Malware Analysis Report

2024-12-08 00:49

Sample ID 240105-nyxblsahhq
Target 4382ba1ba4ef6706728111964b5d2514.exe
SHA256 a2d58f2c37790969f079091835fec1595e43c8c082d58f45e11277a2223342d7
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

a2d58f2c37790969f079091835fec1595e43c8c082d58f45e11277a2223342d7

Threat Level: Known bad

The file 4382ba1ba4ef6706728111964b5d2514.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor trojan

SmokeLoader

Loads dropped DLL

Deletes itself

Program crash

Unsigned PE

Checks SCSI registry key(s)

Uses Task Scheduler COM API

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-05 11:48

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-05 11:48

Reported

2024-01-05 11:57

Platform

win7-20231215-en

Max time kernel

144s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Deletes itself

Description Indicator Process Target
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Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.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\4382ba1ba4ef6706728111964b5d2514.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe

"C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.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/2156-2-0x0000000000220000-0x0000000000229000-memory.dmp

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

MD5 c0672525f350e7c6dd398bf2d1759c4d
SHA1 d3ae72d012ca7f6564d6a263f86b41625c2172ad
SHA256 f85f820613e4e975247d02c94365def40de206055f81dbeace4d22ae2401f88f
SHA512 3c876c8e3508711fa92d47e769f670bb7b88b31259a6138f29b43436702245aaa4951681cc0881ab138f29e6c94d1ee3f2b4b7a1dbf1699171c0f9ccc2ba5252

memory/2156-4-0x0000000000400000-0x000000000046E000-memory.dmp

memory/2156-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

memory/2156-8-0x0000000000400000-0x000000000046E000-memory.dmp

memory/1216-7-0x0000000002950000-0x0000000002965000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-05 11:48

Reported

2024-01-05 11:55

Platform

win10v2004-20231215-en

Max time kernel

97s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.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\4382ba1ba4ef6706728111964b5d2514.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\4382ba1ba4ef6706728111964b5d2514.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.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

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe

"C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2868 -ip 2868

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2868 -s 392

Network

Country Destination Domain Proto
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 21.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.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
US 8.8.8.8:53 4.187.104.172.in-addr.arpa 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 75.30.19.89.in-addr.arpa 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 13.119.64.192.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 www.telanganadigital.com 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 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 211.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 32.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 udp
GB 96.17.178.211:80 tcp
GB 87.248.205.0:80 tcp
US 8.8.8.8:53 udp
GB 87.248.205.0:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
US 8.8.8.8:53 udp
GB 96.17.178.211:80 tcp
GB 87.248.205.0:80 tcp
GB 96.17.178.211:80 tcp
GB 96.16.110.114:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
US 8.8.8.8:53 udp
N/A 20.199.58.43:443 tcp
GB 96.17.178.211:80 tcp
GB 96.16.110.114:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
US 8.8.8.8:53 udp
GB 96.17.178.211:80 tcp
GB 96.16.110.114:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
US 8.8.8.8:53 udp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
US 8.8.8.8:53 udp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
US 8.8.8.8:53 udp
N/A 52.111.227.13:443 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
US 8.8.8.8:53 udp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp
GB 96.17.178.211:80 tcp

Files

memory/2868-3-0x0000000000400000-0x000000000046E000-memory.dmp

memory/2868-2-0x00000000021B0000-0x00000000021B9000-memory.dmp

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

MD5 84daa20e994d76509086c97e803ae8c6
SHA1 3b7a2682fd77279474216c8b3812922ae0f0e75b
SHA256 7de2fa47ff9245a3862e3b8c4c32d8d3c02e372efb83375060e7850a2527da9d
SHA512 5324d477fdb564d4e0c03af3f0ca69ce14d22284070e2fdccf0161f5c974060f05c0214418b6948ceda2cc2be8e7bded0d709dc831fcfe351342df1b4242d909

memory/2868-1-0x0000000000540000-0x0000000000640000-memory.dmp

memory/3460-8-0x00000000026C0000-0x00000000026D5000-memory.dmp

memory/2868-11-0x0000000000400000-0x000000000046E000-memory.dmp