Malware Analysis Report

2024-10-23 16:33

Sample ID 220830-cbjapabbd3
Target 664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d
SHA256 664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d
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

664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d

Threat Level: Known bad

The file 664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d 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 01:54

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 01:54

Reported

2022-08-30 01:59

Platform

win7-20220812-en

Max time kernel

45s

Max time network

48s

Command Line

"C:\Users\Admin\AppData\Local\Temp\664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.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\664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe

"C:\Users\Admin\AppData\Local\Temp\664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.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\664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe

C:\Windows\system32\choice.exe

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

Network

N/A

Files

memory/1440-54-0x0000000000A20000-0x00000000017F9000-memory.dmp

memory/1768-55-0x0000000000000000-mapping.dmp

memory/1156-56-0x0000000000000000-mapping.dmp

memory/1440-57-0x0000000000A20000-0x00000000017F9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-30 01:54

Reported

2022-08-30 01:59

Platform

win10-20220812-en

Max time kernel

53s

Max time network

183s

Command Line

"C:\Users\Admin\AppData\Local\Temp\664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.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\664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe

"C:\Users\Admin\AppData\Local\Temp\664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.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\664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.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

Files

memory/2092-120-0x0000000001050000-0x0000000001E29000-memory.dmp

memory/1816-121-0x0000000000000000-mapping.dmp

memory/4932-122-0x0000000000000000-mapping.dmp

memory/2092-123-0x0000000001050000-0x0000000001E29000-memory.dmp