Malware Analysis Report

2024-10-23 16:34

Sample ID 220830-b2wg9shhfl
Target 3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7
SHA256 3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7
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

3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7

Threat Level: Known bad

The file 3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7 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 use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-08-30 01:38

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 01:38

Reported

2022-08-30 01:44

Platform

win10-20220812-en

Max time kernel

54s

Max time network

183s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.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\3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exe

"C:\Users\Admin\AppData\Local\Temp\3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.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\3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exe

C:\Windows\system32\choice.exe

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

Network

Country Destination Domain Proto
US 20.189.173.1:443 tcp

Files

memory/2452-118-0x0000000000230000-0x0000000001008000-memory.dmp

memory/4664-119-0x0000000000000000-mapping.dmp

memory/3328-120-0x0000000000000000-mapping.dmp

memory/2452-121-0x0000000000230000-0x0000000001008000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-08-30 01:38

Reported

2022-08-30 01:44

Platform

win7-20220812-en

Max time kernel

42s

Max time network

46s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.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\3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exe

"C:\Users\Admin\AppData\Local\Temp\3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.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\3aa5ed24f05d27cf916b2f8dc15a6cfa9c067704d585f5598f561a3cd5c29ac7.exe

C:\Windows\system32\choice.exe

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

Network

Country Destination Domain Proto
US 204.79.197.200:443 tcp

Files

memory/532-54-0x0000000000280000-0x0000000001058000-memory.dmp

memory/1724-55-0x0000000000000000-mapping.dmp

memory/1700-56-0x0000000000000000-mapping.dmp

memory/532-57-0x0000000000280000-0x0000000001058000-memory.dmp