Malware Analysis Report

2024-11-13 18:56

Sample ID 240220-fhw2xaca42
Target c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897
SHA256 c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897
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

c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897

Threat Level: Known bad

The file c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897 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 AdjustPrivilegeToken

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-20 04:52

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-02-20 04:52

Reported

2024-02-20 04:58

Platform

win7-20231215-en

Max time kernel

300s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897.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\c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A N/A N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897.exe

"C:\Users\Admin\AppData\Local\Temp\c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 sjyey.com udp
MX 201.119.77.63:80 sjyey.com tcp
MX 201.119.77.63:80 sjyey.com tcp
MX 201.119.77.63:80 sjyey.com tcp
MX 201.119.77.63:80 sjyey.com tcp
MX 201.119.77.63:80 sjyey.com tcp
MX 201.119.77.63:80 sjyey.com tcp
MX 201.119.77.63:80 sjyey.com tcp

Files

memory/1740-1-0x0000000000620000-0x0000000000720000-memory.dmp

memory/1740-3-0x0000000000400000-0x0000000000446000-memory.dmp

memory/1740-2-0x0000000000220000-0x000000000022B000-memory.dmp

memory/1740-5-0x0000000000400000-0x0000000000446000-memory.dmp

memory/1204-4-0x0000000003B90000-0x0000000003BA6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-20 04:52

Reported

2024-02-20 04:58

Platform

win10-20240214-en

Max time kernel

300s

Max time network

300s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897.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\c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897.exe

"C:\Users\Admin\AppData\Local\Temp\c996728f5ce1b3f9aa5c0eae973989541ecb0646e05540b213ff89aa93d1b897.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 sjyey.com udp
MK 95.86.30.3:80 sjyey.com tcp
MK 95.86.30.3:80 sjyey.com tcp
MK 95.86.30.3:80 sjyey.com tcp
MK 95.86.30.3:80 sjyey.com tcp
US 8.8.8.8:53 3.30.86.95.in-addr.arpa udp
MK 95.86.30.3:80 sjyey.com tcp
MK 95.86.30.3:80 sjyey.com tcp
MK 95.86.30.3:80 sjyey.com tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 208.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/3056-2-0x0000000000690000-0x000000000069B000-memory.dmp

memory/3056-1-0x00000000006E0000-0x00000000007E0000-memory.dmp

memory/3056-3-0x0000000000400000-0x0000000000446000-memory.dmp

memory/3420-4-0x0000000000EA0000-0x0000000000EB6000-memory.dmp

memory/3056-5-0x0000000000400000-0x0000000000446000-memory.dmp