Malware Analysis Report

2025-01-02 05:33

Sample ID 241003-j951nstepn
Target v6.2.01.exe
SHA256 9ef0b7351873989dde1b4bf5e244c617b92bb904152ac1d55a4a1fd93b732d05
Tags
sectoprat discovery persistence rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

9ef0b7351873989dde1b4bf5e244c617b92bb904152ac1d55a4a1fd93b732d05

Threat Level: Known bad

The file v6.2.01.exe was found to be: Known bad.

Malicious Activity Summary

sectoprat discovery persistence rat trojan

SectopRAT

SectopRAT payload

Adds Run key to start application

Legitimate hosting services abused for malware hosting/C2

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-03 08:23

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-03 08:23

Reported

2024-10-03 08:25

Platform

win7-20240903-en

Max time kernel

146s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe"

Signatures

SectopRAT

trojan rat sectoprat

SectopRAT payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "C:\\ProgramData\\3Ahm8Ytw2JgFFB1ZvHN\\mQ8U4j328nh5XRy8i.vbs" C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2872 set thread context of 2212 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2872 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2872 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe

"C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

Network

Country Destination Domain Proto
RU 176.111.174.142:15647 tcp
US 8.8.8.8:53 pastebin.com udp
US 104.20.4.235:443 pastebin.com tcp
RU 176.111.174.142:15647 tcp
RU 176.111.174.142:15647 tcp
RU 176.111.174.142:15647 tcp
RU 176.111.174.142:15647 tcp

Files

memory/2872-0-0x000000000063D000-0x000000000063F000-memory.dmp

memory/2212-12-0x0000000000090000-0x0000000000164000-memory.dmp

memory/2212-10-0x0000000000090000-0x0000000000164000-memory.dmp

memory/2872-15-0x0000000000400000-0x0000000000A54000-memory.dmp

memory/2212-14-0x0000000000090000-0x0000000000164000-memory.dmp

memory/2212-13-0x0000000000090000-0x0000000000164000-memory.dmp

memory/2212-8-0x0000000000090000-0x0000000000164000-memory.dmp

memory/2212-4-0x0000000000090000-0x0000000000164000-memory.dmp

memory/2212-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2212-6-0x0000000000090000-0x0000000000164000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-03 08:23

Reported

2024-10-03 08:25

Platform

win10v2004-20240802-en

Max time kernel

114s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe"

Signatures

SectopRAT

trojan rat sectoprat

SectopRAT payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\ProgramData\\3Ahm8Ytw2JgFFB1ZvHN\\mQ8U4j328nh5XRy8i.vbs" C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3960 set thread context of 3028 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe

"C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
RU 176.111.174.142:15647 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 172.67.19.24:443 pastebin.com tcp
US 8.8.8.8:53 24.19.67.172.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
RU 176.111.174.142:15647 tcp
RU 176.111.174.142:15647 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
RU 176.111.174.142:15647 tcp

Files

memory/3960-0-0x000000000063D000-0x000000000063F000-memory.dmp

memory/3960-9-0x0000000000BC0000-0x0000000000BD3000-memory.dmp

memory/3960-8-0x0000000000400000-0x0000000000A54000-memory.dmp

memory/3028-7-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/3028-6-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/3028-5-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/3028-3-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/3028-4-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/3028-10-0x000000007430E000-0x000000007430F000-memory.dmp

memory/3028-11-0x00000000053D0000-0x0000000005462000-memory.dmp

memory/3028-12-0x00000000057F0000-0x00000000059B2000-memory.dmp

memory/3028-14-0x0000000005F70000-0x0000000006514000-memory.dmp

memory/3028-13-0x0000000074300000-0x0000000074AB0000-memory.dmp

memory/3028-15-0x0000000005360000-0x00000000053B0000-memory.dmp

memory/3960-16-0x0000000000400000-0x0000000000A54000-memory.dmp

memory/3028-17-0x000000007430E000-0x000000007430F000-memory.dmp

memory/3028-18-0x0000000074300000-0x0000000074AB0000-memory.dmp