Malware Analysis Report

2024-10-23 16:33

Sample ID 220830-cme3eabde5
Target 9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae
SHA256 9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae
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

9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae

Threat Level: Known bad

The file 9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae was found to be: Known bad.

Malicious Activity Summary

upx ytstealer spyware stealer

YTStealer

YTStealer payload

UPX packed file

Deletes itself

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 02:11

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 02:11

Reported

2022-08-30 02:16

Platform

win7-20220812-en

Max time kernel

43s

Max time network

47s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae.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

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\system32\cmd.exe N/A

Reads user/profile data of web browsers

spyware stealer

Processes

C:\Users\Admin\AppData\Local\Temp\9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae.exe

"C:\Users\Admin\AppData\Local\Temp\9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae.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\9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae.exe

C:\Windows\system32\choice.exe

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

Network

N/A

Files

memory/560-54-0x00000000003F0000-0x00000000011C9000-memory.dmp

memory/1492-55-0x0000000000000000-mapping.dmp

memory/268-56-0x0000000000000000-mapping.dmp

memory/560-57-0x00000000003F0000-0x00000000011C9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-30 02:11

Reported

2022-08-30 02:16

Platform

win10-20220812-en

Max time kernel

144s

Max time network

201s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae.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\9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae.exe

"C:\Users\Admin\AppData\Local\Temp\9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae.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\9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae.exe

C:\Windows\system32\choice.exe

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

Network

Country Destination Domain Proto
US 20.189.173.15:443 tcp

Files

memory/4324-118-0x0000000000070000-0x0000000000E49000-memory.dmp

memory/4292-119-0x0000000000000000-mapping.dmp

memory/2596-120-0x0000000000000000-mapping.dmp

memory/4324-121-0x0000000000070000-0x0000000000E49000-memory.dmp