Malware Analysis Report

2024-12-08 00:45

Sample ID 240107-x2m2saccgm
Target 5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.exe
SHA256 5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2
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

5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2

Threat Level: Known bad

The file 5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Uses Task Scheduler COM API

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-07 19:21

Signatures

Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-01-07 19:21

Reported

2024-01-07 19:24

Platform

win7-20231215-en

Max time kernel

88s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.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\5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.exe

"C:\Users\Admin\AppData\Local\Temp\5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 directorycart.com udp
CA 157.53.227.1:80 directorycart.com tcp
US 8.8.8.8:53 tierzahnarzt.at udp
DE 3.64.163.50:80 tierzahnarzt.at tcp
US 8.8.8.8:53 streetofcards.com udp
US 8.8.8.8:53 ycdfzd.com udp
US 8.8.8.8:53 successcoachceo.com udp
US 8.8.8.8:53 uhvu.cn udp
HK 103.120.80.155:80 uhvu.cn tcp
US 8.8.8.8:53 japanarticle.com udp
ID 34.128.82.12:80 japanarticle.com tcp

Files

memory/2692-2-0x0000000000220000-0x0000000000229000-memory.dmp

memory/2692-1-0x0000000001830000-0x0000000001930000-memory.dmp

memory/2692-3-0x0000000000400000-0x00000000016BD000-memory.dmp

memory/1212-4-0x0000000002E80000-0x0000000002E96000-memory.dmp

memory/2692-5-0x0000000000400000-0x00000000016BD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-07 19:21

Reported

2024-01-07 19:25

Platform

win10v2004-20231215-en

Max time kernel

203s

Max time network

215s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.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\5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.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\5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.exe

"C:\Users\Admin\AppData\Local\Temp\5eff7e99184b9c8352125aaf8aa9d72e33049c52dc4eb7a69d509da3e7004cb2exe.exe"

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 179.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 167.109.18.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 directorycart.com udp
CA 157.53.227.1:80 directorycart.com tcp
US 8.8.8.8:53 tierzahnarzt.at udp
DE 3.64.163.50:80 tierzahnarzt.at tcp
US 8.8.8.8:53 streetofcards.com udp
US 8.8.8.8:53 ycdfzd.com udp
US 8.8.8.8:53 successcoachceo.com udp
US 8.8.8.8:53 uhvu.cn udp
HK 103.120.80.155:80 uhvu.cn tcp
US 8.8.8.8:53 1.227.53.157.in-addr.arpa udp
US 8.8.8.8:53 50.163.64.3.in-addr.arpa udp
US 8.8.8.8:53 japanarticle.com udp
ID 34.128.82.12:80 japanarticle.com tcp
US 8.8.8.8:53 155.80.120.103.in-addr.arpa udp
US 8.8.8.8:53 12.82.128.34.in-addr.arpa udp
US 8.8.8.8:53 73.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 213.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 48.179.17.96.in-addr.arpa udp

Files

memory/2156-1-0x00000000017E0000-0x00000000018E0000-memory.dmp

memory/2156-2-0x00000000032C0000-0x00000000032C9000-memory.dmp

memory/2156-3-0x0000000000400000-0x00000000016BD000-memory.dmp

memory/2156-4-0x0000000000400000-0x00000000016BD000-memory.dmp

memory/3388-5-0x0000000000A20000-0x0000000000A36000-memory.dmp

memory/2156-7-0x0000000000400000-0x00000000016BD000-memory.dmp

memory/2156-9-0x00000000032C0000-0x00000000032C9000-memory.dmp