Malware Analysis Report

2024-12-08 00:45

Sample ID 231231-kk6fksahgl
Target 2f63f95eef770e3ef9191999a1a449f8
SHA256 5487ed133eb1c49f4291c4540eabba98d3f86e070de6cbf5d0e02c527a1536d4
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: 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

5487ed133eb1c49f4291c4540eabba98d3f86e070de6cbf5d0e02c527a1536d4

Threat Level: Known bad

The file 2f63f95eef770e3ef9191999a1a449f8 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Uses Task Scheduler COM API

Suspicious use of UnmapMainImage

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-31 08:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-31 08:40

Reported

2024-01-03 22:23

Platform

win7-20231215-en

Max time kernel

151s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2f63f95eef770e3ef9191999a1a449f8.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\2f63f95eef770e3ef9191999a1a449f8.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\2f63f95eef770e3ef9191999a1a449f8.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\2f63f95eef770e3ef9191999a1a449f8.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f63f95eef770e3ef9191999a1a449f8.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f63f95eef770e3ef9191999a1a449f8.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\2f63f95eef770e3ef9191999a1a449f8.exe

"C:\Users\Admin\AppData\Local\Temp\2f63f95eef770e3ef9191999a1a449f8.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/1088-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

memory/1088-2-0x00000000001B0000-0x00000000001B9000-memory.dmp

memory/1088-3-0x0000000000400000-0x0000000002C6D000-memory.dmp

memory/1364-4-0x0000000001CD0000-0x0000000001CE6000-memory.dmp

memory/1088-5-0x0000000000400000-0x0000000002C6D000-memory.dmp

memory/1088-8-0x00000000001B0000-0x00000000001B9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-31 08:40

Reported

2024-01-03 22:24

Platform

win10v2004-20231215-en

Max time kernel

157s

Max time network

166s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2f63f95eef770e3ef9191999a1a449f8.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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\2f63f95eef770e3ef9191999a1a449f8.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\2f63f95eef770e3ef9191999a1a449f8.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\2f63f95eef770e3ef9191999a1a449f8.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f63f95eef770e3ef9191999a1a449f8.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f63f95eef770e3ef9191999a1a449f8.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f63f95eef770e3ef9191999a1a449f8.exe N/A

Suspicious use of UnmapMainImage

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

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\2f63f95eef770e3ef9191999a1a449f8.exe

"C:\Users\Admin\AppData\Local\Temp\2f63f95eef770e3ef9191999a1a449f8.exe"

Network

Country Destination Domain Proto
US 138.91.171.81:80 tcp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 5.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
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 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 183.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 17.134.221.88.in-addr.arpa udp

Files

memory/5044-1-0x0000000002D80000-0x0000000002E80000-memory.dmp

memory/5044-2-0x00000000049B0000-0x00000000049B9000-memory.dmp

memory/5044-3-0x0000000000400000-0x0000000002C6D000-memory.dmp

memory/3352-4-0x0000000002E90000-0x0000000002EA6000-memory.dmp

memory/5044-5-0x0000000000400000-0x0000000002C6D000-memory.dmp

memory/5044-8-0x00000000049B0000-0x00000000049B9000-memory.dmp