Malware Analysis Report

2024-10-19 02:13

Sample ID 220830-ck246aacfn
Target 8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a
SHA256 8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a
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

8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a

Threat Level: Known bad

The file 8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a was found to be: Known bad.

Malicious Activity Summary

upx ytstealer spyware stealer

YTStealer payload

YTStealer

UPX packed file

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 02:08

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 02:08

Reported

2022-08-30 02:14

Platform

win7-20220812-en

Max time kernel

41s

Max time network

45s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.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\8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe

"C:\Users\Admin\AppData\Local\Temp\8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.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\8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe

C:\Windows\system32\choice.exe

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

Network

N/A

Files

memory/1668-54-0x0000000000F80000-0x0000000001D58000-memory.dmp

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

memory/1164-56-0x0000000000000000-mapping.dmp

memory/1668-57-0x0000000000F80000-0x0000000001D58000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-30 02:08

Reported

2022-08-30 02:14

Platform

win10-20220812-en

Max time kernel

52s

Max time network

176s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.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\8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe

"C:\Users\Admin\AppData\Local\Temp\8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.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\8b15d2bc31adb8497a725317f8af0fe7ad6eb74141aaf41e4da13bb61d1fb81a.exe

C:\Windows\system32\choice.exe

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

Network

Country Destination Domain Proto
FR 2.16.119.157:443 tcp
US 52.168.112.66:443 tcp

Files

memory/2144-120-0x00000000003E0000-0x00000000011B8000-memory.dmp

memory/1464-121-0x0000000000000000-mapping.dmp

memory/2144-122-0x00000000003E0000-0x00000000011B8000-memory.dmp

memory/2972-123-0x0000000000000000-mapping.dmp