Malware Analysis Report

2025-08-11 04:37

Sample ID 250119-nyfzmawphq
Target JaffaCakes118_c6de72e97c7697d456f00eab8ae12104
SHA256 61d871919fb7b249e757d5a2ba5fe866809ece0bcadc6f5358a54117a5ff0875
Tags
bootkit discovery persistence spyware stealer upx
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

61d871919fb7b249e757d5a2ba5fe866809ece0bcadc6f5358a54117a5ff0875

Threat Level: Shows suspicious behavior

The file JaffaCakes118_c6de72e97c7697d456f00eab8ae12104 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit discovery persistence spyware stealer upx

Reads user/profile data of web browsers

Adds Run key to start application

Writes to the Master Boot Record (MBR)

Enumerates connected drives

UPX packed file

Program crash

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

Suspicious use of FindShellTrayWindow

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-19 11:48

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-19 11:48

Reported

2025-01-19 11:50

Platform

win7-20240903-en

Max time kernel

149s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe"

Signatures

Reads user/profile data of web browsers

spyware stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Malware Protection = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe" C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A
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Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 soft-4download.com udp

Files

memory/1832-0-0x0000000002FF0000-0x0000000003180000-memory.dmp

memory/1832-1-0x0000000000400000-0x0000000000A75000-memory.dmp

memory/1832-2-0x0000000000400000-0x00000000011E1000-memory.dmp

memory/1832-3-0x0000000000400000-0x0000000000A75000-memory.dmp

memory/1832-4-0x0000000000400000-0x00000000011E1000-memory.dmp

memory/1832-5-0x0000000000400000-0x00000000011E1000-memory.dmp

memory/1832-6-0x0000000000400000-0x00000000011E1000-memory.dmp

memory/1832-8-0x0000000000400000-0x00000000011E1000-memory.dmp

memory/1832-9-0x0000000000400000-0x00000000011E1000-memory.dmp

memory/1832-10-0x0000000000400000-0x00000000011E1000-memory.dmp

memory/1832-12-0x0000000000400000-0x00000000011E1000-memory.dmp

memory/1832-13-0x0000000000400000-0x00000000011E1000-memory.dmp

memory/1832-14-0x0000000000400000-0x00000000011E1000-memory.dmp

memory/1832-15-0x0000000000400000-0x00000000011E1000-memory.dmp

memory/1832-16-0x0000000000400000-0x00000000011E1000-memory.dmp

memory/1832-17-0x0000000000400000-0x00000000011E1000-memory.dmp

memory/1832-18-0x0000000000400000-0x00000000011E1000-memory.dmp

memory/1832-19-0x0000000000400000-0x00000000011E1000-memory.dmp

memory/1832-20-0x0000000000400000-0x00000000011E1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-19 11:48

Reported

2025-01-19 11:50

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c6de72e97c7697d456f00eab8ae12104.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4940 -ip 4940

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4940 -s 420

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4940 -ip 4940

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4940 -s 440

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 7.98.22.2.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 85.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 133.130.81.91.in-addr.arpa udp

Files

N/A