Malware Analysis Report

2025-06-15 22:57

Sample ID 241109-gv6bsazaka
Target 4907361444ae3384fbd1a8bd496741d7dc200d75e6e6b0ccf00061a83eac6b21
SHA256 4907361444ae3384fbd1a8bd496741d7dc200d75e6e6b0ccf00061a83eac6b21
Tags
smokeloader 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

4907361444ae3384fbd1a8bd496741d7dc200d75e6e6b0ccf00061a83eac6b21

Threat Level: Known bad

The file 4907361444ae3384fbd1a8bd496741d7dc200d75e6e6b0ccf00061a83eac6b21 was found to be: Known bad.

Malicious Activity Summary

smokeloader backdoor discovery trojan

SmokeLoader

Smokeloader family

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Checks SCSI registry key(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 06:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 06:08

Reported

2024-11-09 06:11

Platform

win7-20240729-en

Max time kernel

16s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9f2af1a4c1a32ce29e548fd6e62d0b7e377dc438750a0b3465bd8d05d9768f74.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\9f2af1a4c1a32ce29e548fd6e62d0b7e377dc438750a0b3465bd8d05d9768f74.exe

"C:\Users\Admin\AppData\Local\Temp\9f2af1a4c1a32ce29e548fd6e62d0b7e377dc438750a0b3465bd8d05d9768f74.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1040 -s 172

Network

N/A

Files

memory/1040-1-0x0000000000520000-0x0000000000620000-memory.dmp

memory/1040-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1040-3-0x0000000000400000-0x0000000000457000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 06:08

Reported

2024-11-09 06:11

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9f2af1a4c1a32ce29e548fd6e62d0b7e377dc438750a0b3465bd8d05d9768f74.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Smokeloader family

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\9f2af1a4c1a32ce29e548fd6e62d0b7e377dc438750a0b3465bd8d05d9768f74.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\9f2af1a4c1a32ce29e548fd6e62d0b7e377dc438750a0b3465bd8d05d9768f74.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\9f2af1a4c1a32ce29e548fd6e62d0b7e377dc438750a0b3465bd8d05d9768f74.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\9f2af1a4c1a32ce29e548fd6e62d0b7e377dc438750a0b3465bd8d05d9768f74.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9f2af1a4c1a32ce29e548fd6e62d0b7e377dc438750a0b3465bd8d05d9768f74.exe

"C:\Users\Admin\AppData\Local\Temp\9f2af1a4c1a32ce29e548fd6e62d0b7e377dc438750a0b3465bd8d05d9768f74.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4816 -ip 4816

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4816 -s 488

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 71.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4816-1-0x0000000000710000-0x0000000000810000-memory.dmp

memory/4816-2-0x00000000005F0000-0x00000000005F9000-memory.dmp

memory/4816-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4816-4-0x0000000000400000-0x0000000000457000-memory.dmp

memory/4816-5-0x00000000005F0000-0x00000000005F9000-memory.dmp

memory/4816-6-0x0000000000400000-0x0000000000409000-memory.dmp