Malware Analysis Report

2025-08-10 21:22

Sample ID 240527-nstcrsba22
Target 7907711bc24d805025e1266b3170b693_JaffaCakes118
SHA256 b32fd084c26617fdafa3969fb3e029d3d4443817b201fc27ed70eafaadb4b4aa
Tags
discovery upx
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

b32fd084c26617fdafa3969fb3e029d3d4443817b201fc27ed70eafaadb4b4aa

Threat Level: Shows suspicious behavior

The file 7907711bc24d805025e1266b3170b693_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery upx

UPX packed file

Checks installed software on the system

Maps connected drives based on registry

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-27 11:40

Signatures

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-27 11:39

Reported

2024-05-27 11:42

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe"

Signatures

UPX packed file

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

Checks installed software on the system

discovery

Maps connected drives based on registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\Count C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 116 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 116 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 116 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 116 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 116 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 116 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 116 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 116 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 116 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 116 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 116 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 116 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 116 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 116 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 116 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
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 73.159.190.20.in-addr.arpa udp
NL 23.62.61.56:443 www.bing.com tcp
US 8.8.8.8:53 56.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 ecosystem.unvocal.ru udp
US 8.8.8.8:53 apgate.centralus.cloudapp.azure.com udp
US 8.8.8.8:53 ecosystem.unvocal.ru udp
US 8.8.8.8:53 apgate.centralus.cloudapp.azure.com udp
US 8.8.8.8:53 ecosystem.unvocal.ru udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 14.173.189.20.in-addr.arpa udp

Files

memory/116-0-0x0000000000F00000-0x0000000001CED000-memory.dmp

memory/116-1-0x0000000000A20000-0x0000000000A21000-memory.dmp

memory/2292-2-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2292-3-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2292-5-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2292-7-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2292-9-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2292-10-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2292-13-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2292-14-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/116-17-0x0000000000F00000-0x0000000001CED000-memory.dmp

memory/2292-19-0x0000000003220000-0x0000000003221000-memory.dmp

memory/2292-18-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2292-16-0x0000000000F00000-0x0000000001CED000-memory.dmp

memory/2292-21-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2292-22-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2292-23-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2292-24-0x0000000003220000-0x0000000003221000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-27 11:39

Reported

2024-05-27 11:42

Platform

win7-20231129-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe"

Signatures

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A 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\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\Count C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe N/A

Enumerates physical storage devices

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2360 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 2360 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 2360 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 2360 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 2360 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 2360 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 2360 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 2360 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 2360 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 2360 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 2360 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe
PID 2360 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7907711bc24d805025e1266b3170b693_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ecosystem.unvocal.ru udp
US 8.8.8.8:53 apgate.centralus.cloudapp.azure.com udp

Files

memory/2360-0-0x0000000000F00000-0x0000000001CED000-memory.dmp

memory/2360-1-0x0000000000250000-0x0000000000251000-memory.dmp

memory/2360-3-0x0000000004310000-0x00000000050FD000-memory.dmp

memory/2936-2-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2936-4-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2936-5-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2936-7-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2936-10-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2936-13-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2936-16-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2936-19-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2936-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2936-23-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2936-24-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2936-29-0x00000000002D0000-0x00000000002D1000-memory.dmp

memory/2936-28-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2936-27-0x0000000000F00000-0x0000000001CED000-memory.dmp

memory/2360-26-0x0000000000F00000-0x0000000001CED000-memory.dmp

memory/2936-30-0x0000000004830000-0x000000000561D000-memory.dmp

memory/2936-32-0x0000000000EF0000-0x0000000000F00000-memory.dmp

memory/2936-33-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2936-34-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2936-36-0x0000000000400000-0x00000000007AF000-memory.dmp

memory/2936-46-0x00000000002D0000-0x00000000002D1000-memory.dmp

memory/2936-47-0x0000000004830000-0x000000000561D000-memory.dmp

memory/2936-48-0x0000000000EF0000-0x0000000000F00000-memory.dmp