Malware Analysis Report

2024-12-08 00:48

Sample ID 231225-f37n5sfhb6
Target 07ceef005d2626297437e3289872bf40
SHA256 4d850649831a4cad6dd9d2a6b67fbacc70933c15dd4bd56ff6ffdb27da7aa4a8
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

4d850649831a4cad6dd9d2a6b67fbacc70933c15dd4bd56ff6ffdb27da7aa4a8

Threat Level: Known bad

The file 07ceef005d2626297437e3289872bf40 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor trojan

SmokeLoader

Loads dropped DLL

Deletes itself

Program crash

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Uses Task Scheduler COM API

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-25 05:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-25 05:24

Reported

2023-12-27 04:35

Platform

win7-20231129-en

Max time kernel

150s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Deletes itself

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe 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\07ceef005d2626297437e3289872bf40.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
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Suspicious use of SendNotifyMessage

Description Indicator Process Target
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Processes

C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe

"C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 conceitosseg.com udp
US 8.8.8.8:53 integrasidata.com udp
SG 172.104.187.4:80 integrasidata.com tcp
US 8.8.8.8:53 ozentekstil.com udp
TR 89.19.30.75:80 ozentekstil.com tcp
US 8.8.8.8:53 finbelportal.com udp
US 8.8.8.8:53 telanganadigital.com udp
US 192.64.119.13:80 telanganadigital.com tcp
US 8.8.8.8:53 www.telanganadigital.com udp
DE 91.195.240.19:80 www.telanganadigital.com tcp

Files

memory/2240-2-0x00000000005D0000-0x00000000006D0000-memory.dmp

memory/2240-6-0x0000000000400000-0x000000000046C000-memory.dmp

\Users\Admin\AppData\Local\Temp\CC4F.tmp

MD5 d124f55b9393c976963407dff51ffa79
SHA1 2c7bbedd79791bfb866898c85b504186db610b5d
SHA256 ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

memory/2240-3-0x0000000000220000-0x0000000000229000-memory.dmp

memory/2240-8-0x0000000000400000-0x000000000046C000-memory.dmp

memory/1360-7-0x0000000002B00000-0x0000000002B15000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-25 05:24

Reported

2023-12-27 04:35

Platform

win10v2004-20231215-en

Max time kernel

148s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Deletes itself

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.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
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A
Token: SeShutdownPrivilege N/A N/A N/A
Token: SeCreatePagefilePrivilege N/A N/A N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A N/A N/A
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Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe

"C:\Users\Admin\AppData\Local\Temp\07ceef005d2626297437e3289872bf40.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2292 -ip 2292

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2292 -s 392

Network

Country Destination Domain Proto
US 8.8.8.8:53 3.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 conceitosseg.com udp
US 8.8.8.8:53 integrasidata.com udp
SG 172.104.187.4:80 integrasidata.com tcp
US 8.8.8.8:53 ozentekstil.com udp
TR 89.19.30.75:80 ozentekstil.com tcp
US 8.8.8.8:53 4.187.104.172.in-addr.arpa udp
US 8.8.8.8:53 finbelportal.com udp
US 8.8.8.8:53 telanganadigital.com udp
US 8.8.8.8:53 75.30.19.89.in-addr.arpa udp
US 192.64.119.13:80 telanganadigital.com tcp
US 8.8.8.8:53 www.telanganadigital.com udp
US 8.8.8.8:53 13.119.64.192.in-addr.arpa udp
DE 91.195.240.19:80 www.telanganadigital.com tcp
US 8.8.8.8:53 19.240.195.91.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 183.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 32.134.221.88.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 udp
US 8.8.8.8:53 udp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
US 93.184.221.240:80 tcp

Files

memory/2292-1-0x00000000006C0000-0x00000000007C0000-memory.dmp

memory/2292-2-0x0000000002070000-0x0000000002079000-memory.dmp

memory/2292-7-0x0000000000400000-0x000000000046C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CC4F.tmp

MD5 8708c34a29ad1038b871aa9c3153d98e
SHA1 9ce6bd18a9c98b34df78ac7dedd0ab715154594d
SHA256 01af8bfd2a6babc289e1b617c15e0c353841494db159bde88d26c9da000260be
SHA512 8395824dcab0ea2d73989a0d4c7c291c12dbec780b6dafba87f403ac9c6ef292e5c6197fe12df78ead668efabd643ead878eb674b56b5125d2895854b6c7b70e

memory/3468-8-0x0000000002920000-0x0000000002935000-memory.dmp

memory/2292-11-0x0000000000400000-0x000000000046C000-memory.dmp