Malware Analysis Report

2025-01-02 05:34

Sample ID 241003-kh694axgnc
Target payload28.zip
SHA256 c61e49d1e833a1bc9303c2fb2082571f2db96b603147c7bcd33ea1001a85a660
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

c61e49d1e833a1bc9303c2fb2082571f2db96b603147c7bcd33ea1001a85a660

Threat Level: Known bad

The file payload28.zip was found to be: Known bad.

Malicious Activity Summary

sectoprat discovery persistence rat trojan

SectopRAT payload

SectopRAT

Adds Run key to start application

Legitimate hosting services abused for malware hosting/C2

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-03 08:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-03 08:37

Reported

2024-10-03 08:39

Platform

win7-20240704-en

Max time kernel

138s

Max time network

146s

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-1-5-21-3434294380-2554721341-1919518612-1000\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 2300 set thread context of 2228 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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2300 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2300 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2300 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2300 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2300 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2300 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2300 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2300 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2300 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2300 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2300 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2300 wrote to memory of 2228 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

Files

memory/2300-0-0x000000000063D000-0x000000000063F000-memory.dmp

memory/2300-3-0x0000000000400000-0x0000000000A54000-memory.dmp

memory/2228-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2228-18-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2228-11-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2300-20-0x0000000000400000-0x0000000000A54000-memory.dmp

memory/2228-8-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2228-17-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2228-14-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2228-5-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2228-19-0x0000000000400000-0x00000000004D4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-03 08:37

Reported

2024-10-03 08:39

Platform

win10v2004-20240802-en

Max time kernel

97s

Max time network

107s

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-1-5-21-656926755-4116854191-210765258-1000\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 3288 set thread context of 1852 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
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
RU 176.111.174.142:15647 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.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 104.20.3.235:443 pastebin.com tcp
US 8.8.8.8:53 235.3.20.104.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 176.111.174.142:15647 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
RU 176.111.174.142:15647 tcp

Files

memory/3288-0-0x000000000063D000-0x000000000063F000-memory.dmp

memory/1852-5-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/3288-8-0x0000000000400000-0x0000000000A54000-memory.dmp

memory/1852-7-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/3288-9-0x0000000000C20000-0x0000000000C33000-memory.dmp

memory/1852-10-0x00000000741FE000-0x00000000741FF000-memory.dmp

memory/1852-6-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/3288-11-0x0000000000400000-0x0000000000A54000-memory.dmp

memory/1852-3-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/1852-4-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/1852-12-0x0000000005280000-0x0000000005312000-memory.dmp

memory/1852-13-0x0000000005650000-0x0000000005812000-memory.dmp

memory/1852-14-0x00000000741F0000-0x00000000749A0000-memory.dmp

memory/1852-15-0x0000000005DD0000-0x0000000006374000-memory.dmp

memory/1852-16-0x0000000005320000-0x0000000005370000-memory.dmp

memory/1852-17-0x00000000741FE000-0x00000000741FF000-memory.dmp

memory/1852-18-0x00000000741F0000-0x00000000749A0000-memory.dmp