Malware Analysis Report

2025-01-02 10:55

Sample ID 241016-cp5e3ssalm
Target 5197b6d2aa29076dabf4391c9f3d0c41.exe
SHA256 af1cd06ae9d17e6d05909d5031a72788989cb3980e7a456011091fc3ac77a07f
Tags
smokeloader pub1 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

af1cd06ae9d17e6d05909d5031a72788989cb3980e7a456011091fc3ac77a07f

Threat Level: Known bad

The file 5197b6d2aa29076dabf4391c9f3d0c41.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor discovery trojan

SmokeLoader

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Checks SCSI registry key(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-16 02:16

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-16 02:16

Reported

2024-10-16 02:18

Platform

win10v2004-20241007-en

Max time kernel

139s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5197b6d2aa29076dabf4391c9f3d0c41.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\5197b6d2aa29076dabf4391c9f3d0c41.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\5197b6d2aa29076dabf4391c9f3d0c41.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\5197b6d2aa29076dabf4391c9f3d0c41.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\5197b6d2aa29076dabf4391c9f3d0c41.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5197b6d2aa29076dabf4391c9f3d0c41.exe

"C:\Users\Admin\AppData\Local\Temp\5197b6d2aa29076dabf4391c9f3d0c41.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1388 -ip 1388

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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 10.28.171.150.in-addr.arpa udp

Files

memory/1388-1-0x00000000004A0000-0x00000000005A0000-memory.dmp

memory/1388-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1388-3-0x0000000000400000-0x000000000047C000-memory.dmp

memory/1388-4-0x0000000000400000-0x000000000047C000-memory.dmp

memory/1388-5-0x0000000000400000-0x000000000040B000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-16 02:16

Reported

2024-10-16 02:18

Platform

win7-20240903-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5197b6d2aa29076dabf4391c9f3d0c41.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\5197b6d2aa29076dabf4391c9f3d0c41.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5197b6d2aa29076dabf4391c9f3d0c41.exe

"C:\Users\Admin\AppData\Local\Temp\5197b6d2aa29076dabf4391c9f3d0c41.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 136

Network

N/A

Files

memory/2432-1-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2432-3-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2432-2-0x0000000000220000-0x000000000022B000-memory.dmp

memory/2432-4-0x0000000000400000-0x000000000047C000-memory.dmp