Malware Analysis Report

2025-01-02 10:56

Sample ID 241014-r1xlyazelb
Target 2124-2-0x0000000000400000-0x000000000040B000-memory.dmp
SHA256 f2770b6ee8c9e16d3ca6b560fa0a076504729e6684c6497385df9d37127404ea
Tags
smokeloader backdoor discovery trojan pub1
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

f2770b6ee8c9e16d3ca6b560fa0a076504729e6684c6497385df9d37127404ea

Threat Level: Known bad

The file 2124-2-0x0000000000400000-0x000000000040B000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

smokeloader backdoor discovery trojan pub1

SmokeLoader

Smokeloader family

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-14 14:40

Signatures

Smokeloader family

smokeloader

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-14 14:40

Reported

2024-10-14 14:42

Platform

win7-20240903-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2124-2-0x0000000000400000-0x000000000040B000-memory.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\2124-2-0x0000000000400000-0x000000000040B000-memory.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2124-2-0x0000000000400000-0x000000000040B000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\2124-2-0x0000000000400000-0x000000000040B000-memory.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 36

Network

N/A

Files

memory/2612-0-0x0000000000400000-0x000000000040B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-14 14:40

Reported

2024-10-14 14:42

Platform

win10v2004-20241007-en

Max time kernel

138s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2124-2-0x0000000000400000-0x000000000040B000-memory.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\2124-2-0x0000000000400000-0x000000000040B000-memory.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2124-2-0x0000000000400000-0x000000000040B000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\2124-2-0x0000000000400000-0x000000000040B000-memory.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2348 -ip 2348

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 224

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.30.10:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 10.30.171.150.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 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 68.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.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 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/2348-0-0x0000000000400000-0x000000000040B000-memory.dmp