Malware Analysis Report

2025-01-02 10:55

Sample ID 241016-cx7v6ssdnj
Target 71e552270361997f7b42b4ffa227ebd6a791948bfed757e61f2c3c7390bacaa3.exe
SHA256 71e552270361997f7b42b4ffa227ebd6a791948bfed757e61f2c3c7390bacaa3
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

71e552270361997f7b42b4ffa227ebd6a791948bfed757e61f2c3c7390bacaa3

Threat Level: Known bad

The file 71e552270361997f7b42b4ffa227ebd6a791948bfed757e61f2c3c7390bacaa3.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan discovery

SmokeLoader

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-16 02:28

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-16 02:28

Reported

2024-10-16 02:30

Platform

win7-20240708-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\71e552270361997f7b42b4ffa227ebd6a791948bfed757e61f2c3c7390bacaa3.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Processes

C:\Users\Admin\AppData\Local\Temp\71e552270361997f7b42b4ffa227ebd6a791948bfed757e61f2c3c7390bacaa3.exe

"C:\Users\Admin\AppData\Local\Temp\71e552270361997f7b42b4ffa227ebd6a791948bfed757e61f2c3c7390bacaa3.exe"

Network

N/A

Files

memory/2328-4-0x0000000000540000-0x0000000000640000-memory.dmp

memory/2328-3-0x0000000000220000-0x000000000022B000-memory.dmp

memory/2328-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2328-1-0x0000000000400000-0x0000000000478000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-16 02:28

Reported

2024-10-16 02:30

Platform

win10v2004-20241007-en

Max time kernel

139s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\71e552270361997f7b42b4ffa227ebd6a791948bfed757e61f2c3c7390bacaa3.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\71e552270361997f7b42b4ffa227ebd6a791948bfed757e61f2c3c7390bacaa3.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\71e552270361997f7b42b4ffa227ebd6a791948bfed757e61f2c3c7390bacaa3.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\71e552270361997f7b42b4ffa227ebd6a791948bfed757e61f2c3c7390bacaa3.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\71e552270361997f7b42b4ffa227ebd6a791948bfed757e61f2c3c7390bacaa3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\71e552270361997f7b42b4ffa227ebd6a791948bfed757e61f2c3c7390bacaa3.exe

"C:\Users\Admin\AppData\Local\Temp\71e552270361997f7b42b4ffa227ebd6a791948bfed757e61f2c3c7390bacaa3.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2576 -ip 2576

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2576 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.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 43.58.199.20.in-addr.arpa udp

Files

memory/2576-3-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2576-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2576-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

memory/2576-4-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2576-5-0x0000000000400000-0x000000000040B000-memory.dmp