Malware Analysis Report

2024-10-23 16:34

Sample ID 220830-bzkmzsahf4
Target 30db81495da8ed2569c3d3db00ad3f475b808b1384d8ac1374a30773b9164ed9
SHA256 30db81495da8ed2569c3d3db00ad3f475b808b1384d8ac1374a30773b9164ed9
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

30db81495da8ed2569c3d3db00ad3f475b808b1384d8ac1374a30773b9164ed9

Threat Level: Known bad

The file 30db81495da8ed2569c3d3db00ad3f475b808b1384d8ac1374a30773b9164ed9 was found to be: Known bad.

Malicious Activity Summary

ytstealer spyware stealer upx

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 01:34

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 01:34

Reported

2022-08-30 01:40

Platform

win7-20220812-en

Max time kernel

42s

Max time network

46s

Command Line

"C:\Users\Admin\AppData\Local\Temp\30db81495da8ed2569c3d3db00ad3f475b808b1384d8ac1374a30773b9164ed9.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

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\30db81495da8ed2569c3d3db00ad3f475b808b1384d8ac1374a30773b9164ed9.exe

"C:\Users\Admin\AppData\Local\Temp\30db81495da8ed2569c3d3db00ad3f475b808b1384d8ac1374a30773b9164ed9.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\30db81495da8ed2569c3d3db00ad3f475b808b1384d8ac1374a30773b9164ed9.exe

C:\Windows\system32\choice.exe

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

Network

N/A

Files

memory/816-54-0x0000000000F50000-0x0000000001D19000-memory.dmp

memory/1320-55-0x0000000000000000-mapping.dmp

memory/816-56-0x0000000000F50000-0x0000000001D19000-memory.dmp

memory/636-57-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-30 01:34

Reported

2022-08-30 01:40

Platform

win10-20220812-en

Max time kernel

165s

Max time network

182s

Command Line

"C:\Users\Admin\AppData\Local\Temp\30db81495da8ed2569c3d3db00ad3f475b808b1384d8ac1374a30773b9164ed9.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\30db81495da8ed2569c3d3db00ad3f475b808b1384d8ac1374a30773b9164ed9.exe

"C:\Users\Admin\AppData\Local\Temp\30db81495da8ed2569c3d3db00ad3f475b808b1384d8ac1374a30773b9164ed9.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\30db81495da8ed2569c3d3db00ad3f475b808b1384d8ac1374a30773b9164ed9.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
US 93.184.220.29:80 tcp

Files

memory/2976-116-0x00000000003A0000-0x0000000001169000-memory.dmp

memory/4896-117-0x0000000000000000-mapping.dmp

memory/2976-118-0x00000000003A0000-0x0000000001169000-memory.dmp

memory/4904-119-0x0000000000000000-mapping.dmp