Analysis
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max time kernel
2s -
max time network
0s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
22-05-2024 14:19
Static task
static1
Behavioral task
behavioral1
Sample
678dddd7ede67f36302f80b735593267_JaffaCakes118.exe
Resource
win7-20231129-en
Errors
General
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Target
678dddd7ede67f36302f80b735593267_JaffaCakes118.exe
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Size
218KB
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MD5
678dddd7ede67f36302f80b735593267
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SHA1
e6ef41f48f6eef53e3fde62e9f717d67e933db7d
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SHA256
d5571af42dcf0586285d9948f2a97043f3609cace5b4ad51a539d9b5204ff727
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SHA512
36075b4a7b83330ebb6fd384b06f34d66ad3fa58679c0b5ec4766e490c9ec80d6d10109d54af40a9e1281e330d8f48527b4288e7d8ab05641c0fd7d64c93f930
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SSDEEP
6144:nwFDaEr6Lp/5uvOvBkN3xEZwxJ9tcBK9H:nwFDa5LpEYBoE6D9Oc
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 2 IoCs
Processes:
678dddd7ede67f36302f80b735593267_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,,C:\\Users\\Admin\\AppData\\Local\\oxysyljr\\weqfjlpi.exe" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,C:\\Users\\Admin\\AppData\\Local\\oxysyljr\\weqfjlpi.exe" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe -
Modifies firewall policy service 2 TTPs 3 IoCs
Processes:
678dddd7ede67f36302f80b735593267_JaffaCakes118.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe -
Modifies security service 2 TTPs 4 IoCs
Processes:
678dddd7ede67f36302f80b735593267_JaffaCakes118.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Start = "4" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\Start = "4" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe -
Processes:
678dddd7ede67f36302f80b735593267_JaffaCakes118.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe -
Processes:
678dddd7ede67f36302f80b735593267_JaffaCakes118.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe -
Drops startup file 2 IoCs
Processes:
678dddd7ede67f36302f80b735593267_JaffaCakes118.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\weqfjlpi.exe 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\weqfjlpi.exe 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe -
Processes:
resource yara_rule behavioral1/memory/2052-5-0x0000000015190000-0x00000000151CD000-memory.dmp upx behavioral1/memory/2052-8-0x0000000015190000-0x00000000151CD000-memory.dmp upx behavioral1/memory/2052-6-0x0000000015190000-0x00000000151CD000-memory.dmp upx behavioral1/memory/2052-3-0x0000000015190000-0x00000000151CD000-memory.dmp upx -
Processes:
678dddd7ede67f36302f80b735593267_JaffaCakes118.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
678dddd7ede67f36302f80b735593267_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\WeqFjlpi = "C:\\Users\\Admin\\AppData\\Local\\oxysyljr\\weqfjlpi.exe" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe -
Processes:
678dddd7ede67f36302f80b735593267_JaffaCakes118.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
678dddd7ede67f36302f80b735593267_JaffaCakes118.exedescription pid process target process PID 1752 set thread context of 2052 1752 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
678dddd7ede67f36302f80b735593267_JaffaCakes118.exepid process 2052 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe 2052 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
678dddd7ede67f36302f80b735593267_JaffaCakes118.exedescription pid process Token: SeSecurityPrivilege 2052 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Token: SeRestorePrivilege 2052 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Token: SeBackupPrivilege 2052 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe Token: SeShutdownPrivilege 2052 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
678dddd7ede67f36302f80b735593267_JaffaCakes118.exedescription pid process target process PID 1752 wrote to memory of 2052 1752 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe PID 1752 wrote to memory of 2052 1752 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe PID 1752 wrote to memory of 2052 1752 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe PID 1752 wrote to memory of 2052 1752 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe PID 1752 wrote to memory of 2052 1752 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe PID 1752 wrote to memory of 2052 1752 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe PID 1752 wrote to memory of 2052 1752 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe PID 1752 wrote to memory of 2052 1752 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe PID 1752 wrote to memory of 2052 1752 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
678dddd7ede67f36302f80b735593267_JaffaCakes118.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 678dddd7ede67f36302f80b735593267_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\678dddd7ede67f36302f80b735593267_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\678dddd7ede67f36302f80b735593267_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\678dddd7ede67f36302f80b735593267_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\678dddd7ede67f36302f80b735593267_JaffaCakes118.exe"2⤵
- Modifies WinLogon for persistence
- Modifies firewall policy service
- Modifies security service
- UAC bypass
- Windows security bypass
- Drops startup file
- Windows security modification
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- System policy modification
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Abuse Elevation Control Mechanism
1Bypass User Account Control
1Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1752-7-0x0000000000540000-0x0000000000640000-memory.dmpFilesize
1024KB
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memory/2052-5-0x0000000015190000-0x00000000151CD000-memory.dmpFilesize
244KB
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memory/2052-8-0x0000000015190000-0x00000000151CD000-memory.dmpFilesize
244KB
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memory/2052-6-0x0000000015190000-0x00000000151CD000-memory.dmpFilesize
244KB
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memory/2052-3-0x0000000015190000-0x00000000151CD000-memory.dmpFilesize
244KB
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memory/2052-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB