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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
13/08/2024, 20:12
Behavioral task
behavioral1
Sample
94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe
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Size
80KB
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MD5
94903ecd7b90c109d0a00e5954a2045e
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SHA1
fbe979c252c2f18a82dad590a04a62fa73f0d56c
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SHA256
f0fdc35857a8f32b526491cf536325b12b4c1fadd91dfde03cd0d0327129361c
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SHA512
04ad8d06fbb8f79413b060e55abf3bfe1aed922335a759e355086bd2211ce8b4fc4868794d509a86c489219ecd609ff37ca0fd6f3ba49001ef5c140788d906c7
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SSDEEP
1536:Qaez7fhySBdbFohDCmWptNkxBn7Hmp8+xiqavbwqmB35rcASfFNE:QZf0opFoYbp/kY++xfazwLOJi
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\Mozilla.exe" 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe -
Modifies firewall policy service 3 TTPs 10 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\Mozilla = "C:\\Users\\Admin\\AppData\\Roaming\\Mozilla.exe:*:Mozilla" 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\ 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\ 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\Mozilla = "C:\\Users\\Admin\\AppData\\Roaming\\Mozilla.exe:*:Mozilla" 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe -
Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Mozilla = "C:\\Users\\Admin\\AppData\\Roaming\\Mozilla.exe" 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe -
resource yara_rule behavioral2/memory/1632-0-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2496-5-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Mozilla = "C:\\Users\\Admin\\AppData\\Roaming\\Mozilla.exe" 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Mozilla = "C:\\Users\\Admin\\AppData\\Roaming\\Mozilla.exe" 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 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 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Mozilla.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1632 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1632 wrote to memory of 2496 1632 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe 87 PID 1632 wrote to memory of 2496 1632 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe 87 PID 1632 wrote to memory of 2496 1632 94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Modifies firewall policy service
- Adds policy Run key to start application
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Users\Admin\AppData\Roaming\Mozilla.exe"C:\Users\Admin\AppData\Roaming\Mozilla.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2496
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
4