Malware Analysis Report

2024-12-08 00:42

Sample ID 240121-mkyf3sbgb5
Target SecuriteInfo.com.Win32.PWSX-gen.27268.14094.exe
SHA256 b996a1613f4254a630d0b3889c71e1c500be05a9c7a03ec97130ca0998009b70
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

b996a1613f4254a630d0b3889c71e1c500be05a9c7a03ec97130ca0998009b70

Threat Level: Known bad

The file SecuriteInfo.com.Win32.PWSX-gen.27268.14094.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of UnmapMainImage

Uses Task Scheduler COM API

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-21 10:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-21 10:32

Reported

2024-01-21 10:34

Platform

win7-20231215-en

Max time kernel

150s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.27268.14094.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\SecuriteInfo.com.Win32.PWSX-gen.27268.14094.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.27268.14094.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.27268.14094.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.27268.14094.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.27268.14094.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.27268.14094.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.27268.14094.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.27268.14094.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 gxutc2c.com udp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp

Files

memory/2240-1-0x0000000000500000-0x0000000000600000-memory.dmp

memory/2240-2-0x0000000000230000-0x000000000023B000-memory.dmp

memory/2240-3-0x0000000000400000-0x000000000043D000-memory.dmp

memory/2240-5-0x0000000000400000-0x000000000043D000-memory.dmp

memory/1204-4-0x0000000002960000-0x0000000002976000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-21 10:32

Reported

2024-01-21 10:34

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.27268.14094.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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.27268.14094.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.27268.14094.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.27268.14094.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.27268.14094.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.27268.14094.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.27268.14094.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\SecuriteInfo.com.Win32.PWSX-gen.27268.14094.exe

"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.27268.14094.exe"

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 gxutc2c.com udp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
US 8.8.8.8:53 9.254.120.175.in-addr.arpa udp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
KR 175.120.254.9:80 gxutc2c.com tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
KR 175.120.254.9:80 gxutc2c.com tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
KR 175.120.254.9:80 gxutc2c.com tcp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 77.239.69.13.in-addr.arpa udp

Files

memory/1404-3-0x0000000000400000-0x000000000043D000-memory.dmp

memory/1404-2-0x00000000005A0000-0x00000000005AB000-memory.dmp

memory/1404-1-0x00000000007A0000-0x00000000008A0000-memory.dmp

memory/3384-4-0x0000000002560000-0x0000000002576000-memory.dmp

memory/1404-5-0x0000000000400000-0x000000000043D000-memory.dmp

memory/1404-8-0x00000000005A0000-0x00000000005AB000-memory.dmp