Malware Analysis Report

2025-01-02 11:13

Sample ID 240313-qext5sdf51
Target d36332be897a501db1745c49e24f54e2.exe
SHA256 2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d
Tags
smokeloader pub1 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

2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d

Threat Level: Known bad

The file d36332be897a501db1745c49e24f54e2.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Suspicious use of UnmapMainImage

Uses Task Scheduler COM API

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-13 13:11

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-13 13:11

Reported

2024-03-13 13:13

Platform

win7-20240221-en

Max time kernel

153s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d36332be897a501db1745c49e24f54e2.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\d36332be897a501db1745c49e24f54e2.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d36332be897a501db1745c49e24f54e2.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d36332be897a501db1745c49e24f54e2.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d36332be897a501db1745c49e24f54e2.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d36332be897a501db1745c49e24f54e2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d36332be897a501db1745c49e24f54e2.exe

"C:\Users\Admin\AppData\Local\Temp\d36332be897a501db1745c49e24f54e2.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 nidoe.org udp
PE 190.187.52.42:80 nidoe.org tcp
PE 190.187.52.42:80 nidoe.org tcp
PE 190.187.52.42:80 nidoe.org tcp
PE 190.187.52.42:80 nidoe.org tcp
PE 190.187.52.42:80 nidoe.org tcp
PE 190.187.52.42:80 nidoe.org tcp
PE 190.187.52.42:80 nidoe.org tcp
PE 190.187.52.42:80 nidoe.org tcp
PE 190.187.52.42:80 nidoe.org tcp
PE 190.187.52.42:80 nidoe.org tcp
PE 190.187.52.42:80 nidoe.org tcp

Files

memory/2368-1-0x00000000008E0000-0x00000000009E0000-memory.dmp

memory/2368-2-0x0000000000220000-0x000000000022B000-memory.dmp

memory/2368-3-0x0000000000400000-0x0000000000722000-memory.dmp

memory/2368-5-0x0000000000400000-0x0000000000722000-memory.dmp

memory/2368-8-0x0000000000220000-0x000000000022B000-memory.dmp

memory/1344-4-0x00000000029A0000-0x00000000029B6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-13 13:11

Reported

2024-03-13 13:13

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d36332be897a501db1745c49e24f54e2.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\d36332be897a501db1745c49e24f54e2.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d36332be897a501db1745c49e24f54e2.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\d36332be897a501db1745c49e24f54e2.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d36332be897a501db1745c49e24f54e2.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\d36332be897a501db1745c49e24f54e2.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d36332be897a501db1745c49e24f54e2.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\d36332be897a501db1745c49e24f54e2.exe

"C:\Users\Admin\AppData\Local\Temp\d36332be897a501db1745c49e24f54e2.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 186.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 nidoe.org udp
KR 211.202.224.10:80 nidoe.org tcp
US 8.8.8.8:53 10.224.202.211.in-addr.arpa udp
KR 211.202.224.10:80 nidoe.org tcp
KR 211.202.224.10:80 nidoe.org tcp
KR 211.202.224.10:80 nidoe.org tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
KR 211.202.224.10:80 nidoe.org tcp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
KR 211.202.224.10:80 nidoe.org tcp
US 8.8.8.8:53 23.160.77.104.in-addr.arpa udp
KR 211.202.224.10:80 nidoe.org tcp
KR 211.202.224.10:80 nidoe.org tcp
KR 211.202.224.10:80 nidoe.org tcp
KR 211.202.224.10:80 nidoe.org tcp
KR 211.202.224.10:80 nidoe.org tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.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 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/3104-1-0x00000000007E0000-0x00000000008E0000-memory.dmp

memory/3104-2-0x00000000007C0000-0x00000000007CB000-memory.dmp

memory/3104-3-0x0000000000400000-0x0000000000722000-memory.dmp

memory/3496-4-0x0000000002710000-0x0000000002726000-memory.dmp

memory/3104-5-0x0000000000400000-0x0000000000722000-memory.dmp