Malware Analysis Report

2024-10-23 17:13

Sample ID 210513-qaezsebtmj
Target 4F2C35EB6899EF553B92798363FD8F6C25C8B4EEF4218.exe
SHA256 4f2c35eb6899ef553b92798363fd8f6c25c8b4eef4218e204910614638aa2ffb
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

4f2c35eb6899ef553b92798363fd8f6c25c8b4eef4218e204910614638aa2ffb

Threat Level: Known bad

The file 4F2C35EB6899EF553B92798363FD8F6C25C8B4EEF4218.exe was found to be: Known bad.

Malicious Activity Summary

taurus discovery spyware stealer trojan

Taurus Stealer

Taurus Stealer Payload

Reads user/profile data of web browsers

Accesses 2FA software files, possible credential harvesting

Checks installed software on the system

Delays execution with timeout.exe

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-05-13 09:40

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-05-13 09:40

Reported

2021-05-13 12:04

Platform

win7v20210408

Max time kernel

146s

Max time network

180s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4F2C35EB6899EF553B92798363FD8F6C25C8B4EEF4218.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

Processes

C:\Users\Admin\AppData\Local\Temp\4F2C35EB6899EF553B92798363FD8F6C25C8B4EEF4218.exe

"C:\Users\Admin\AppData\Local\Temp\4F2C35EB6899EF553B92798363FD8F6C25C8B4EEF4218.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 chakazi.xyz udp
N/A 8.8.8.8:53 chakazi.xyz udp
N/A 8.8.8.8:53 chakazi.xyz udp
N/A 8.8.8.8:53 chakazi.xyz udp
N/A 8.8.8.8:53 chakazi.xyz udp
N/A 8.8.8.8:53 chakazi.xyz udp
N/A 8.8.8.8:53 chakazi.xyz udp
N/A 8.8.8.8:53 chakazi.xyz udp
N/A 8.8.8.8:53 chakazi.xyz udp
N/A 8.8.8.8:53 chakazi.xyz udp

Files

memory/1956-60-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

memory/1956-61-0x00000000003A0000-0x00000000003D8000-memory.dmp

memory/1956-62-0x0000000000400000-0x000000000179F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-05-13 09:40

Reported

2021-05-13 12:04

Platform

win10v20210408

Max time kernel

42s

Max time network

52s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4F2C35EB6899EF553B92798363FD8F6C25C8B4EEF4218.exe"

Signatures

Taurus Stealer

trojan stealer taurus

Taurus Stealer Payload

Description Indicator Process Target
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\4F2C35EB6899EF553B92798363FD8F6C25C8B4EEF4218.exe

"C:\Users\Admin\AppData\Local\Temp\4F2C35EB6899EF553B92798363FD8F6C25C8B4EEF4218.exe"

C:\Windows\SysWOW64\cmd.exe

/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\4F2C35EB6899EF553B92798363FD8F6C25C8B4EEF4218.exe

C:\Windows\SysWOW64\timeout.exe

timeout /t 3

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 chakazi.xyz udp
N/A 8.8.8.8:53 chakazi.xyz udp
N/A 8.8.8.8:53 chakazi.xyz udp

Files

memory/852-114-0x00000000017A0000-0x00000000018EA000-memory.dmp

memory/852-115-0x0000000000400000-0x000000000179F000-memory.dmp

memory/412-116-0x0000000000000000-mapping.dmp

memory/2000-117-0x0000000000000000-mapping.dmp