Malware Analysis Report

2025-01-02 10:56

Sample ID 241019-k5la5sxhrb
Target aa255022717ce2fe7d6cb096ef91d15e.exe
SHA256 df6df345690b11a2fa15db713d36614a603af22e68d8b85bd7b663aaa48bf48e
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

df6df345690b11a2fa15db713d36614a603af22e68d8b85bd7b663aaa48bf48e

Threat Level: Known bad

The file aa255022717ce2fe7d6cb096ef91d15e.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan discovery

SmokeLoader

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-19 09:11

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-19 09:11

Reported

2024-10-19 09:13

Platform

win7-20240903-en

Max time kernel

121s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aa255022717ce2fe7d6cb096ef91d15e.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Processes

C:\Users\Admin\AppData\Local\Temp\aa255022717ce2fe7d6cb096ef91d15e.exe

"C:\Users\Admin\AppData\Local\Temp\aa255022717ce2fe7d6cb096ef91d15e.exe"

Network

N/A

Files

memory/2356-0-0x0000000000220000-0x000000000024B000-memory.dmp

memory/2356-1-0x0000000000250000-0x000000000025B000-memory.dmp

memory/2356-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2356-5-0x0000000000220000-0x000000000024B000-memory.dmp

memory/2356-4-0x0000000000250000-0x000000000025B000-memory.dmp

memory/2356-3-0x0000000000400000-0x0000000000479000-memory.dmp

memory/2356-6-0x0000000000400000-0x000000000040B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-19 09:11

Reported

2024-10-19 09:13

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aa255022717ce2fe7d6cb096ef91d15e.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\aa255022717ce2fe7d6cb096ef91d15e.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\aa255022717ce2fe7d6cb096ef91d15e.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\aa255022717ce2fe7d6cb096ef91d15e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\aa255022717ce2fe7d6cb096ef91d15e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aa255022717ce2fe7d6cb096ef91d15e.exe

"C:\Users\Admin\AppData\Local\Temp\aa255022717ce2fe7d6cb096ef91d15e.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 180 -ip 180

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 180 -s 356

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.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
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/180-0-0x00000000021D0000-0x00000000021FB000-memory.dmp

memory/180-1-0x0000000000620000-0x000000000062B000-memory.dmp

memory/180-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/180-3-0x0000000000400000-0x0000000000479000-memory.dmp

memory/180-4-0x00000000021D0000-0x00000000021FB000-memory.dmp

memory/180-6-0x0000000000400000-0x000000000040B000-memory.dmp

memory/180-5-0x0000000000620000-0x000000000062B000-memory.dmp