Malware Analysis Report

2025-01-02 11:13

Sample ID 240313-nzh6dacc21
Target c5cdf4c9d78205655a2592a499b92e8f
SHA256 5ec0c20ecf87a05f81cbf45da37943f2f2ebfead783364ff89dd843a2fcde08b
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

5ec0c20ecf87a05f81cbf45da37943f2f2ebfead783364ff89dd843a2fcde08b

Threat Level: Known bad

The file c5cdf4c9d78205655a2592a499b92e8f was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Program crash

Suspicious behavior: MapViewOfSection

Suspicious use of UnmapMainImage

Uses Task Scheduler COM API

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-13 11:49

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-03-13 11:49

Reported

2024-03-13 11:52

Platform

win7-20240221-en

Max time kernel

150s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c5cdf4c9d78205655a2592a499b92e8f.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\c5cdf4c9d78205655a2592a499b92e8f.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\c5cdf4c9d78205655a2592a499b92e8f.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\c5cdf4c9d78205655a2592a499b92e8f.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c5cdf4c9d78205655a2592a499b92e8f.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c5cdf4c9d78205655a2592a499b92e8f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c5cdf4c9d78205655a2592a499b92e8f.exe

"C:\Users\Admin\AppData\Local\Temp\c5cdf4c9d78205655a2592a499b92e8f.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 aucmoney.com udp
US 8.8.8.8:53 thegymmum.com udp
US 8.8.8.8:53 atvcampingtrips.com udp
US 8.8.8.8:53 kuapakualaman.com udp
US 8.8.8.8:53 renatazarazua.com udp
US 8.8.8.8:53 nasufmutlu.com udp

Files

memory/880-1-0x0000000002D50000-0x0000000002E50000-memory.dmp

memory/880-2-0x0000000000220000-0x0000000000229000-memory.dmp

memory/880-3-0x0000000000400000-0x0000000002CBE000-memory.dmp

memory/1216-4-0x0000000002B00000-0x0000000002B16000-memory.dmp

memory/880-5-0x0000000000400000-0x0000000002CBE000-memory.dmp

memory/880-8-0x0000000000220000-0x0000000000229000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-13 11:49

Reported

2024-03-13 11:52

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c5cdf4c9d78205655a2592a499b92e8f.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\c5cdf4c9d78205655a2592a499b92e8f.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\c5cdf4c9d78205655a2592a499b92e8f.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\c5cdf4c9d78205655a2592a499b92e8f.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c5cdf4c9d78205655a2592a499b92e8f.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c5cdf4c9d78205655a2592a499b92e8f.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c5cdf4c9d78205655a2592a499b92e8f.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

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\c5cdf4c9d78205655a2592a499b92e8f.exe

"C:\Users\Admin\AppData\Local\Temp\c5cdf4c9d78205655a2592a499b92e8f.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 764 -ip 764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 368

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 177.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 aucmoney.com udp
US 8.8.8.8:53 thegymmum.com udp
US 8.8.8.8:53 atvcampingtrips.com udp
US 8.8.8.8:53 kuapakualaman.com udp
US 8.8.8.8:53 renatazarazua.com udp
US 8.8.8.8:53 nasufmutlu.com udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 193.78.101.95.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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

Files

memory/764-2-0x0000000002D90000-0x0000000002D99000-memory.dmp

memory/764-1-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

memory/764-3-0x0000000000400000-0x0000000002CBE000-memory.dmp

memory/3296-4-0x0000000002210000-0x0000000002226000-memory.dmp

memory/764-7-0x0000000000400000-0x0000000002CBE000-memory.dmp