Malware Analysis Report

2025-01-02 11:06

Sample ID 240314-cn5z8aga8x
Target 2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.exe
SHA256 2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d
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

2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d

Threat Level: Known bad

The file 2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor trojan

SmokeLoader

Deletes itself

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of UnmapMainImage

Uses Task Scheduler COM API

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-14 02:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-14 02:14

Reported

2024-03-14 02:16

Platform

win7-20240221-en

Max time kernel

150s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.exe

"C:\Users\Admin\AppData\Local\Temp\2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 nidoe.org udp
KR 123.140.161.243:80 nidoe.org tcp
KR 123.140.161.243:80 nidoe.org tcp
KR 123.140.161.243:80 nidoe.org tcp
KR 123.140.161.243:80 nidoe.org tcp
KR 123.140.161.243:80 nidoe.org tcp
KR 123.140.161.243:80 nidoe.org tcp
KR 123.140.161.243:80 nidoe.org tcp
KR 123.140.161.243:80 nidoe.org tcp
KR 123.140.161.243:80 nidoe.org tcp
KR 123.140.161.243:80 nidoe.org tcp

Files

memory/2344-1-0x00000000008A0000-0x00000000009A0000-memory.dmp

memory/2344-2-0x0000000000220000-0x000000000022B000-memory.dmp

memory/2344-3-0x0000000000400000-0x0000000000722000-memory.dmp

memory/2344-5-0x0000000000400000-0x0000000000722000-memory.dmp

memory/1204-4-0x0000000002E90000-0x0000000002EA6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-14 02:14

Reported

2024-03-14 02:17

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.exe N/A

Suspicious use of UnmapMainImage

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

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.exe

"C:\Users\Admin\AppData\Local\Temp\2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 nidoe.org udp
KR 123.140.161.243:80 nidoe.org tcp
KR 123.140.161.243:80 nidoe.org tcp
US 8.8.8.8:53 243.161.140.123.in-addr.arpa udp
KR 123.140.161.243:80 nidoe.org tcp
KR 123.140.161.243:80 nidoe.org tcp
KR 123.140.161.243:80 nidoe.org tcp
KR 123.140.161.243:80 nidoe.org tcp
KR 123.140.161.243:80 nidoe.org tcp
KR 123.140.161.243:80 nidoe.org tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
KR 123.140.161.243:80 nidoe.org tcp
KR 123.140.161.243:80 nidoe.org tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.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 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 194.98.74.40.in-addr.arpa udp

Files

memory/3280-1-0x00000000007D0000-0x00000000008D0000-memory.dmp

memory/3280-2-0x00000000007C0000-0x00000000007CB000-memory.dmp

memory/3280-3-0x0000000000400000-0x0000000000722000-memory.dmp

memory/3540-4-0x0000000003360000-0x0000000003376000-memory.dmp

memory/3280-7-0x0000000000400000-0x0000000000722000-memory.dmp

memory/3280-8-0x00000000007C0000-0x00000000007CB000-memory.dmp