Malware Analysis Report

2025-01-02 10:55

Sample ID 241018-bq1yls1bqj
Target 27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6.exe
SHA256 27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6
Tags
smokeloader pub1 backdoor trojan discovery
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

27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6

Threat Level: Known bad

The file 27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan discovery

SmokeLoader

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-18 01:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-18 01:21

Reported

2024-10-18 01:24

Platform

win7-20240903-en

Max time kernel

121s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Processes

C:\Users\Admin\AppData\Local\Temp\27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6.exe

"C:\Users\Admin\AppData\Local\Temp\27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6.exe"

Network

N/A

Files

memory/2400-1-0x0000000000590000-0x0000000000690000-memory.dmp

memory/2400-2-0x0000000000220000-0x000000000022B000-memory.dmp

memory/2400-3-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2400-4-0x0000000000400000-0x000000000046A000-memory.dmp

memory/2400-5-0x0000000000220000-0x000000000022B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-18 01:21

Reported

2024-10-18 01:24

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

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\27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6.exe

"C:\Users\Admin\AppData\Local\Temp\27ef27b61120a709590570f7fa86aa018f2e9b143bf97c4734720d2096b0bdf6.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1752 -ip 1752

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1752 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/1752-1-0x0000000000650000-0x0000000000750000-memory.dmp

memory/1752-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1752-3-0x0000000000400000-0x000000000046A000-memory.dmp

memory/1752-4-0x0000000000400000-0x000000000046A000-memory.dmp

memory/1752-5-0x0000000000400000-0x000000000040B000-memory.dmp