Malware Analysis Report

2024-10-19 02:35

Sample ID 220315-zsq37afhg8
Target 5b94f73b3a2d76c2f7283e281754d9f2d64bff4f97aa89d047c2be02b5b489ff
SHA256 5b94f73b3a2d76c2f7283e281754d9f2d64bff4f97aa89d047c2be02b5b489ff
Tags
taurus discovery spyware stealer trojan
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

5b94f73b3a2d76c2f7283e281754d9f2d64bff4f97aa89d047c2be02b5b489ff

Threat Level: Known bad

The file 5b94f73b3a2d76c2f7283e281754d9f2d64bff4f97aa89d047c2be02b5b489ff was found to be: Known bad.

Malicious Activity Summary

taurus discovery spyware stealer trojan

Taurus Stealer Payload

Taurus Stealer

Deletes itself

Reads user/profile data of web browsers

Accesses 2FA software files, possible credential harvesting

Checks installed software on the system

Program crash

Delays execution with timeout.exe

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-03-15 20:59

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-03-15 20:59

Reported

2022-03-15 21:41

Platform

win7-20220311-en

Max time kernel

4294180s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5b94f73b3a2d76c2f7283e281754d9f2d64bff4f97aa89d047c2be02b5b489ff.exe"

Signatures

Taurus Stealer

trojan stealer taurus

Taurus Stealer Payload

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\SysWOW64\cmd.exe N/A

Reads user/profile data of web browsers

spyware stealer

Accesses 2FA software files, possible credential harvesting

spyware stealer

Checks installed software on the system

discovery

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5b94f73b3a2d76c2f7283e281754d9f2d64bff4f97aa89d047c2be02b5b489ff.exe

"C:\Users\Admin\AppData\Local\Temp\5b94f73b3a2d76c2f7283e281754d9f2d64bff4f97aa89d047c2be02b5b489ff.exe"

C:\Windows\SysWOW64\cmd.exe

/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\5b94f73b3a2d76c2f7283e281754d9f2d64bff4f97aa89d047c2be02b5b489ff.exe

C:\Windows\SysWOW64\timeout.exe

timeout /t 3

Network

Country Destination Domain Proto
US 8.8.8.8:53 tnxvfdmserv275.xyz udp

Files

memory/1828-54-0x0000000000220000-0x0000000000241000-memory.dmp

memory/1828-55-0x0000000000250000-0x0000000000286000-memory.dmp

memory/1828-56-0x0000000075471000-0x0000000075473000-memory.dmp

memory/1828-57-0x0000000000400000-0x00000000004EE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-15 20:59

Reported

2022-03-15 21:41

Platform

win10v2004-en-20220113

Max time kernel

169s

Max time network

184s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5b94f73b3a2d76c2f7283e281754d9f2d64bff4f97aa89d047c2be02b5b489ff.exe"

Signatures

Taurus Stealer

trojan stealer taurus

Taurus Stealer Payload

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

Accesses 2FA software files, possible credential harvesting

spyware stealer

Checks installed software on the system

discovery

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5b94f73b3a2d76c2f7283e281754d9f2d64bff4f97aa89d047c2be02b5b489ff.exe

"C:\Users\Admin\AppData\Local\Temp\5b94f73b3a2d76c2f7283e281754d9f2d64bff4f97aa89d047c2be02b5b489ff.exe"

C:\Windows\SysWOW64\cmd.exe

/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\5b94f73b3a2d76c2f7283e281754d9f2d64bff4f97aa89d047c2be02b5b489ff.exe

C:\Windows\SysWOW64\timeout.exe

timeout /t 3

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1472 -ip 1472

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 1288

Network

Country Destination Domain Proto
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp
US 8.8.8.8:53 tnxvfdmserv275.xyz udp
US 8.8.8.8:53 tnxvfdmserv275.xyz udp
US 8.8.8.8:53 14.110.152.52.in-addr.arpa udp
US 8.8.8.8:53 crl4.digicert.com udp
US 93.184.220.29:80 crl4.digicert.com tcp
US 93.184.220.29:80 crl4.digicert.com tcp

Files

memory/1472-130-0x00000000001C0000-0x00000000001E1000-memory.dmp

memory/1472-131-0x00000000004F0000-0x0000000000526000-memory.dmp

memory/1472-132-0x0000000000400000-0x00000000004EE000-memory.dmp