Malware Analysis Report

2024-10-23 16:34

Sample ID 220830-b19nhaahh2
Target 36d171abfe43ca2ba225a24ea21b13c3b61aaba2bfb66c4195e606357b35e84d
SHA256 36d171abfe43ca2ba225a24ea21b13c3b61aaba2bfb66c4195e606357b35e84d
Tags
ytstealer spyware stealer upx
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

36d171abfe43ca2ba225a24ea21b13c3b61aaba2bfb66c4195e606357b35e84d

Threat Level: Known bad

The file 36d171abfe43ca2ba225a24ea21b13c3b61aaba2bfb66c4195e606357b35e84d was found to be: Known bad.

Malicious Activity Summary

ytstealer spyware stealer upx

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 01:37

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

45s

Max time network

49s

Command Line

"C:\Users\Admin\AppData\Local\Temp\36d171abfe43ca2ba225a24ea21b13c3b61aaba2bfb66c4195e606357b35e84d.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\36d171abfe43ca2ba225a24ea21b13c3b61aaba2bfb66c4195e606357b35e84d.exe

"C:\Users\Admin\AppData\Local\Temp\36d171abfe43ca2ba225a24ea21b13c3b61aaba2bfb66c4195e606357b35e84d.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\36d171abfe43ca2ba225a24ea21b13c3b61aaba2bfb66c4195e606357b35e84d.exe

C:\Windows\system32\choice.exe

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

Network

N/A

Files

memory/1660-54-0x0000000001270000-0x0000000002048000-memory.dmp

memory/288-55-0x0000000000000000-mapping.dmp

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

memory/1660-57-0x0000000001270000-0x0000000002048000-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

179s

Command Line

"C:\Users\Admin\AppData\Local\Temp\36d171abfe43ca2ba225a24ea21b13c3b61aaba2bfb66c4195e606357b35e84d.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\36d171abfe43ca2ba225a24ea21b13c3b61aaba2bfb66c4195e606357b35e84d.exe

"C:\Users\Admin\AppData\Local\Temp\36d171abfe43ca2ba225a24ea21b13c3b61aaba2bfb66c4195e606357b35e84d.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\36d171abfe43ca2ba225a24ea21b13c3b61aaba2bfb66c4195e606357b35e84d.exe

C:\Windows\system32\choice.exe

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

Network

Country Destination Domain Proto
JP 13.78.111.198:443 tcp
NL 104.110.191.140:80 tcp

Files

memory/2752-120-0x00000000002C0000-0x0000000001098000-memory.dmp

memory/4984-121-0x0000000000000000-mapping.dmp

memory/2752-122-0x00000000002C0000-0x0000000001098000-memory.dmp

memory/3560-123-0x0000000000000000-mapping.dmp