Malware Analysis Report

2025-01-02 11:07

Sample ID 240313-x8fw2sfh58
Target 50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d
SHA256 50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d
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

50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d

Threat Level: Known bad

The file 50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Suspicious use of SendNotifyMessage

Suspicious use of UnmapMainImage

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-13 19:31

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-13 19:31

Reported

2024-03-13 19:33

Platform

win7-20240221-en

Max time kernel

150s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d.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\50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
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Suspicious use of SendNotifyMessage

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

C:\Users\Admin\AppData\Local\Temp\50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d.exe

"C:\Users\Admin\AppData\Local\Temp\50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 nidoe.org udp
KR 175.119.10.231:80 nidoe.org tcp
KR 175.119.10.231:80 nidoe.org tcp
KR 175.119.10.231:80 nidoe.org tcp
KR 175.119.10.231:80 nidoe.org tcp
KR 175.119.10.231:80 nidoe.org tcp
KR 175.119.10.231:80 nidoe.org tcp
KR 175.119.10.231:80 nidoe.org tcp
KR 175.119.10.231:80 nidoe.org tcp
KR 175.119.10.231:80 nidoe.org tcp
KR 175.119.10.231:80 nidoe.org tcp
KR 175.119.10.231:80 nidoe.org tcp

Files

memory/2940-1-0x00000000008E0000-0x00000000009E0000-memory.dmp

memory/2940-2-0x0000000000220000-0x000000000022B000-memory.dmp

memory/2940-3-0x0000000000400000-0x0000000000474000-memory.dmp

memory/2940-5-0x0000000000400000-0x0000000000474000-memory.dmp

memory/1272-4-0x0000000002B80000-0x0000000002B96000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-13 19:31

Reported

2024-03-13 19:33

Platform

win10v2004-20240226-en

Max time kernel

151s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d.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\50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d.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\50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d.exe

"C:\Users\Admin\AppData\Local\Temp\50567036316a551233a644b2838a6a0f6cbd6799e03383eccec15cddd7bbc43d.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 207.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 nidoe.org udp
AR 190.220.21.28:80 nidoe.org tcp
US 8.8.8.8:53 28.21.220.190.in-addr.arpa udp
AR 190.220.21.28:80 nidoe.org tcp
AR 190.220.21.28:80 nidoe.org tcp
AR 190.220.21.28:80 nidoe.org tcp
AR 190.220.21.28:80 nidoe.org tcp
AR 190.220.21.28:80 nidoe.org tcp
AR 190.220.21.28:80 nidoe.org tcp
US 8.8.8.8:53 43.58.199.20.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 204.79.197.200:443 tse1.mm.bing.net tcp
AR 190.220.21.28:80 nidoe.org tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
AR 190.220.21.28:80 nidoe.org tcp
US 8.8.8.8:53 28.160.77.104.in-addr.arpa udp
AR 190.220.21.28:80 nidoe.org tcp
AR 190.220.21.28:80 nidoe.org tcp
US 8.8.8.8:53 185.13.222.173.in-addr.arpa udp
US 8.8.8.8:53 195.177.78.104.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 189.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 177.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 49.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 23.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 210.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 123.10.44.20.in-addr.arpa udp

Files

memory/3952-1-0x0000000000530000-0x0000000000630000-memory.dmp

memory/3952-2-0x0000000000510000-0x000000000051B000-memory.dmp

memory/3952-3-0x0000000000400000-0x0000000000474000-memory.dmp

memory/3276-4-0x0000000002B10000-0x0000000002B26000-memory.dmp

memory/3952-5-0x0000000000400000-0x0000000000474000-memory.dmp