Malware Analysis Report

2024-10-23 16:33

Sample ID 220830-cl577sachp
Target 94c9afa6decdffd81c21cc057720fd0b9f63eb23324c28b0bfe1b79d2fbe8967
SHA256 94c9afa6decdffd81c21cc057720fd0b9f63eb23324c28b0bfe1b79d2fbe8967
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

94c9afa6decdffd81c21cc057720fd0b9f63eb23324c28b0bfe1b79d2fbe8967

Threat Level: Known bad

The file 94c9afa6decdffd81c21cc057720fd0b9f63eb23324c28b0bfe1b79d2fbe8967 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 use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-08-30 02:10

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-30 02:10

Reported

2022-08-30 02:15

Platform

win10-20220812-en

Max time kernel

83s

Max time network

181s

Command Line

"C:\Users\Admin\AppData\Local\Temp\94c9afa6decdffd81c21cc057720fd0b9f63eb23324c28b0bfe1b79d2fbe8967.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\94c9afa6decdffd81c21cc057720fd0b9f63eb23324c28b0bfe1b79d2fbe8967.exe

"C:\Users\Admin\AppData\Local\Temp\94c9afa6decdffd81c21cc057720fd0b9f63eb23324c28b0bfe1b79d2fbe8967.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\94c9afa6decdffd81c21cc057720fd0b9f63eb23324c28b0bfe1b79d2fbe8967.exe

C:\Windows\system32\choice.exe

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

Network

Country Destination Domain Proto
IE 13.69.239.72:443 tcp
US 93.184.221.240:80 tcp

Files

memory/2804-115-0x0000000000E40000-0x0000000001C19000-memory.dmp

memory/4560-116-0x0000000000000000-mapping.dmp

memory/2668-117-0x0000000000000000-mapping.dmp

memory/2804-118-0x0000000000E40000-0x0000000001C19000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-08-30 02:10

Reported

2022-08-30 02:15

Platform

win7-20220812-en

Max time kernel

45s

Max time network

49s

Command Line

"C:\Users\Admin\AppData\Local\Temp\94c9afa6decdffd81c21cc057720fd0b9f63eb23324c28b0bfe1b79d2fbe8967.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\94c9afa6decdffd81c21cc057720fd0b9f63eb23324c28b0bfe1b79d2fbe8967.exe

"C:\Users\Admin\AppData\Local\Temp\94c9afa6decdffd81c21cc057720fd0b9f63eb23324c28b0bfe1b79d2fbe8967.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\94c9afa6decdffd81c21cc057720fd0b9f63eb23324c28b0bfe1b79d2fbe8967.exe

C:\Windows\system32\choice.exe

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

Network

Country Destination Domain Proto
US 93.184.220.29:80 tcp

Files

memory/1764-54-0x0000000000170000-0x0000000000F49000-memory.dmp

memory/1772-55-0x0000000000000000-mapping.dmp

memory/560-56-0x0000000000000000-mapping.dmp

memory/1764-57-0x0000000000170000-0x0000000000F49000-memory.dmp