Malware Analysis Report

2025-01-02 10:53

Sample ID 241103-cm4e1a1nhx
Target 8921419a326e6ab947268cb5a385bb3e_JaffaCakes118
SHA256 a65f068b9cfb1a4cc30b0e04f7e48fb6090a23dd3e95836fdfabc3b03fd18fc8
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

a65f068b9cfb1a4cc30b0e04f7e48fb6090a23dd3e95836fdfabc3b03fd18fc8

Threat Level: Known bad

The file 8921419a326e6ab947268cb5a385bb3e_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

smokeloader pub1 backdoor discovery trojan

SmokeLoader

Smokeloader family

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

2024-11-03 02:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-03 02:12

Reported

2024-11-03 02:15

Platform

win7-20241010-en

Max time kernel

13s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8921419a326e6ab947268cb5a385bb3e_JaffaCakes118.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\8921419a326e6ab947268cb5a385bb3e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8921419a326e6ab947268cb5a385bb3e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8921419a326e6ab947268cb5a385bb3e_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2488 -s 136

Network

N/A

Files

memory/2488-2-0x0000000000030000-0x0000000000039000-memory.dmp

memory/2488-1-0x0000000003420000-0x0000000003520000-memory.dmp

memory/2488-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2488-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2488-5-0x0000000000030000-0x0000000000039000-memory.dmp

memory/2488-4-0x0000000000400000-0x00000000032F7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-03 02:12

Reported

2024-11-03 02:15

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8921419a326e6ab947268cb5a385bb3e_JaffaCakes118.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\8921419a326e6ab947268cb5a385bb3e_JaffaCakes118.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\8921419a326e6ab947268cb5a385bb3e_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\8921419a326e6ab947268cb5a385bb3e_JaffaCakes118.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\8921419a326e6ab947268cb5a385bb3e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8921419a326e6ab947268cb5a385bb3e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8921419a326e6ab947268cb5a385bb3e_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4092 -ip 4092

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4092 -s 352

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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.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
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 168.117.168.52.in-addr.arpa udp

Files

memory/4092-1-0x0000000003470000-0x0000000003570000-memory.dmp

memory/4092-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4092-3-0x0000000000400000-0x00000000032F7000-memory.dmp

memory/4092-4-0x0000000000400000-0x00000000032F7000-memory.dmp

memory/4092-5-0x0000000000400000-0x0000000000409000-memory.dmp