Malware Analysis Report

2025-08-10 16:50

Sample ID 231225-nxy4tafacq
Target 1bdd9743ef074f26b32791236dcfaae6
SHA256 b4548930086fa2b97d01f62f7ccfe582637ad53fd3e83ba409d00c2272d4403f
Tags
themida sectoprat evasion 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

b4548930086fa2b97d01f62f7ccfe582637ad53fd3e83ba409d00c2272d4403f

Threat Level: Known bad

The file 1bdd9743ef074f26b32791236dcfaae6 was found to be: Known bad.

Malicious Activity Summary

themida sectoprat evasion rat trojan

SectopRAT payload

SectopRAT

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

Checks BIOS information in registry

Themida packer

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-25 11:47

Signatures

Themida packer

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-25 11:47

Reported

2023-12-26 03:06

Platform

win7-20231215-en

Max time kernel

140s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1bdd9743ef074f26b32791236dcfaae6.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

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\1bdd9743ef074f26b32791236dcfaae6.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\1bdd9743ef074f26b32791236dcfaae6.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\1bdd9743ef074f26b32791236dcfaae6.exe N/A

Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A 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\1bdd9743ef074f26b32791236dcfaae6.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1bdd9743ef074f26b32791236dcfaae6.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1bdd9743ef074f26b32791236dcfaae6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1bdd9743ef074f26b32791236dcfaae6.exe

"C:\Users\Admin\AppData\Local\Temp\1bdd9743ef074f26b32791236dcfaae6.exe"

Network

Country Destination Domain Proto
RU 193.38.235.35:18463 tcp
RU 193.38.235.35:18463 tcp
RU 193.38.235.35:18463 tcp
RU 193.38.235.35:18463 tcp
RU 193.38.235.35:18463 tcp
RU 193.38.235.35:18463 tcp
RU 193.38.235.35:18463 tcp

Files

memory/2216-0-0x00000000001A0000-0x0000000000894000-memory.dmp

memory/2216-1-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-2-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-3-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-4-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-5-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-8-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-9-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-10-0x00000000773A0000-0x00000000773E7000-memory.dmp

memory/2216-12-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-13-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-15-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-16-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-14-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-17-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-18-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-19-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-20-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-21-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-22-0x0000000077C20000-0x0000000077C22000-memory.dmp

memory/2216-11-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-7-0x00000000773A0000-0x00000000773E7000-memory.dmp

memory/2216-28-0x0000000074C30000-0x000000007531E000-memory.dmp

memory/2216-27-0x00000000001A0000-0x0000000000894000-memory.dmp

memory/2216-29-0x00000000001A0000-0x0000000000894000-memory.dmp

memory/2216-6-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-30-0x0000000004EE0000-0x0000000004F20000-memory.dmp

memory/2216-34-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-33-0x00000000773A0000-0x00000000773E7000-memory.dmp

memory/2216-32-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-35-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-37-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-42-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-41-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-40-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-39-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-38-0x0000000076A60000-0x0000000076B70000-memory.dmp

memory/2216-43-0x0000000074C30000-0x000000007531E000-memory.dmp

memory/2216-44-0x0000000004EE0000-0x0000000004F20000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-25 11:47

Reported

2023-12-26 03:07

Platform

win10v2004-20231215-en

Max time kernel

180s

Max time network

190s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1bdd9743ef074f26b32791236dcfaae6.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

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\1bdd9743ef074f26b32791236dcfaae6.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\1bdd9743ef074f26b32791236dcfaae6.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\1bdd9743ef074f26b32791236dcfaae6.exe N/A

Themida packer

themida
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A 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\1bdd9743ef074f26b32791236dcfaae6.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1bdd9743ef074f26b32791236dcfaae6.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1bdd9743ef074f26b32791236dcfaae6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1bdd9743ef074f26b32791236dcfaae6.exe

"C:\Users\Admin\AppData\Local\Temp\1bdd9743ef074f26b32791236dcfaae6.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 21.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
RU 193.38.235.35:18463 tcp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
RU 193.38.235.35:18463 tcp
US 8.8.8.8:53 183.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 17.134.221.88.in-addr.arpa udp
RU 193.38.235.35:18463 tcp
US 8.8.8.8:53 202.178.17.96.in-addr.arpa udp
RU 193.38.235.35:18463 tcp
RU 193.38.235.35:18463 tcp
US 8.8.8.8:53 27.73.42.20.in-addr.arpa udp
RU 193.38.235.35:18463 tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
RU 193.38.235.35:18463 tcp

Files

memory/4812-0-0x0000000000BD0000-0x00000000012C4000-memory.dmp

memory/4812-1-0x0000000075530000-0x0000000075620000-memory.dmp

memory/4812-3-0x0000000075530000-0x0000000075620000-memory.dmp

memory/4812-2-0x0000000075530000-0x0000000075620000-memory.dmp

memory/4812-4-0x0000000075530000-0x0000000075620000-memory.dmp

memory/4812-5-0x0000000075530000-0x0000000075620000-memory.dmp

memory/4812-7-0x0000000075530000-0x0000000075620000-memory.dmp

memory/4812-6-0x0000000075530000-0x0000000075620000-memory.dmp

memory/4812-8-0x00000000770D4000-0x00000000770D6000-memory.dmp

memory/4812-12-0x0000000000BD0000-0x00000000012C4000-memory.dmp

memory/4812-13-0x0000000000BD0000-0x00000000012C4000-memory.dmp

memory/4812-14-0x0000000005DE0000-0x00000000063F8000-memory.dmp

memory/4812-15-0x0000000005820000-0x0000000005832000-memory.dmp

memory/4812-16-0x0000000005880000-0x00000000058BC000-memory.dmp

memory/4812-17-0x00000000058C0000-0x000000000590C000-memory.dmp

memory/4812-18-0x0000000005B30000-0x0000000005C3A000-memory.dmp

memory/4812-19-0x0000000000BD0000-0x00000000012C4000-memory.dmp

memory/4812-21-0x0000000075530000-0x0000000075620000-memory.dmp

memory/4812-22-0x0000000075530000-0x0000000075620000-memory.dmp

memory/4812-23-0x0000000075530000-0x0000000075620000-memory.dmp

memory/4812-26-0x0000000075530000-0x0000000075620000-memory.dmp

memory/4812-25-0x0000000075530000-0x0000000075620000-memory.dmp

memory/4812-28-0x0000000075530000-0x0000000075620000-memory.dmp

memory/4812-27-0x0000000075530000-0x0000000075620000-memory.dmp