Malware Analysis Report

2025-08-05 23:04

Sample ID 240412-d2rkesgh4y
Target ef068302c6ebd50bfca8954353e48352_JaffaCakes118
SHA256 ec5d8ab2cad5f65eddcd395de00cf03ba51fcf7ca7b74960f46cab12ca31b1fd
Tags
upx themida evasion trojan
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

ec5d8ab2cad5f65eddcd395de00cf03ba51fcf7ca7b74960f46cab12ca31b1fd

Threat Level: Shows suspicious behavior

The file ef068302c6ebd50bfca8954353e48352_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx themida evasion trojan

UPX packed file

Checks BIOS information in registry

Themida packer

Checks whether UAC is enabled

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-12 03:30

Signatures

Themida packer

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

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-12 03:30

Reported

2024-04-12 03:33

Platform

win7-20231129-en

Max time kernel

141s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ef068302c6ebd50bfca8954353e48352_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\ef068302c6ebd50bfca8954353e48352_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\ef068302c6ebd50bfca8954353e48352_JaffaCakes118.exe N/A

UPX packed file

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

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\ef068302c6ebd50bfca8954353e48352_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ef068302c6ebd50bfca8954353e48352_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ef068302c6ebd50bfca8954353e48352_JaffaCakes118.exe"

Network

N/A

Files

memory/756-0-0x0000000000400000-0x0000000000C34000-memory.dmp

memory/756-1-0x0000000000400000-0x0000000000C34000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-12 03:30

Reported

2024-04-12 03:33

Platform

win10v2004-20240226-en

Max time kernel

140s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ef068302c6ebd50bfca8954353e48352_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\ef068302c6ebd50bfca8954353e48352_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\ef068302c6ebd50bfca8954353e48352_JaffaCakes118.exe N/A

UPX packed file

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

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\ef068302c6ebd50bfca8954353e48352_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ef068302c6ebd50bfca8954353e48352_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ef068302c6ebd50bfca8954353e48352_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/2644-0-0x0000000000400000-0x0000000000C34000-memory.dmp

memory/2644-1-0x0000000000400000-0x0000000000C34000-memory.dmp