Malware Analysis Report

2025-01-02 05:45

Sample ID 241004-ch1tbaseld
Target c61e49d1e833a1bc9303c2fb2082571f2db96b603147c7bcd33ea1001a85a660.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 c61e49d1e833a1bc9303c2fb2082571f2db96b603147c7bcd33ea1001a85a660.zip was found to be: Known bad.

Malicious Activity Summary

sectoprat discovery persistence rat trojan

SectopRAT payload

SectopRAT

Legitimate hosting services abused for malware hosting/C2

Adds Run key to start application

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

2024-10-04 02:05

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-04 02:05

Reported

2024-10-04 02:08

Platform

win7-20240903-en

Max time kernel

116s

Max time network

137s

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-1-5-21-457978338-2990298471-2379561640-1000\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 2440 set thread context of 2828 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 2440 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2440 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2440 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2440 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2440 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2440 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2440 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2440 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2440 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2440 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2440 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\v6.2.01.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2440 wrote to memory of 2828 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 172.67.19.24:443 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/2440-0-0x000000000063D000-0x000000000063F000-memory.dmp

memory/2440-3-0x0000000000400000-0x0000000000A54000-memory.dmp

memory/2828-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2828-18-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2828-19-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2828-17-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2828-15-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2828-12-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2828-8-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2828-5-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/2440-20-0x0000000000400000-0x0000000000A54000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-04 02:05

Reported

2024-10-04 02:08

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

150s

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-1-5-21-523280732-2327480845-3730041215-1000\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 1296 set thread context of 3332 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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
RU 176.111.174.142:15647 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 176.111.174.142:15647 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
RU 176.111.174.142:15647 tcp
RU 176.111.174.142:15647 tcp

Files

memory/1296-0-0x000000000063D000-0x000000000063F000-memory.dmp

memory/3332-4-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/3332-7-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/1296-8-0x0000000000400000-0x0000000000A54000-memory.dmp

memory/1296-10-0x0000000000400000-0x0000000000A54000-memory.dmp

memory/1296-9-0x0000000000BF0000-0x0000000000C03000-memory.dmp

memory/3332-6-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/3332-5-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/3332-3-0x0000000000400000-0x00000000004D4000-memory.dmp

memory/3332-11-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

memory/3332-12-0x0000000005880000-0x0000000005912000-memory.dmp

memory/3332-13-0x0000000005BD0000-0x0000000005D92000-memory.dmp

memory/3332-14-0x0000000074C30000-0x00000000753E0000-memory.dmp

memory/3332-15-0x0000000006350000-0x00000000068F4000-memory.dmp

memory/3332-16-0x0000000005830000-0x0000000005880000-memory.dmp

memory/3332-17-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

memory/3332-18-0x0000000074C30000-0x00000000753E0000-memory.dmp