Malware Analysis Report

2025-01-02 10:54

Sample ID 241016-cphajsxfjd
Target 4afbd3326e03dd05632c41d4c066f4ae_JaffaCakes118
SHA256 84158f33ccbc9dbc6265de754a93aeea3ced443743eeec0e3dd69305ad22f2cb
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

84158f33ccbc9dbc6265de754a93aeea3ced443743eeec0e3dd69305ad22f2cb

Threat Level: Known bad

The file 4afbd3326e03dd05632c41d4c066f4ae_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

2024-10-16 02:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-16 02:14

Reported

2024-10-16 02:17

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4afbd3326e03dd05632c41d4c066f4ae_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\4afbd3326e03dd05632c41d4c066f4ae_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4afbd3326e03dd05632c41d4c066f4ae_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4afbd3326e03dd05632c41d4c066f4ae_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 136

Network

N/A

Files

memory/2400-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2400-3-0x0000000000400000-0x0000000000907000-memory.dmp

memory/2400-1-0x00000000009D0000-0x0000000000AD0000-memory.dmp

memory/2400-4-0x0000000000400000-0x0000000000907000-memory.dmp

memory/2400-5-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-16 02:14

Reported

2024-10-16 02:17

Platform

win10v2004-20241007-en

Max time kernel

139s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4afbd3326e03dd05632c41d4c066f4ae_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\4afbd3326e03dd05632c41d4c066f4ae_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\4afbd3326e03dd05632c41d4c066f4ae_JaffaCakes118.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4afbd3326e03dd05632c41d4c066f4ae_JaffaCakes118.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\4afbd3326e03dd05632c41d4c066f4ae_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4afbd3326e03dd05632c41d4c066f4ae_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4afbd3326e03dd05632c41d4c066f4ae_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4712 -ip 4712

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4712 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.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/4712-1-0x0000000000AC0000-0x0000000000BC0000-memory.dmp

memory/4712-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

memory/4712-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4712-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4712-5-0x00000000001C0000-0x00000000001C9000-memory.dmp

memory/4712-4-0x0000000000400000-0x0000000000907000-memory.dmp