Malware Analysis Report

2025-01-02 11:08

Sample ID 240306-y5gjvahe3s
Target b77fea1068099706f3f5d74f346ba334
SHA256 62c4f92778d0bd5831fad52da33914cd561ecefb6f5853925dc989bce3ffa3c9
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

62c4f92778d0bd5831fad52da33914cd561ecefb6f5853925dc989bce3ffa3c9

Threat Level: Known bad

The file b77fea1068099706f3f5d74f346ba334 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Uses Task Scheduler COM API

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-06 20:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-06 20:21

Reported

2024-03-06 20:24

Platform

win7-20240221-en

Max time kernel

150s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b77fea1068099706f3f5d74f346ba334.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\b77fea1068099706f3f5d74f346ba334.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\b77fea1068099706f3f5d74f346ba334.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\b77fea1068099706f3f5d74f346ba334.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b77fea1068099706f3f5d74f346ba334.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b77fea1068099706f3f5d74f346ba334.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b77fea1068099706f3f5d74f346ba334.exe

"C:\Users\Admin\AppData\Local\Temp\b77fea1068099706f3f5d74f346ba334.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/1932-2-0x0000000000220000-0x0000000000229000-memory.dmp

memory/1932-1-0x0000000002E30000-0x0000000002F30000-memory.dmp

memory/1932-3-0x0000000000400000-0x0000000002C6D000-memory.dmp

memory/1176-4-0x0000000002E20000-0x0000000002E36000-memory.dmp

memory/1932-5-0x0000000000400000-0x0000000002C6D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-06 20:21

Reported

2024-03-06 20:24

Platform

win10v2004-20240226-en

Max time kernel

158s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b77fea1068099706f3f5d74f346ba334.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\b77fea1068099706f3f5d74f346ba334.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\b77fea1068099706f3f5d74f346ba334.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\b77fea1068099706f3f5d74f346ba334.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b77fea1068099706f3f5d74f346ba334.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b77fea1068099706f3f5d74f346ba334.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b77fea1068099706f3f5d74f346ba334.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
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Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\b77fea1068099706f3f5d74f346ba334.exe

"C:\Users\Admin\AppData\Local\Temp\b77fea1068099706f3f5d74f346ba334.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 1.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 177.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 182.245.100.95.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.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 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 185.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.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
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 9.179.89.13.in-addr.arpa udp

Files

memory/988-1-0x0000000002F90000-0x0000000003090000-memory.dmp

memory/988-2-0x0000000002F10000-0x0000000002F19000-memory.dmp

memory/988-3-0x0000000000400000-0x0000000002C6D000-memory.dmp

memory/988-4-0x0000000000400000-0x0000000002C6D000-memory.dmp

memory/3340-5-0x0000000003090000-0x00000000030A6000-memory.dmp

memory/988-6-0x0000000000400000-0x0000000002C6D000-memory.dmp

memory/988-9-0x0000000002F10000-0x0000000002F19000-memory.dmp