Malware Analysis Report

2024-10-23 16:34

Sample ID 220830-bz4e4aahf7
Target 325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70
SHA256 325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70
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

325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70

Threat Level: Known bad

The file 325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70 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

Deletes itself

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-08-30 01:35

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 01:35

Reported

2022-08-30 01:40

Platform

win7-20220812-en

Max time kernel

37s

Max time network

41s

Command Line

"C:\Users\Admin\AppData\Local\Temp\325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70.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\325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70.exe

"C:\Users\Admin\AppData\Local\Temp\325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70.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\325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70.exe

C:\Windows\system32\choice.exe

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

Network

N/A

Files

memory/1928-54-0x0000000000CF0000-0x0000000001AB8000-memory.dmp

memory/1808-55-0x0000000000000000-mapping.dmp

memory/1928-56-0x0000000000CF0000-0x0000000001AB8000-memory.dmp

memory/860-57-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-30 01:35

Reported

2022-08-30 01:40

Platform

win10-20220812-en

Max time kernel

139s

Max time network

183s

Command Line

"C:\Users\Admin\AppData\Local\Temp\325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70.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\325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70.exe

"C:\Users\Admin\AppData\Local\Temp\325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70.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\325c1d2b676eca595aeed8a77fdc1e909b6d4d02615478cf747023fd9868ba70.exe

C:\Windows\system32\choice.exe

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

Network

Country Destination Domain Proto
FR 51.11.192.50:443 tcp
NL 8.238.23.254:80 tcp
US 93.184.220.29:80 tcp

Files

memory/4208-116-0x00000000003D0000-0x0000000001198000-memory.dmp

memory/2288-117-0x0000000000000000-mapping.dmp

memory/2624-118-0x0000000000000000-mapping.dmp

memory/4208-119-0x00000000003D0000-0x0000000001198000-memory.dmp