Malware Analysis Report

2025-01-02 10:56

Sample ID 241014-ya8d3ssema
Target 40c8a5369b14d0967fff9cd5ad43f758.exe
SHA256 75710e4a218440b1e9e330f231cfca45d5f7c41eacf9a7bd45bfd06042b79eac
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

75710e4a218440b1e9e330f231cfca45d5f7c41eacf9a7bd45bfd06042b79eac

Threat Level: Known bad

The file 40c8a5369b14d0967fff9cd5ad43f758.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

2024-10-14 19:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-14 19:36

Reported

2024-10-14 19:38

Platform

win7-20241010-en

Max time kernel

15s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\40c8a5369b14d0967fff9cd5ad43f758.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Processes

C:\Users\Admin\AppData\Local\Temp\40c8a5369b14d0967fff9cd5ad43f758.exe

"C:\Users\Admin\AppData\Local\Temp\40c8a5369b14d0967fff9cd5ad43f758.exe"

Network

N/A

Files

memory/2820-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2820-1-0x0000000002CD0000-0x0000000002DD0000-memory.dmp

memory/2820-4-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2820-3-0x0000000000400000-0x0000000002B41000-memory.dmp

memory/2820-5-0x0000000000400000-0x0000000002B41000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-14 19:36

Reported

2024-10-14 19:38

Platform

win10v2004-20241007-en

Max time kernel

135s

Max time network

107s

Command Line

"C:\Users\Admin\AppData\Local\Temp\40c8a5369b14d0967fff9cd5ad43f758.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\40c8a5369b14d0967fff9cd5ad43f758.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\40c8a5369b14d0967fff9cd5ad43f758.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\40c8a5369b14d0967fff9cd5ad43f758.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\40c8a5369b14d0967fff9cd5ad43f758.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\40c8a5369b14d0967fff9cd5ad43f758.exe

"C:\Users\Admin\AppData\Local\Temp\40c8a5369b14d0967fff9cd5ad43f758.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2420 -ip 2420

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 352

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 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 73.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/2420-1-0x0000000002D80000-0x0000000002E80000-memory.dmp

memory/2420-2-0x0000000002CA0000-0x0000000002CAB000-memory.dmp

memory/2420-3-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2420-6-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2420-5-0x0000000002CA0000-0x0000000002CAB000-memory.dmp

memory/2420-4-0x0000000000400000-0x0000000002B41000-memory.dmp