Malware Analysis Report

2024-12-08 01:26

Sample ID 240722-hhm54stdnr
Target 2558f0f876a3b27713a7fe8d1861d54245971ae8501fa490c02946637036789e
SHA256 2558f0f876a3b27713a7fe8d1861d54245971ae8501fa490c02946637036789e
Tags
smokeloader backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

2558f0f876a3b27713a7fe8d1861d54245971ae8501fa490c02946637036789e

Threat Level: Known bad

The file 2558f0f876a3b27713a7fe8d1861d54245971ae8501fa490c02946637036789e was found to be: Known bad.

Malicious Activity Summary

smokeloader backdoor trojan

Smokeloader family

SmokeLoader

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-22 06:44

Signatures

Smokeloader family

smokeloader

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-22 06:44

Reported

2024-07-22 06:46

Platform

win7-20240708-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2558f0f876a3b27713a7fe8d1861d54245971ae8501fa490c02946637036789e.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2558f0f876a3b27713a7fe8d1861d54245971ae8501fa490c02946637036789e.exe

"C:\Users\Admin\AppData\Local\Temp\2558f0f876a3b27713a7fe8d1861d54245971ae8501fa490c02946637036789e.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 36

Network

N/A

Files

memory/2276-0-0x0000000000400000-0x000000000040B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-22 06:44

Reported

2024-07-22 06:46

Platform

win10v2004-20240704-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2558f0f876a3b27713a7fe8d1861d54245971ae8501fa490c02946637036789e.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Processes

C:\Users\Admin\AppData\Local\Temp\2558f0f876a3b27713a7fe8d1861d54245971ae8501fa490c02946637036789e.exe

"C:\Users\Admin\AppData\Local\Temp\2558f0f876a3b27713a7fe8d1861d54245971ae8501fa490c02946637036789e.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3464 -ip 3464

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 224

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 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.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/3464-0-0x0000000000400000-0x000000000040B000-memory.dmp