Malware Analysis Report

2024-12-08 00:44

Sample ID 240505-v5vvpagb5y
Target 18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118
SHA256 52d075c4843d40167646a17c75e4953f13335135b5b4f71fc7fd4f9d8dbdf35d
Tags
smokeloader 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

52d075c4843d40167646a17c75e4953f13335135b5b4f71fc7fd4f9d8dbdf35d

Threat Level: Known bad

The file 18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

smokeloader backdoor trojan

SmokeLoader

Maps connected drives based on registry

Suspicious use of SetThreadContext

Unsigned PE

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-05 17:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-05 17:34

Reported

2024-05-05 17:37

Platform

win7-20240221-en

Max time kernel

146s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_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\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2812 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe
PID 2812 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe
PID 2812 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe
PID 2812 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe
PID 2812 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe
PID 2812 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe
PID 2812 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe"

Network

N/A

Files

memory/2052-0-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2052-6-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2052-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2052-2-0x0000000000400000-0x000000000040A000-memory.dmp

memory/2052-7-0x0000000000400000-0x000000000040A000-memory.dmp

memory/1396-8-0x0000000002A50000-0x0000000002A51000-memory.dmp

memory/1396-9-0x0000000002A30000-0x0000000002A46000-memory.dmp

memory/2052-10-0x0000000000400000-0x000000000040A000-memory.dmp

memory/1396-12-0x0000000002A30000-0x0000000002A46000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-05 17:34

Reported

2024-05-05 17:37

Platform

win10v2004-20240226-en

Max time kernel

144s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe"

Signatures

SmokeLoader

trojan backdoor smokeloader

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_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\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe N/A
Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\18a8e43baabebdb17058fc21cb4edd23_JaffaCakes118.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4076 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8

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 10.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 25.73.42.20.in-addr.arpa udp

Files

memory/5076-0-0x0000000000400000-0x000000000040A000-memory.dmp

memory/5076-2-0x0000000000400000-0x000000000040A000-memory.dmp

memory/5076-1-0x0000000000400000-0x000000000040A000-memory.dmp

memory/3348-3-0x0000000000C70000-0x0000000000C71000-memory.dmp

memory/3348-4-0x0000000000D30000-0x0000000000D46000-memory.dmp

memory/5076-5-0x0000000000400000-0x000000000040A000-memory.dmp

memory/3348-7-0x0000000000D30000-0x0000000000D46000-memory.dmp