Malware Analysis Report

2024-10-23 16:34

Sample ID 220830-b11etshhdr
Target 357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f
SHA256 357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f
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

357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f

Threat Level: Known bad

The file 357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f 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 use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-08-30 01:37

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 01:37

Reported

2022-08-30 01:42

Platform

win7-20220812-en

Max time kernel

38s

Max time network

42s

Command Line

"C:\Users\Admin\AppData\Local\Temp\357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.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\357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.exe

"C:\Users\Admin\AppData\Local\Temp\357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.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\357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.exe

C:\Windows\system32\choice.exe

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

Network

N/A

Files

memory/1968-54-0x00000000013C0000-0x0000000002199000-memory.dmp

memory/1752-55-0x0000000000000000-mapping.dmp

memory/1768-56-0x0000000000000000-mapping.dmp

memory/1968-57-0x00000000013C0000-0x0000000002199000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-30 01:37

Reported

2022-08-30 01:42

Platform

win10-20220812-en

Max time kernel

52s

Max time network

183s

Command Line

"C:\Users\Admin\AppData\Local\Temp\357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.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\357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.exe

"C:\Users\Admin\AppData\Local\Temp\357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.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\357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f.exe

C:\Windows\system32\choice.exe

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

Network

Country Destination Domain Proto
IE 20.50.80.209:443 tcp

Files

memory/2684-115-0x00000000012A0000-0x0000000002079000-memory.dmp

memory/2068-116-0x0000000000000000-mapping.dmp

memory/2684-117-0x00000000012A0000-0x0000000002079000-memory.dmp

memory/1768-118-0x0000000000000000-mapping.dmp