Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
27/08/2024, 22:59
Behavioral task
behavioral1
Sample
c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe
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Size
23KB
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MD5
c5e52f77107a568815714b35f88edc2e
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SHA1
8c62ebd988215c3427d2bfb33bf933cf9b85aa4b
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SHA256
17131a50733a1f1adf11fe99b52ec18c8ce4988b95a6aa9541879741ec2aa918
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SHA512
e02b7ffbcf6a6375f9c87275108b7ebd8c7d69fbb23bd3d2dc8bf55edd41d2b8d0a1719ae0f7a6bd29dc3c582afc225f8004d5248d01a9e9a3b08a79cb6f8b78
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SSDEEP
384:zQeCo2zmZbQHkJeCdUwBvQ61gjuQBnB9mRvR6JZlbw8hqIusZzZCd:k5yBVd7RpcnuZ
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2576 netsh.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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5380bd110381d2960055cc04618dfc86.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5380bd110381d2960055cc04618dfc86.exe server.exe -
Executes dropped EXE 1 IoCs
pid Process 1456 server.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5380bd110381d2960055cc04618dfc86 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5380bd110381d2960055cc04618dfc86 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
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 c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 1456 server.exe Token: 33 1456 server.exe Token: SeIncBasePriorityPrivilege 1456 server.exe Token: 33 1456 server.exe Token: SeIncBasePriorityPrivilege 1456 server.exe Token: 33 1456 server.exe Token: SeIncBasePriorityPrivilege 1456 server.exe Token: 33 1456 server.exe Token: SeIncBasePriorityPrivilege 1456 server.exe Token: 33 1456 server.exe Token: SeIncBasePriorityPrivilege 1456 server.exe Token: 33 1456 server.exe Token: SeIncBasePriorityPrivilege 1456 server.exe Token: 33 1456 server.exe Token: SeIncBasePriorityPrivilege 1456 server.exe Token: 33 1456 server.exe Token: SeIncBasePriorityPrivilege 1456 server.exe Token: 33 1456 server.exe Token: SeIncBasePriorityPrivilege 1456 server.exe Token: 33 1456 server.exe Token: SeIncBasePriorityPrivilege 1456 server.exe Token: 33 1456 server.exe Token: SeIncBasePriorityPrivilege 1456 server.exe Token: 33 1456 server.exe Token: SeIncBasePriorityPrivilege 1456 server.exe Token: 33 1456 server.exe Token: SeIncBasePriorityPrivilege 1456 server.exe Token: 33 1456 server.exe Token: SeIncBasePriorityPrivilege 1456 server.exe Token: 33 1456 server.exe Token: SeIncBasePriorityPrivilege 1456 server.exe Token: 33 1456 server.exe Token: SeIncBasePriorityPrivilege 1456 server.exe Token: 33 1456 server.exe Token: SeIncBasePriorityPrivilege 1456 server.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1884 wrote to memory of 1456 1884 c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe 92 PID 1884 wrote to memory of 1456 1884 c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe 92 PID 1884 wrote to memory of 1456 1884 c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe 92 PID 1456 wrote to memory of 2576 1456 server.exe 96 PID 1456 wrote to memory of 2576 1456 server.exe 96 PID 1456 wrote to memory of 2576 1456 server.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1456 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2576
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
23KB
MD5c5e52f77107a568815714b35f88edc2e
SHA18c62ebd988215c3427d2bfb33bf933cf9b85aa4b
SHA25617131a50733a1f1adf11fe99b52ec18c8ce4988b95a6aa9541879741ec2aa918
SHA512e02b7ffbcf6a6375f9c87275108b7ebd8c7d69fbb23bd3d2dc8bf55edd41d2b8d0a1719ae0f7a6bd29dc3c582afc225f8004d5248d01a9e9a3b08a79cb6f8b78