Malware Analysis Report

2025-01-02 10:54

Sample ID 241015-3dey6asdkb
Target 4a78026b6e37c0e507d46c86581e8c8d_JaffaCakes118
SHA256 6615e3bc3da0f2036f99b3bbf5aeafd9cb02811f5958dd3259e5013d954d12db
Tags
smokeloader pub1 backdoor discovery 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

6615e3bc3da0f2036f99b3bbf5aeafd9cb02811f5958dd3259e5013d954d12db

Threat Level: Known bad

The file 4a78026b6e37c0e507d46c86581e8c8d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor discovery trojan

SmokeLoader

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-15 23:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-15 23:23

Reported

2024-10-15 23:26

Platform

win7-20240903-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a78026b6e37c0e507d46c86581e8c8d_JaffaCakes118.exe"

Signatures

SmokeLoader

trojan backdoor 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\4a78026b6e37c0e507d46c86581e8c8d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4a78026b6e37c0e507d46c86581e8c8d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4a78026b6e37c0e507d46c86581e8c8d_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2984 -s 136

Network

N/A

Files

memory/2984-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2984-3-0x0000000000400000-0x0000000000905000-memory.dmp

memory/2984-1-0x0000000000AA0000-0x0000000000BA0000-memory.dmp

memory/2984-4-0x0000000000400000-0x0000000000905000-memory.dmp

memory/2984-5-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-15 23:23

Reported

2024-10-15 23:26

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a78026b6e37c0e507d46c86581e8c8d_JaffaCakes118.exe"

Signatures

SmokeLoader

trojan backdoor 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\4a78026b6e37c0e507d46c86581e8c8d_JaffaCakes118.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\4a78026b6e37c0e507d46c86581e8c8d_JaffaCakes118.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4a78026b6e37c0e507d46c86581e8c8d_JaffaCakes118.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4a78026b6e37c0e507d46c86581e8c8d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4a78026b6e37c0e507d46c86581e8c8d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4a78026b6e37c0e507d46c86581e8c8d_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3840 -ip 3840

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3840 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/3840-1-0x0000000000C20000-0x0000000000D20000-memory.dmp

memory/3840-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3840-3-0x0000000000400000-0x0000000000905000-memory.dmp

memory/3840-4-0x0000000000400000-0x0000000000905000-memory.dmp

memory/3840-5-0x0000000000400000-0x0000000000409000-memory.dmp