Malware Analysis Report

2024-12-08 00:42

Sample ID 240123-dr6llagaa2
Target d7eb93b2a91b8ffee46a4a7d2e9dd232.bin
SHA256 3821a14f4e99603b476a9effed3ce1c345272832ff42ae0af3c62f263ef7b524
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

3821a14f4e99603b476a9effed3ce1c345272832ff42ae0af3c62f263ef7b524

Threat Level: Known bad

The file d7eb93b2a91b8ffee46a4a7d2e9dd232.bin 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

2024-01-23 03:15

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-01-23 03:15

Reported

2024-01-23 03:18

Platform

win7-20231215-en

Max time kernel

150s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1de489805895c5c666547d588f1d762dbc28b6be48002b99e3404957ecf8fc08.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\1de489805895c5c666547d588f1d762dbc28b6be48002b99e3404957ecf8fc08.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\1de489805895c5c666547d588f1d762dbc28b6be48002b99e3404957ecf8fc08.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\1de489805895c5c666547d588f1d762dbc28b6be48002b99e3404957ecf8fc08.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1de489805895c5c666547d588f1d762dbc28b6be48002b99e3404957ecf8fc08.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1de489805895c5c666547d588f1d762dbc28b6be48002b99e3404957ecf8fc08.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1de489805895c5c666547d588f1d762dbc28b6be48002b99e3404957ecf8fc08.exe

"C:\Users\Admin\AppData\Local\Temp\1de489805895c5c666547d588f1d762dbc28b6be48002b99e3404957ecf8fc08.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 gxutc2c.com udp
PE 190.12.87.61:80 gxutc2c.com tcp
PE 190.12.87.61:80 gxutc2c.com tcp
PE 190.12.87.61:80 gxutc2c.com tcp
PE 190.12.87.61:80 gxutc2c.com tcp
PE 190.12.87.61:80 gxutc2c.com tcp
PE 190.12.87.61:80 gxutc2c.com tcp
PE 190.12.87.61:80 gxutc2c.com tcp
PE 190.12.87.61:80 gxutc2c.com tcp
PE 190.12.87.61:80 gxutc2c.com tcp
PE 190.12.87.61:80 gxutc2c.com tcp
PE 190.12.87.61:80 gxutc2c.com tcp
PE 190.12.87.61:80 gxutc2c.com tcp
PE 190.12.87.61:80 gxutc2c.com tcp
PE 190.12.87.61:80 gxutc2c.com tcp

Files

memory/1696-1-0x00000000004F0000-0x00000000005F0000-memory.dmp

memory/1696-2-0x0000000000220000-0x000000000022B000-memory.dmp

memory/1696-3-0x0000000000400000-0x000000000043B000-memory.dmp

memory/1696-5-0x0000000000400000-0x000000000043B000-memory.dmp

memory/1384-4-0x00000000025E0000-0x00000000025F6000-memory.dmp

memory/1696-7-0x0000000000220000-0x000000000022B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-23 03:15

Reported

2024-01-23 03:18

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1de489805895c5c666547d588f1d762dbc28b6be48002b99e3404957ecf8fc08.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\1de489805895c5c666547d588f1d762dbc28b6be48002b99e3404957ecf8fc08.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\1de489805895c5c666547d588f1d762dbc28b6be48002b99e3404957ecf8fc08.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\1de489805895c5c666547d588f1d762dbc28b6be48002b99e3404957ecf8fc08.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1de489805895c5c666547d588f1d762dbc28b6be48002b99e3404957ecf8fc08.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1de489805895c5c666547d588f1d762dbc28b6be48002b99e3404957ecf8fc08.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
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Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\1de489805895c5c666547d588f1d762dbc28b6be48002b99e3404957ecf8fc08.exe

"C:\Users\Admin\AppData\Local\Temp\1de489805895c5c666547d588f1d762dbc28b6be48002b99e3404957ecf8fc08.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 gxutc2c.com udp
MX 201.119.124.51:80 gxutc2c.com tcp
MX 201.119.124.51:80 gxutc2c.com tcp
US 8.8.8.8:53 51.124.119.201.in-addr.arpa udp
MX 201.119.124.51:80 gxutc2c.com tcp
MX 201.119.124.51:80 gxutc2c.com tcp
MX 201.119.124.51:80 gxutc2c.com tcp
MX 201.119.124.51:80 gxutc2c.com tcp
MX 201.119.124.51:80 gxutc2c.com tcp
MX 201.119.124.51:80 gxutc2c.com tcp
MX 201.119.124.51:80 gxutc2c.com tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
MX 201.119.124.51:80 gxutc2c.com tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
MX 201.119.124.51:80 gxutc2c.com tcp
MX 201.119.124.51:80 gxutc2c.com tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
MX 201.119.124.51:80 gxutc2c.com tcp
MX 201.119.124.51:80 gxutc2c.com tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.179.89.13.in-addr.arpa udp

Files

memory/2896-1-0x0000000000440000-0x0000000000540000-memory.dmp

memory/2896-2-0x00000000008A0000-0x00000000008AB000-memory.dmp

memory/2896-3-0x0000000000400000-0x000000000043B000-memory.dmp

memory/3520-4-0x00000000028A0000-0x00000000028B6000-memory.dmp

memory/2896-5-0x0000000000400000-0x000000000043B000-memory.dmp

memory/2896-8-0x00000000008A0000-0x00000000008AB000-memory.dmp