Malware Analysis Report

2025-01-02 10:52

Sample ID 241030-bes4mavkeq
Target 7d5887d167860dc973451dd9ea18b5e1_JaffaCakes118
SHA256 21a72820c373648bad7f9aac3f1aa952aaaca11a8e49c3c5600d21602dfcf9ba
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

21a72820c373648bad7f9aac3f1aa952aaaca11a8e49c3c5600d21602dfcf9ba

Threat Level: Known bad

The file 7d5887d167860dc973451dd9ea18b5e1_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

Checks SCSI registry key(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-30 01:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-30 01:03

Reported

2024-10-30 01:07

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7d5887d167860dc973451dd9ea18b5e1_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\7d5887d167860dc973451dd9ea18b5e1_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7d5887d167860dc973451dd9ea18b5e1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7d5887d167860dc973451dd9ea18b5e1_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2316 -s 136

Network

N/A

Files

memory/2316-1-0x0000000000A60000-0x0000000000B60000-memory.dmp

memory/2316-3-0x0000000000400000-0x0000000000906000-memory.dmp

memory/2316-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2316-4-0x0000000000400000-0x0000000000906000-memory.dmp

memory/2316-5-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-30 01:03

Reported

2024-10-30 01:07

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7d5887d167860dc973451dd9ea18b5e1_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\7d5887d167860dc973451dd9ea18b5e1_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\7d5887d167860dc973451dd9ea18b5e1_JaffaCakes118.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\7d5887d167860dc973451dd9ea18b5e1_JaffaCakes118.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\7d5887d167860dc973451dd9ea18b5e1_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7d5887d167860dc973451dd9ea18b5e1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7d5887d167860dc973451dd9ea18b5e1_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1952 -ip 1952

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1952 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
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 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 137.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/1952-1-0x0000000000B60000-0x0000000000C60000-memory.dmp

memory/1952-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1952-3-0x0000000000400000-0x0000000000906000-memory.dmp

memory/1952-4-0x0000000000400000-0x0000000000906000-memory.dmp

memory/1952-5-0x0000000000400000-0x0000000000409000-memory.dmp