Malware Analysis Report

2024-10-23 16:34

Sample ID 220830-b1tx2sahg9
Target 357ae268fb3ca9079a3cc844dbb07088d6c4eb8ef18de7c5e974d8bead1cb996
SHA256 357ae268fb3ca9079a3cc844dbb07088d6c4eb8ef18de7c5e974d8bead1cb996
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

357ae268fb3ca9079a3cc844dbb07088d6c4eb8ef18de7c5e974d8bead1cb996

Threat Level: Known bad

The file 357ae268fb3ca9079a3cc844dbb07088d6c4eb8ef18de7c5e974d8bead1cb996 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 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

40s

Max time network

45s

Command Line

"C:\Users\Admin\AppData\Local\Temp\357ae268fb3ca9079a3cc844dbb07088d6c4eb8ef18de7c5e974d8bead1cb996.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

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\357ae268fb3ca9079a3cc844dbb07088d6c4eb8ef18de7c5e974d8bead1cb996.exe

"C:\Users\Admin\AppData\Local\Temp\357ae268fb3ca9079a3cc844dbb07088d6c4eb8ef18de7c5e974d8bead1cb996.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\357ae268fb3ca9079a3cc844dbb07088d6c4eb8ef18de7c5e974d8bead1cb996.exe

C:\Windows\system32\choice.exe

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

Network

N/A

Files

memory/2012-54-0x00000000008B0000-0x0000000001689000-memory.dmp

memory/1784-55-0x0000000000000000-mapping.dmp

memory/2012-56-0x00000000008B0000-0x0000000001689000-memory.dmp

memory/1688-57-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-30 01:37

Reported

2022-08-30 01:42

Platform

win10-20220812-en

Max time kernel

40s

Max time network

160s

Command Line

"C:\Users\Admin\AppData\Local\Temp\357ae268fb3ca9079a3cc844dbb07088d6c4eb8ef18de7c5e974d8bead1cb996.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\357ae268fb3ca9079a3cc844dbb07088d6c4eb8ef18de7c5e974d8bead1cb996.exe

"C:\Users\Admin\AppData\Local\Temp\357ae268fb3ca9079a3cc844dbb07088d6c4eb8ef18de7c5e974d8bead1cb996.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\357ae268fb3ca9079a3cc844dbb07088d6c4eb8ef18de7c5e974d8bead1cb996.exe

C:\Windows\system32\choice.exe

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

Network

Country Destination Domain Proto
US 20.42.73.25:443 tcp

Files

memory/2968-118-0x0000000000950000-0x0000000001729000-memory.dmp

memory/1816-119-0x0000000000000000-mapping.dmp

memory/5000-120-0x0000000000000000-mapping.dmp

memory/2968-121-0x0000000000950000-0x0000000001729000-memory.dmp