Malware Analysis Report

2025-01-02 10:55

Sample ID 241018-ca3myazcjc
Target df738d4bbe1bc7cd8b4bc8b1b136aade.bin
SHA256 42371dff4ddd36084a436fce5b73dd937e3ae1ce317a874fdc73f6e26de2da9a
Tags
smokeloader pub1 backdoor trojan discovery
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

42371dff4ddd36084a436fce5b73dd937e3ae1ce317a874fdc73f6e26de2da9a

Threat Level: Known bad

The file df738d4bbe1bc7cd8b4bc8b1b136aade.bin was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan discovery

SmokeLoader

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-18 01:53

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-18 01:53

Reported

2024-10-18 01:55

Platform

win7-20241010-en

Max time kernel

118s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\62469fe28764545471f447f88db812a162e9fe0af09f93b343c192a306600743.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Processes

C:\Users\Admin\AppData\Local\Temp\62469fe28764545471f447f88db812a162e9fe0af09f93b343c192a306600743.exe

"C:\Users\Admin\AppData\Local\Temp\62469fe28764545471f447f88db812a162e9fe0af09f93b343c192a306600743.exe"

Network

N/A

Files

memory/2420-4-0x0000000000220000-0x000000000022B000-memory.dmp

memory/2420-3-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2420-2-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2420-1-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2420-5-0x0000000000580000-0x0000000000680000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-18 01:53

Reported

2024-10-18 01:55

Platform

win10v2004-20241007-en

Max time kernel

128s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\62469fe28764545471f447f88db812a162e9fe0af09f93b343c192a306600743.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\62469fe28764545471f447f88db812a162e9fe0af09f93b343c192a306600743.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\62469fe28764545471f447f88db812a162e9fe0af09f93b343c192a306600743.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\62469fe28764545471f447f88db812a162e9fe0af09f93b343c192a306600743.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\62469fe28764545471f447f88db812a162e9fe0af09f93b343c192a306600743.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\62469fe28764545471f447f88db812a162e9fe0af09f93b343c192a306600743.exe

"C:\Users\Admin\AppData\Local\Temp\62469fe28764545471f447f88db812a162e9fe0af09f93b343c192a306600743.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2284 -ip 2284

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.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 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.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/2284-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2284-1-0x00000000006D0000-0x00000000007D0000-memory.dmp

memory/2284-3-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2284-5-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2284-4-0x0000000000400000-0x000000000046D000-memory.dmp