Malware Analysis Report

2025-01-02 05:49

Sample ID 240425-y1mkaseb3z
Target 1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00
SHA256 1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00
Tags
sectoprat 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

1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00

Threat Level: Known bad

The file 1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00 was found to be: Known bad.

Malicious Activity Summary

sectoprat rat trojan

SectopRAT

SectopRAT payload

Legitimate hosting services abused for malware hosting/C2

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-25 20:15

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-25 20:15

Reported

2024-04-25 20:17

Platform

win7-20240221-en

Max time kernel

136s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.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
N/A N/A N/A N/A
N/A N/A N/A 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 1136 set thread context of 1736 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

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 1136 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1136 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1136 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1136 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1136 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1136 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1136 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1136 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1136 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1136 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1136 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1136 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe

"C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.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 2.57.149.235:15647 tcp
US 8.8.8.8:53 pastebin.com udp
US 104.20.3.235:443 pastebin.com tcp
RU 2.57.149.77:15647 tcp
RU 2.57.149.77:15647 tcp

Files

memory/1136-0-0x0000000002010000-0x00000000020E7000-memory.dmp

memory/1736-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1736-3-0x0000000000400000-0x00000000004C6000-memory.dmp

memory/1736-6-0x0000000000400000-0x00000000004C6000-memory.dmp

memory/1736-9-0x0000000000400000-0x00000000004C6000-memory.dmp

memory/1736-12-0x0000000000400000-0x00000000004C6000-memory.dmp

memory/1736-15-0x0000000000400000-0x00000000004C6000-memory.dmp

memory/1136-17-0x0000000002010000-0x00000000020E7000-memory.dmp

memory/1736-16-0x0000000000400000-0x00000000004C6000-memory.dmp

memory/1736-18-0x0000000000400000-0x00000000004C6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-25 20:15

Reported

2024-04-25 20:17

Platform

win10v2004-20240226-en

Max time kernel

144s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.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

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 2356 set thread context of 1392 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

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 2356 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2356 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2356 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2356 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2356 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2356 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2356 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2356 wrote to memory of 1392 N/A C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe

"C:\Users\Admin\AppData\Local\Temp\1ec6937382678017edbf744110b9f91310ccfeeef1aedc74546c4242bea0eb00.exe"

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

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3712 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 187.134.101.95.in-addr.arpa udp
RU 2.57.149.235:15647 tcp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 104.20.4.235:443 pastebin.com tcp
US 8.8.8.8:53 235.4.20.104.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
RU 2.57.149.77:15647 tcp
US 8.8.8.8:53 193.77.24.184.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 2.57.149.77:15647 tcp
US 8.8.8.8:53 4.173.189.20.in-addr.arpa udp

Files

memory/2356-0-0x0000000002500000-0x00000000025D7000-memory.dmp

memory/1392-1-0x0000000000700000-0x00000000007C6000-memory.dmp

memory/1392-2-0x0000000000700000-0x00000000007C6000-memory.dmp

memory/1392-3-0x0000000000700000-0x00000000007C6000-memory.dmp

memory/1392-4-0x0000000000700000-0x00000000007C6000-memory.dmp

memory/1392-5-0x0000000000700000-0x00000000007C6000-memory.dmp

memory/2356-6-0x0000000002500000-0x00000000025D7000-memory.dmp

memory/1392-7-0x0000000074540000-0x0000000074CF0000-memory.dmp

memory/1392-8-0x0000000004C40000-0x0000000004CD2000-memory.dmp

memory/1392-9-0x00000000052C0000-0x0000000005864000-memory.dmp

memory/1392-10-0x0000000004F40000-0x0000000004F50000-memory.dmp

memory/1392-11-0x0000000005870000-0x0000000005A32000-memory.dmp

memory/1392-12-0x0000000004F50000-0x0000000004FC6000-memory.dmp

memory/1392-13-0x0000000004EB0000-0x0000000004F00000-memory.dmp

memory/1392-14-0x0000000074540000-0x0000000074CF0000-memory.dmp

memory/1392-15-0x0000000004F40000-0x0000000004F50000-memory.dmp