Malware Analysis Report

2025-01-02 05:34

Sample ID 241003-bnjljs1anc
Target 355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe
SHA256 355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2
Tags
redline sectoprat bootkit discovery evasion infostealer persistence rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2

Threat Level: Known bad

The file 355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe was found to be: Known bad.

Malicious Activity Summary

redline sectoprat bootkit discovery evasion infostealer persistence rat trojan

SectopRAT payload

RedLine

SectopRAT

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Checks BIOS information in registry

Identifies Wine through registry keys

Writes to the Master Boot Record (MBR)

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-03 01:17

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-03 01:17

Reported

2024-10-03 01:19

Platform

win10v2004-20240802-en

Max time kernel

140s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe"

Signatures

RedLine

infostealer redline

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

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A

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\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe

"C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.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
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
FR 54.38.123.247:8696 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
FR 54.38.123.247:8696 tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
FR 54.38.123.247:8696 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
FR 54.38.123.247:8696 tcp
FR 54.38.123.247:8696 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
FR 54.38.123.247:8696 tcp
FR 54.38.123.247:8696 tcp

Files

memory/4976-0-0x0000000000AB0000-0x0000000000F84000-memory.dmp

memory/4976-2-0x0000000000AB0000-0x0000000000F84000-memory.dmp

memory/4976-3-0x0000000000AB0000-0x0000000000F84000-memory.dmp

memory/4976-4-0x00000000060A0000-0x00000000066B8000-memory.dmp

memory/4976-5-0x0000000005B00000-0x0000000005B12000-memory.dmp

memory/4976-6-0x0000000005B60000-0x0000000005B9C000-memory.dmp

memory/4976-7-0x0000000005BA0000-0x0000000005BEC000-memory.dmp

memory/4976-8-0x0000000005E00000-0x0000000005F0A000-memory.dmp

memory/4976-10-0x0000000000AB0000-0x0000000000F84000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-03 01:17

Reported

2024-10-03 01:19

Platform

win7-20240903-en

Max time kernel

140s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe"

Signatures

RedLine

infostealer redline

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

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A

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\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe

"C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe"

Network

Country Destination Domain Proto
FR 54.38.123.247:8696 tcp
FR 54.38.123.247:8696 tcp
FR 54.38.123.247:8696 tcp
FR 54.38.123.247:8696 tcp
FR 54.38.123.247:8696 tcp
FR 54.38.123.247:8696 tcp
FR 54.38.123.247:8696 tcp

Files

memory/1632-0-0x0000000000240000-0x0000000000714000-memory.dmp

memory/1632-2-0x0000000000240000-0x0000000000714000-memory.dmp

memory/1632-3-0x0000000000240000-0x0000000000714000-memory.dmp