Malware Analysis Report

2024-10-23 16:33

Sample ID 220830-cbt27abbe4
Target 6794f0cf8f94eb7341e6612464e886a2efd66a3e4167138525cfdc820a677f21
SHA256 6794f0cf8f94eb7341e6612464e886a2efd66a3e4167138525cfdc820a677f21
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

6794f0cf8f94eb7341e6612464e886a2efd66a3e4167138525cfdc820a677f21

Threat Level: Known bad

The file 6794f0cf8f94eb7341e6612464e886a2efd66a3e4167138525cfdc820a677f21 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

42s

Max time network

45s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6794f0cf8f94eb7341e6612464e886a2efd66a3e4167138525cfdc820a677f21.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\6794f0cf8f94eb7341e6612464e886a2efd66a3e4167138525cfdc820a677f21.exe

"C:\Users\Admin\AppData\Local\Temp\6794f0cf8f94eb7341e6612464e886a2efd66a3e4167138525cfdc820a677f21.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\6794f0cf8f94eb7341e6612464e886a2efd66a3e4167138525cfdc820a677f21.exe

C:\Windows\system32\choice.exe

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

Network

N/A

Files

memory/1944-54-0x0000000000230000-0x0000000000FF9000-memory.dmp

memory/336-55-0x0000000000000000-mapping.dmp

memory/568-56-0x0000000000000000-mapping.dmp

memory/1944-57-0x0000000000230000-0x0000000000FF9000-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

52s

Max time network

170s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6794f0cf8f94eb7341e6612464e886a2efd66a3e4167138525cfdc820a677f21.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\6794f0cf8f94eb7341e6612464e886a2efd66a3e4167138525cfdc820a677f21.exe

"C:\Users\Admin\AppData\Local\Temp\6794f0cf8f94eb7341e6612464e886a2efd66a3e4167138525cfdc820a677f21.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\6794f0cf8f94eb7341e6612464e886a2efd66a3e4167138525cfdc820a677f21.exe

C:\Windows\system32\choice.exe

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

Network

Country Destination Domain Proto
US 20.42.72.131:443 tcp
US 8.238.20.254:80 tcp

Files

memory/2772-116-0x00000000003F0000-0x00000000011B9000-memory.dmp

memory/4692-117-0x0000000000000000-mapping.dmp

memory/4776-118-0x0000000000000000-mapping.dmp

memory/2772-119-0x00000000003F0000-0x00000000011B9000-memory.dmp