Malware Analysis Report

2025-01-02 04:44

Sample ID 240421-f9m83scg3w
Target fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118
SHA256 586f145c1eec37adb07432372972ea8837917f8c1696af8664ee8a6ff86c107e
Tags
smokeloader 0708 backdoor 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

586f145c1eec37adb07432372972ea8837917f8c1696af8664ee8a6ff86c107e

Threat Level: Known bad

The file fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

smokeloader 0708 backdoor trojan

SmokeLoader

Deletes itself

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Checks SCSI registry key(s)

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-21 05:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-21 05:34

Reported

2024-04-21 05:37

Platform

win7-20240215-en

Max time kernel

150s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Deletes itself

Description Indicator Process Target
N/A N/A N/A 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\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe N/A
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Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A N/A N/A
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Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A N/A N/A
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Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2460 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe
PID 2460 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe
PID 2460 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe
PID 2460 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe
PID 2460 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe
PID 2460 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe
PID 2460 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 readinglistforjuly1.xyz udp
US 8.8.8.8:53 readinglistforjuly2.xyz udp
US 8.8.8.8:53 readinglistforjuly3.xyz udp
US 8.8.8.8:53 readinglistforjuly4.xyz udp
US 8.8.8.8:53 readinglistforjuly5.xyz udp
SG 34.143.166.163:80 readinglistforjuly5.xyz tcp
US 8.8.8.8:53 readinglistforjuly6.xyz udp
US 104.198.2.251:80 readinglistforjuly6.xyz tcp
US 8.8.8.8:53 readinglistforjuly7.xyz udp
US 34.94.245.237:80 readinglistforjuly7.xyz tcp
US 8.8.8.8:53 readinglistforjuly8.xyz udp
US 8.8.8.8:53 readinglistforjuly9.xyz udp
US 8.8.8.8:53 readinglistforjuly10.xyz udp
US 8.8.8.8:53 readinglistforjuly1.site udp
US 8.8.8.8:53 readinglistforjuly2.site udp
US 8.8.8.8:53 readinglistforjuly3.site udp
US 8.8.8.8:53 readinglistforjuly4.site udp
US 8.8.8.8:53 readinglistforjuly5.site udp
US 8.8.8.8:53 readinglistforjuly6.site udp
US 8.8.8.8:53 readinglistforjuly7.site udp
SG 34.143.166.163:80 readinglistforjuly7.site tcp
US 8.8.8.8:53 readinglistforjuly8.site udp
US 8.8.8.8:53 readinglistforjuly9.site udp
US 34.174.206.7:80 readinglistforjuly9.site tcp
US 8.8.8.8:53 readinglistforjuly10.site udp
US 34.94.160.21:80 readinglistforjuly10.site tcp
US 8.8.8.8:53 readinglistforjuly1.club udp
US 8.8.8.8:53 readinglistforjuly2.club udp
US 8.8.8.8:53 readinglistforjuly3.club udp
US 8.8.8.8:53 readinglistforjuly4.club udp
US 8.8.8.8:53 readinglistforjuly5.club udp
US 8.8.8.8:53 readinglistforjuly6.club udp
US 8.8.8.8:53 readinglistforjuly7.club udp
US 8.8.8.8:53 readinglistforjuly8.club udp
US 8.8.8.8:53 readinglistforjuly9.club udp
US 8.8.8.8:53 readinglistforjuly10.club udp

Files

memory/2460-2-0x0000000000AC0000-0x0000000000BC0000-memory.dmp

memory/2300-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2460-4-0x0000000000020000-0x000000000002A000-memory.dmp

memory/2300-5-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2300-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1116-7-0x0000000002DF0000-0x0000000002E06000-memory.dmp

memory/2300-8-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-21 05:34

Reported

2024-04-21 05:37

Platform

win10v2004-20240412-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe N/A
Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\fe8daa47f13ee79866fed98b841f1fbe_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 206.221.208.4.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 154.173.246.72.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 51.15.97.104.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
IE 2.18.24.18:80 tcp

Files

memory/1256-1-0x0000000000B50000-0x0000000000C50000-memory.dmp

memory/1256-2-0x00000000001C0000-0x00000000001CA000-memory.dmp

memory/4716-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4716-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4716-5-0x0000000000400000-0x0000000000409000-memory.dmp