Malware Analysis Report

2025-08-05 11:47

Sample ID 241031-edgwrayhpd
Target 81861135130728182dab859ffa4b1e95_JaffaCakes118
SHA256 898802b891c014aa807baf5b9bf85b0a7d2804b610155f7c504d19f4b3486fed
Tags
upx defense_evasion discovery persistence
score
8/10

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
8/10

SHA256

898802b891c014aa807baf5b9bf85b0a7d2804b610155f7c504d19f4b3486fed

Threat Level: Likely malicious

The file 81861135130728182dab859ffa4b1e95_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

upx defense_evasion discovery persistence

Drops file in Drivers directory

Sets service image path in registry

Modifies system executable filetype association

Indicator Removal: File Deletion

Adds Run key to start application

Enumerates connected drives

UPX packed file

Unsigned PE

System Location Discovery: System Language Discovery

Modifies registry class

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-31 03:49

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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-31 03:49

Reported

2024-10-31 03:53

Platform

win7-20240903-en

Max time kernel

150s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe"

Signatures

Drops file in Drivers directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\drivers\spools.exe C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\drivers\spools.exe C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Schedule\ImagePath = "C:\\Windows\\system32\\drivers\\spools.exe" C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A

Modifies system executable filetype association

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*" C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe" C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe" C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A

Indicator Removal: File Deletion

defense_evasion

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

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\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*" C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c rmdir /S /Q "C:\Users\Admin\Cookies\"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c rmdir /S /Q "C:\Users\Admin\Application Data\Macromedia\Flash Player\"

Network

Country Destination Domain Proto
MY 124.217.253.6:80 tcp
MY 124.217.253.6:80 tcp

Files

memory/1908-0-0x0000000000400000-0x0000000001564000-memory.dmp

C:\Windows\SysWOW64\drivers\spools.exe

MD5 4e969cd8820572e8c01de1e80e36f71e
SHA1 27bcc314c358898354aad237513b8c1cd6e16d55
SHA256 d17d114acc8a3672c1557605691a5f78b1dee42831d9e790f6606ef31b580875
SHA512 cd17c1a7cf72eb4928b1dfc31c810f03ff35c9b0773a6b3cce3ba1931d4e697a2ed15c1fe23d4d3a9358091be2072d9ce85097177a6539606b57f83b983e59af

memory/1908-6-0x0000000000400000-0x0000000001564000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-31 03:49

Reported

2024-10-31 03:53

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe"

Signatures

Drops file in Drivers directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\drivers\spools.exe C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\drivers\spools.exe C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Schedule\ImagePath = "C:\\Windows\\system32\\drivers\\spools.exe" C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A

Modifies system executable filetype association

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*" C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe" C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe" C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A

Indicator Removal: File Deletion

defense_evasion

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

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\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*" C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c rmdir /S /Q "C:\Users\Admin\Cookies\"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c rmdir /S /Q "C:\Users\Admin\Application Data\Macromedia\Flash Player\"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
MY 124.217.253.6:80 tcp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 69.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/1636-0-0x0000000000400000-0x0000000001564000-memory.dmp

C:\Windows\SysWOW64\drivers\spools.exe

MD5 787d84bc44eed3544fb4dd3d9a4264c5
SHA1 f57dda6a46232ae75d1424dec586bee308eb8c19
SHA256 8c37bd72929becdb1f4924fc066f1d4080e99c62393e48f23d46a2b58760a349
SHA512 06d5077ee341f2a778bf740bfbc341b1ecb08c11cf20adbcbc2ba786a8b572e2711b36b545719036e45c42e24e44c07dd29c03e4accb3a3b327f13ee0a575fe8

memory/1636-7-0x0000000000400000-0x0000000001564000-memory.dmp