Malware Analysis Report

2025-01-02 04:35

Sample ID 241122-zhbkravkgj
Target 23fe00b216ce79013e1bc1f8b1afdf2492828b24593a53e57820861b23a888fb.exe
SHA256 23fe00b216ce79013e1bc1f8b1afdf2492828b24593a53e57820861b23a888fb
Tags
smokeloader pub3 backdoor discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

23fe00b216ce79013e1bc1f8b1afdf2492828b24593a53e57820861b23a888fb

Threat Level: Known bad

The file 23fe00b216ce79013e1bc1f8b1afdf2492828b24593a53e57820861b23a888fb.exe was found to be: Known bad.

Malicious Activity Summary

smokeloader pub3 backdoor discovery trojan

Smokeloader family

SmokeLoader

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Checks SCSI registry key(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-22 20:42

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-22 20:42

Reported

2024-11-22 20:44

Platform

win10v2004-20241007-en

Max time kernel

97s

Max time network

98s

Command Line

"C:\Users\Admin\AppData\Local\Temp\23fe00b216ce79013e1bc1f8b1afdf2492828b24593a53e57820861b23a888fb.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Smokeloader family

smokeloader

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\23fe00b216ce79013e1bc1f8b1afdf2492828b24593a53e57820861b23a888fb.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\23fe00b216ce79013e1bc1f8b1afdf2492828b24593a53e57820861b23a888fb.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\23fe00b216ce79013e1bc1f8b1afdf2492828b24593a53e57820861b23a888fb.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\23fe00b216ce79013e1bc1f8b1afdf2492828b24593a53e57820861b23a888fb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\23fe00b216ce79013e1bc1f8b1afdf2492828b24593a53e57820861b23a888fb.exe

"C:\Users\Admin\AppData\Local\Temp\23fe00b216ce79013e1bc1f8b1afdf2492828b24593a53e57820861b23a888fb.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4624 -ip 4624

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 356

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 71.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 18.77.123.92.in-addr.arpa udp
US 8.8.8.8:53 101.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/4624-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4624-2-0x00000000009C0000-0x00000000009C9000-memory.dmp

memory/4624-1-0x0000000000BE0000-0x0000000000CE0000-memory.dmp

memory/4624-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4624-5-0x00000000009C0000-0x00000000009C9000-memory.dmp

memory/4624-4-0x0000000000400000-0x0000000000885000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-22 20:42

Reported

2024-11-22 20:44

Platform

win7-20241010-en

Max time kernel

74s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\23fe00b216ce79013e1bc1f8b1afdf2492828b24593a53e57820861b23a888fb.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\23fe00b216ce79013e1bc1f8b1afdf2492828b24593a53e57820861b23a888fb.exe

"C:\Users\Admin\AppData\Local\Temp\23fe00b216ce79013e1bc1f8b1afdf2492828b24593a53e57820861b23a888fb.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 136

Network

N/A

Files

memory/1740-1-0x0000000000A40000-0x0000000000B40000-memory.dmp

memory/1740-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1740-3-0x0000000000400000-0x0000000000885000-memory.dmp

memory/1740-5-0x0000000000400000-0x0000000000409000-memory.dmp