Analysis
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max time kernel
150s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31/10/2024, 03:49
Behavioral task
behavioral1
Sample
81861135130728182dab859ffa4b1e95_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
81861135130728182dab859ffa4b1e95_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
81861135130728182dab859ffa4b1e95_JaffaCakes118.exe
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Size
273KB
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MD5
81861135130728182dab859ffa4b1e95
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SHA1
f81373c5723d06b2fec5b04b30801b3f91a58521
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SHA256
898802b891c014aa807baf5b9bf85b0a7d2804b610155f7c504d19f4b3486fed
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SHA512
ce9c2d6801933bae087f8fe872c78cef349be4e77b8b6838c4fbc89bafa7218dcd5927d98c0087941078e45415463cbf982412db0a7eeddf4ae8ec061374852d
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SSDEEP
6144:lvI8cw5R6NtoK0zat8GzwzkIXfYnPYsNJ1:lQ8H5RISK0qjIQnAyP
Malware Config
Signatures
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Drops file in Drivers directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\drivers\spools.exe 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\drivers\spools.exe 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Schedule\ImagePath = "C:\\Windows\\system32\\drivers\\spools.exe" 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe -
Modifies system executable filetype association 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*" 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process 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" 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe" 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe" 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe -
Enumerates connected drives 3 TTPs 19 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\G: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened (read-only) \??\J: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened (read-only) \??\T: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened (read-only) \??\U: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened (read-only) \??\L: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened (read-only) \??\O: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened (read-only) \??\S: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened (read-only) \??\N: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened (read-only) \??\I: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened (read-only) \??\K: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened (read-only) \??\M: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened (read-only) \??\Q: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened (read-only) \??\R: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened (read-only) \??\V: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened (read-only) \??\W: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened (read-only) \??\X: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened (read-only) \??\E: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened (read-only) \??\H: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe File opened (read-only) \??\P: 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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resource yara_rule behavioral2/memory/1636-0-0x0000000000400000-0x0000000001564000-memory.dmp upx behavioral2/files/0x000c000000023b59-5.dat upx behavioral2/memory/1636-7-0x0000000000400000-0x0000000001564000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies registry class 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*" 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1636 wrote to memory of 4532 1636 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe 84 PID 1636 wrote to memory of 4532 1636 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe 84 PID 1636 wrote to memory of 4532 1636 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe 84 PID 1636 wrote to memory of 736 1636 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe 86 PID 1636 wrote to memory of 736 1636 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe 86 PID 1636 wrote to memory of 736 1636 81861135130728182dab859ffa4b1e95_JaffaCakes118.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\81861135130728182dab859ffa4b1e95_JaffaCakes118.exe"1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Modifies system executable filetype association
- Adds Run key to start application
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1636 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c rmdir /S /Q "C:\Users\Admin\Cookies\"2⤵
- System Location Discovery: System Language Discovery
PID:4532
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c rmdir /S /Q "C:\Users\Admin\Application Data\Macromedia\Flash Player\"2⤵
- System Location Discovery: System Language Discovery
PID:736
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Event Triggered Execution
1Change Default File Association
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Event Triggered Execution
1Change Default File Association
1Replay Monitor
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Downloads
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Filesize
291KB
MD5787d84bc44eed3544fb4dd3d9a4264c5
SHA1f57dda6a46232ae75d1424dec586bee308eb8c19
SHA2568c37bd72929becdb1f4924fc066f1d4080e99c62393e48f23d46a2b58760a349
SHA51206d5077ee341f2a778bf740bfbc341b1ecb08c11cf20adbcbc2ba786a8b572e2711b36b545719036e45c42e24e44c07dd29c03e4accb3a3b327f13ee0a575fe8