Malware Analysis Report

2024-11-15 05:27

Sample ID 240613-bykllashnq
Target a36068f857707c6669a82529beb0dad1_JaffaCakes118
SHA256 fcc5d27ace0139e1755c7df5fda95630457d1ea8778cea11f1cd6525492caf70
Tags
discovery
score
7/10

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
7/10

SHA256

fcc5d27ace0139e1755c7df5fda95630457d1ea8778cea11f1cd6525492caf70

Threat Level: Shows suspicious behavior

The file a36068f857707c6669a82529beb0dad1_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery

Checks BIOS information in registry

Checks installed software on the system

Maps connected drives based on registry

Suspicious use of SetThreadContext

Modifies Internet Explorer settings

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 01:33

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 01:33

Reported

2024-06-13 01:35

Platform

win7-20240611-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe"

Signatures

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe N/A

Checks installed software on the system

discovery

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\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2804 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 2804 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 2804 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 2804 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 2804 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 2804 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 2804 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 2804 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 2804 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 2804 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 2804 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe" Track="0001000000"

Network

Country Destination Domain Proto
US 8.8.8.8:53 njmfuhupelesddoq.nmd7rzv1.com udp

Files

memory/2812-0-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2812-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2812-14-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2812-4-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2812-2-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2812-10-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2812-16-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2812-17-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2812-9-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2812-6-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2812-18-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2812-19-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2812-20-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2812-21-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2812-22-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2812-24-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2812-25-0x0000000000400000-0x00000000004FE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 01:33

Reported

2024-06-13 01:35

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe"

Signatures

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe N/A

Checks installed software on the system

discovery

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\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1532 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 1532 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 1532 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 1532 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 1532 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 1532 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 1532 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 1532 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 1532 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe
PID 1532 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a36068f857707c6669a82529beb0dad1_JaffaCakes118.exe" Track="0001000000"

Network

Country Destination Domain Proto
US 8.8.8.8:53 rvmmubjdm.nmd7rzv1.com udp

Files

memory/2996-0-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2996-1-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2996-2-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2996-3-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2996-4-0x0000000000400000-0x00000000004FE000-memory.dmp

memory/2996-5-0x0000000000400000-0x00000000004FE000-memory.dmp