c739.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\3204c8ac0e8efa95ec18cb0a31bb0e470dce9de7fec873c995f1a9cb48f1c739.exe

"C:\Users\Admin\AppData\Local\Temp\3204c8ac0e8efa95ec18cb0a31bb0e470dce9de7fec873c995f1a9cb48f1c739.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\3204c8ac0e8efa95ec18cb0a31bb0e470dce9de7fec873c995f1a9cb48f1c739.exe

C:\Windows\system32\choice.exe

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

Network

Country Destination Domain Proto
FR 40.79.150.121:443 tcp
US 209.197.3.8:80 tcp
US 93.184.220.29:80 tcp

Files

memory/4824-116-0x00000000012B0000-0x0000000002078000-memory.dmp

memory/4336-117-0x0000000000000000-mapping.dmp

memory/4416-119-0x0000000000000000-mapping.dmp

memory/4824-118-0x00000000012B0000-0x0000000002078000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-08-30 01:35

Reported

2022-08-30 01:40

Platform

win7-20220812-en

Max time kernel

43s

Max time network

46s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3204c8ac0e8efa95ec18cb0a31bb0e470dce9de7fec873c995f1a9cb48f1c739.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\3204c8ac0e8efa95ec18cb0a31bb0e470dce9de7fec873c995f1a9cb48f1c739.exe

"C:\Users\Admin\AppData\Local\Temp\3204c8ac0e8efa95ec18cb0a31bb0e470dce9de7fec873c995f1a9cb48f1c739.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\3204c8ac0e8efa95ec18cb0a31bb0e470dce9de7fec873c995f1a9cb48f1c739.exe

C:\Windows\system32\choice.exe

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

Network

N/A

Files

memory/900-54-0x0000000000D00000-0x0000000001AC8000-memory.dmp

memory/1796-55-0x0000000000000000-mapping.dmp

memory/1188-56-0x0000000000000000-mapping.dmp

memory/900-57-0x0000000000D00000-0x0000000001AC8000-memory.dmp