Malware Analysis Report

2024-11-13 18:56

Sample ID 240217-vef9lsgh2s
Target 76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd
SHA256 76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd
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

76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd

Threat Level: Known bad

The file 76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd 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

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-17 16:53

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-02-17 16:53

Reported

2024-02-17 16:56

Platform

win7-20231215-en

Max time kernel

150s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd.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\76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd.exe

"C:\Users\Admin\AppData\Local\Temp\76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 sjyey.com udp
CO 186.147.159.149:80 sjyey.com tcp
CO 186.147.159.149:80 sjyey.com tcp
CO 186.147.159.149:80 sjyey.com tcp
CO 186.147.159.149:80 sjyey.com tcp
CO 186.147.159.149:80 sjyey.com tcp
CO 186.147.159.149:80 sjyey.com tcp
CO 186.147.159.149:80 sjyey.com tcp

Files

memory/2140-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

memory/2140-3-0x0000000000400000-0x000000000044C000-memory.dmp

memory/2140-2-0x00000000001B0000-0x00000000001BB000-memory.dmp

memory/2140-5-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1308-4-0x0000000002AB0000-0x0000000002AC6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-17 16:53

Reported

2024-02-17 16:56

Platform

win10v2004-20231222-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd.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\76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd.exe

"C:\Users\Admin\AppData\Local\Temp\76d54deaf54a2d36466d141df05cc962f57bcb759305322e64180ce367a7addd.exe"

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 178.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 sjyey.com udp
UY 186.48.56.30:80 sjyey.com tcp
UY 186.48.56.30:80 sjyey.com tcp
US 8.8.8.8:53 30.56.48.186.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
UY 186.48.56.30:80 sjyey.com tcp
UY 186.48.56.30:80 sjyey.com tcp
UY 186.48.56.30:80 sjyey.com tcp
UY 186.48.56.30:80 sjyey.com tcp
UY 186.48.56.30:80 sjyey.com tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 209.178.17.96.in-addr.arpa udp

Files

memory/3696-1-0x0000000000580000-0x0000000000680000-memory.dmp

memory/3696-2-0x0000000000570000-0x000000000057B000-memory.dmp

memory/3696-3-0x0000000000400000-0x000000000044C000-memory.dmp

memory/3532-4-0x0000000002820000-0x0000000002836000-memory.dmp

memory/3696-5-0x0000000000400000-0x000000000044C000-memory.dmp