Malware Analysis Report

2024-12-08 00:47

Sample ID 231229-15s9racagl
Target 0559c83246850589db278c734bb8f6f2
SHA256 5f3505c2f1b47c25e1c6cf80a4d26a58c3dbd9c9ced08cbbf381424834839aae
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

5f3505c2f1b47c25e1c6cf80a4d26a58c3dbd9c9ced08cbbf381424834839aae

Threat Level: Known bad

The file 0559c83246850589db278c734bb8f6f2 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of UnmapMainImage

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-29 22:14

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral2

Detonation Overview

Submitted

2023-12-29 22:14

Reported

2023-12-30 03:57

Platform

win10v2004-20231215-en

Max time kernel

165s

Max time network

162s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0559c83246850589db278c734bb8f6f2.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 opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\0559c83246850589db278c734bb8f6f2.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\0559c83246850589db278c734bb8f6f2.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\0559c83246850589db278c734bb8f6f2.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0559c83246850589db278c734bb8f6f2.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0559c83246850589db278c734bb8f6f2.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\0559c83246850589db278c734bb8f6f2.exe

"C:\Users\Admin\AppData\Local\Temp\0559c83246850589db278c734bb8f6f2.exe"

Network

Country Destination Domain Proto
US 138.91.171.81:80 tcp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 114.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.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 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 6.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/3488-1-0x00000000035E0000-0x00000000036E0000-memory.dmp

memory/3488-2-0x00000000035B0000-0x00000000035B9000-memory.dmp

memory/3488-3-0x0000000000400000-0x000000000324D000-memory.dmp

memory/3488-4-0x0000000000400000-0x000000000324D000-memory.dmp

memory/3532-5-0x0000000003990000-0x00000000039A6000-memory.dmp

memory/3488-6-0x0000000000400000-0x000000000324D000-memory.dmp

memory/3488-9-0x00000000035B0000-0x00000000035B9000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-29 22:14

Reported

2023-12-30 03:56

Platform

win7-20231215-en

Max time kernel

112s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0559c83246850589db278c734bb8f6f2.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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\0559c83246850589db278c734bb8f6f2.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\0559c83246850589db278c734bb8f6f2.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\0559c83246850589db278c734bb8f6f2.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0559c83246850589db278c734bb8f6f2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0559c83246850589db278c734bb8f6f2.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0559c83246850589db278c734bb8f6f2.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\0559c83246850589db278c734bb8f6f2.exe

"C:\Users\Admin\AppData\Local\Temp\0559c83246850589db278c734bb8f6f2.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/3020-2-0x0000000000220000-0x0000000000229000-memory.dmp

memory/3020-1-0x00000000032F0000-0x00000000033F0000-memory.dmp

memory/3020-3-0x0000000000400000-0x000000000324D000-memory.dmp

memory/1136-4-0x0000000002D30000-0x0000000002D46000-memory.dmp

memory/3020-5-0x0000000000400000-0x000000000324D000-memory.dmp