Malware Analysis Report

2025-01-02 11:40

Sample ID 241004-pjbl2atdjl
Target 3ef5af57dd959f15d6d5eef088ed90e8.exe
SHA256 d983c149edd9a0327e4849ccad36a03cf1e65a90455a17d1cd33e299e3c0c955
Tags
smokeloader pub2 backdoor discovery 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

d983c149edd9a0327e4849ccad36a03cf1e65a90455a17d1cd33e299e3c0c955

Threat Level: Known bad

The file 3ef5af57dd959f15d6d5eef088ed90e8.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub2 backdoor discovery trojan

SmokeLoader

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-04 12:21

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-04 12:21

Reported

2024-10-04 12:23

Platform

win10v2004-20240802-en

Max time kernel

95s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3ef5af57dd959f15d6d5eef088ed90e8.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\3ef5af57dd959f15d6d5eef088ed90e8.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\3ef5af57dd959f15d6d5eef088ed90e8.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\3ef5af57dd959f15d6d5eef088ed90e8.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\3ef5af57dd959f15d6d5eef088ed90e8.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3ef5af57dd959f15d6d5eef088ed90e8.exe

"C:\Users\Admin\AppData\Local\Temp\3ef5af57dd959f15d6d5eef088ed90e8.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3780 -ip 3780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/3780-1-0x0000000000790000-0x0000000000890000-memory.dmp

memory/3780-2-0x0000000002280000-0x000000000228B000-memory.dmp

memory/3780-3-0x0000000000400000-0x000000000040B000-memory.dmp

memory/3780-5-0x0000000002280000-0x000000000228B000-memory.dmp

memory/3780-6-0x0000000000400000-0x000000000040B000-memory.dmp

memory/3780-4-0x0000000000400000-0x0000000000539000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-04 12:21

Reported

2024-10-04 12:23

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3ef5af57dd959f15d6d5eef088ed90e8.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Processes

C:\Users\Admin\AppData\Local\Temp\3ef5af57dd959f15d6d5eef088ed90e8.exe

"C:\Users\Admin\AppData\Local\Temp\3ef5af57dd959f15d6d5eef088ed90e8.exe"

Network

N/A

Files

memory/2276-1-0x0000000000270000-0x0000000000370000-memory.dmp

memory/2276-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2276-4-0x0000000000400000-0x0000000000539000-memory.dmp