Malware Analysis Report

2024-12-08 01:28

Sample ID 240903-se7qfs1ekc
Target c683eb9eea4611afb7550ca9a4019e77.zip
SHA256 a93b446d1d9064c15928fe6eb6ab5b5a3baa6bd38d2e2c85e780ed20763fd526
Tags
redline sectoprat discovery infostealer 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

a93b446d1d9064c15928fe6eb6ab5b5a3baa6bd38d2e2c85e780ed20763fd526

Threat Level: Known bad

The file c683eb9eea4611afb7550ca9a4019e77.zip was found to be: Known bad.

Malicious Activity Summary

redline sectoprat discovery infostealer rat trojan

RedLine

RedLine payload

SectopRAT

SectopRAT payload

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-03 15:03

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-03 15:03

Reported

2024-09-03 15:05

Platform

win7-20240903-en

Max time kernel

131s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe"

Signatures

RedLine

infostealer redline

RedLine 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

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2072 set thread context of 2344 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2072 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2072 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2072 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2072 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2072 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2072 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2072 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2072 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2072 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2072 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2072 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2072 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe

"C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe"

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

#cmd

Network

Country Destination Domain Proto
FI 65.108.29.210:21638 tcp
FI 65.108.29.210:21638 tcp
FI 65.108.29.210:21638 tcp
FI 65.108.29.210:21638 tcp
FI 65.108.29.210:21638 tcp
FI 65.108.29.210:21638 tcp

Files

memory/2072-0-0x000007FEF5B03000-0x000007FEF5B04000-memory.dmp

memory/2072-1-0x0000000000F80000-0x0000000000FB2000-memory.dmp

memory/2072-2-0x000007FEF5B00000-0x000007FEF64EC000-memory.dmp

memory/2344-8-0x0000000000400000-0x0000000000422000-memory.dmp

memory/2344-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2344-6-0x0000000000400000-0x0000000000422000-memory.dmp

memory/2344-5-0x0000000000400000-0x0000000000422000-memory.dmp

memory/2344-3-0x0000000000400000-0x0000000000422000-memory.dmp

memory/2344-4-0x0000000000400000-0x0000000000422000-memory.dmp

memory/2344-12-0x0000000000400000-0x0000000000422000-memory.dmp

memory/2344-10-0x0000000000400000-0x0000000000422000-memory.dmp

memory/2072-13-0x000007FEF5B00000-0x000007FEF64EC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-03 15:03

Reported

2024-09-03 15:05

Platform

win10v2004-20240802-en

Max time kernel

132s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe"

Signatures

RedLine

infostealer redline

RedLine payload

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

SectopRAT

trojan rat sectoprat

SectopRAT payload

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1436 set thread context of 1324 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1436 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1436 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1436 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1436 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1436 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1436 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1436 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1436 wrote to memory of 1324 N/A C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe

"C:\Users\Admin\AppData\Local\Temp\4e6e6547c384f489b1666e3f9e026c992fcf416f6ce090b4a6b678e361d03dbf.exe"

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

#cmd

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 udp
FI 65.108.29.210:21638 tcp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
FI 65.108.29.210:21638 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 42.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
FI 65.108.29.210:21638 tcp
FI 65.108.29.210:21638 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
FI 65.108.29.210:21638 tcp
FI 65.108.29.210:21638 tcp

Files

memory/1436-0-0x00007FF8DBD93000-0x00007FF8DBD95000-memory.dmp

memory/1436-1-0x0000000000390000-0x00000000003C2000-memory.dmp

memory/1436-2-0x00007FF8DBD90000-0x00007FF8DC851000-memory.dmp

memory/1436-5-0x000000001B170000-0x000000001B319000-memory.dmp

memory/1436-6-0x00007FF8DBD90000-0x00007FF8DC851000-memory.dmp

memory/1324-7-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

memory/1324-8-0x0000000000760000-0x0000000000782000-memory.dmp

memory/1324-9-0x0000000005350000-0x0000000005968000-memory.dmp

memory/1324-10-0x0000000004D80000-0x0000000004D92000-memory.dmp

memory/1324-11-0x0000000004EB0000-0x0000000004FBA000-memory.dmp

memory/1324-12-0x0000000004DE0000-0x0000000004E1C000-memory.dmp

memory/1324-13-0x0000000074B40000-0x00000000752F0000-memory.dmp

memory/1324-14-0x0000000004FC0000-0x000000000500C000-memory.dmp

memory/1324-15-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

memory/1324-16-0x0000000074B40000-0x00000000752F0000-memory.dmp