Malware Analysis Report

2024-12-08 00:43

Sample ID 240125-es1meafhb9
Target 73b4edc0da5a314cb1e38ed76e9dfb48
SHA256 952bcb282a5b75ec9159b0638121cdc46827d70fe626b37e9a589bd97896f570
Tags
smokeloader pub3 backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

952bcb282a5b75ec9159b0638121cdc46827d70fe626b37e9a589bd97896f570

Threat Level: Known bad

The file 73b4edc0da5a314cb1e38ed76e9dfb48 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of UnmapMainImage

Uses Task Scheduler COM API

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-25 04:12

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 04:12

Reported

2024-01-25 04:15

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\73b4edc0da5a314cb1e38ed76e9dfb48.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Deletes itself

Description Indicator Process Target
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Checks SCSI registry key(s)

Description Indicator Process Target
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\73b4edc0da5a314cb1e38ed76e9dfb48.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\73b4edc0da5a314cb1e38ed76e9dfb48.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\73b4edc0da5a314cb1e38ed76e9dfb48.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\73b4edc0da5a314cb1e38ed76e9dfb48.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\73b4edc0da5a314cb1e38ed76e9dfb48.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
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Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\73b4edc0da5a314cb1e38ed76e9dfb48.exe

"C:\Users\Admin\AppData\Local\Temp\73b4edc0da5a314cb1e38ed76e9dfb48.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 aucmoney.com udp
US 8.8.8.8:53 thegymmum.com udp
US 8.8.8.8:53 atvcampingtrips.com udp
US 8.8.8.8:53 kuapakualaman.com udp
US 8.8.8.8:53 renatazarazua.com udp
US 8.8.8.8:53 nasufmutlu.com udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 195.98.74.40.in-addr.arpa udp

Files

memory/876-1-0x0000000002F30000-0x0000000003030000-memory.dmp

memory/876-2-0x0000000000400000-0x0000000002C6A000-memory.dmp

memory/876-3-0x0000000002F10000-0x0000000002F19000-memory.dmp

memory/3364-4-0x00000000014F0000-0x0000000001506000-memory.dmp

memory/876-5-0x0000000000400000-0x0000000002C6A000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-25 04:12

Reported

2024-01-25 04:15

Platform

win7-20231215-en

Max time kernel

150s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\73b4edc0da5a314cb1e38ed76e9dfb48.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Deletes itself

Description Indicator Process Target
N/A N/A N/A 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\73b4edc0da5a314cb1e38ed76e9dfb48.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\73b4edc0da5a314cb1e38ed76e9dfb48.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\73b4edc0da5a314cb1e38ed76e9dfb48.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\73b4edc0da5a314cb1e38ed76e9dfb48.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\73b4edc0da5a314cb1e38ed76e9dfb48.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\73b4edc0da5a314cb1e38ed76e9dfb48.exe

"C:\Users\Admin\AppData\Local\Temp\73b4edc0da5a314cb1e38ed76e9dfb48.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 aucmoney.com udp
US 8.8.8.8:53 thegymmum.com udp
US 8.8.8.8:53 atvcampingtrips.com udp
US 8.8.8.8:53 kuapakualaman.com udp
US 8.8.8.8:53 renatazarazua.com udp
US 8.8.8.8:53 nasufmutlu.com udp

Files

memory/2528-1-0x0000000002D60000-0x0000000002E60000-memory.dmp

memory/2528-2-0x0000000000220000-0x0000000000229000-memory.dmp

memory/2528-3-0x0000000000400000-0x0000000002C6A000-memory.dmp

memory/1276-4-0x0000000002A50000-0x0000000002A66000-memory.dmp

memory/2528-5-0x0000000000400000-0x0000000002C6A000-memory.dmp

memory/2528-8-0x0000000000220000-0x0000000000229000-memory.dmp