Malware Analysis Report

2024-10-23 16:34

Sample ID 220830-b34j9shhgq
Target 3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd
SHA256 3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd
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

3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd

Threat Level: Known bad

The file 3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd 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 behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-08-30 01:41

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 01:41

Reported

2022-08-30 01:46

Platform

win7-20220812-en

Max time kernel

42s

Max time network

46s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.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\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe

"C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.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\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe

C:\Windows\system32\choice.exe

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

Network

N/A

Files

memory/812-54-0x0000000000880000-0x0000000001658000-memory.dmp

memory/1180-55-0x0000000000000000-mapping.dmp

memory/1720-56-0x0000000000000000-mapping.dmp

memory/812-57-0x0000000000880000-0x0000000001658000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-30 01:41

Reported

2022-08-30 01:46

Platform

win10-20220812-en

Max time kernel

55s

Max time network

180s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.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\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe

"C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.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\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe

C:\Windows\system32\choice.exe

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

Network

Country Destination Domain Proto
US 20.189.173.13:443 tcp
US 93.184.221.240:80 tcp

Files

memory/3540-118-0x0000000000E10000-0x0000000001BE8000-memory.dmp

memory/1568-119-0x0000000000000000-mapping.dmp

memory/3540-120-0x0000000000E10000-0x0000000001BE8000-memory.dmp

memory/2072-121-0x0000000000000000-mapping.dmp