Malware Analysis Report

2025-01-02 10:55

Sample ID 241016-bh9wjsvdqf
Target 0cf8ad6b4b1a25137fb42e0d831386e514620c851f782e37ebbd0d68105eb3d1.exe
SHA256 0cf8ad6b4b1a25137fb42e0d831386e514620c851f782e37ebbd0d68105eb3d1
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: 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

0cf8ad6b4b1a25137fb42e0d831386e514620c851f782e37ebbd0d68105eb3d1

Threat Level: Known bad

The file 0cf8ad6b4b1a25137fb42e0d831386e514620c851f782e37ebbd0d68105eb3d1.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

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-16 01:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-16 01:09

Reported

2024-10-16 01:12

Platform

win7-20240708-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0cf8ad6b4b1a25137fb42e0d831386e514620c851f782e37ebbd0d68105eb3d1.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\0cf8ad6b4b1a25137fb42e0d831386e514620c851f782e37ebbd0d68105eb3d1.exe

"C:\Users\Admin\AppData\Local\Temp\0cf8ad6b4b1a25137fb42e0d831386e514620c851f782e37ebbd0d68105eb3d1.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2520 -s 136

Network

N/A

Files

memory/2520-1-0x0000000000270000-0x0000000000370000-memory.dmp

memory/2520-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2520-3-0x0000000000400000-0x000000000047C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-16 01:09

Reported

2024-10-16 01:12

Platform

win10v2004-20241007-en

Max time kernel

139s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0cf8ad6b4b1a25137fb42e0d831386e514620c851f782e37ebbd0d68105eb3d1.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\0cf8ad6b4b1a25137fb42e0d831386e514620c851f782e37ebbd0d68105eb3d1.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\0cf8ad6b4b1a25137fb42e0d831386e514620c851f782e37ebbd0d68105eb3d1.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\0cf8ad6b4b1a25137fb42e0d831386e514620c851f782e37ebbd0d68105eb3d1.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\0cf8ad6b4b1a25137fb42e0d831386e514620c851f782e37ebbd0d68105eb3d1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0cf8ad6b4b1a25137fb42e0d831386e514620c851f782e37ebbd0d68105eb3d1.exe

"C:\Users\Admin\AppData\Local\Temp\0cf8ad6b4b1a25137fb42e0d831386e514620c851f782e37ebbd0d68105eb3d1.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2344 -ip 2344

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2344 -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 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.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 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.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/2344-1-0x0000000000680000-0x0000000000780000-memory.dmp

memory/2344-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2344-3-0x0000000000400000-0x000000000047C000-memory.dmp

memory/2344-6-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2344-5-0x0000000000400000-0x000000000047C000-memory.dmp