Analysis
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max time kernel
150s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
13-12-2024 03:39
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
e9b5328761a03dfab00189560c22fa51_JaffaCakes118.dll
Resource
win7-20240708-en
windows7-x64
20 signatures
150 seconds
General
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Target
e9b5328761a03dfab00189560c22fa51_JaffaCakes118.dll
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Size
172KB
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MD5
e9b5328761a03dfab00189560c22fa51
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SHA1
5100d45b9c80d24292a911bcf66f937d58acd77f
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SHA256
90cf5db5ff3f4490513c2144c94b845e343d4cd79f554cabd45bf6c173311587
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SHA512
16fd0f8a0a3700895e25e2fc3c67b1c354cb493a8ee9971a69f377a335efba2b1dfc0f72eb3dd95e9dd77882981c3f70db8acfd3ea77897feafc5c4c617f8936
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SSDEEP
3072:M1eOCo+TjB3JN+tvyN5BItbp/07ygLFYqAu:MMdT0yy2xF
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,C:\\Users\\Admin\\AppData\\Local\\abflfncc\\ihtbpnlp.exe" svchost.exe -
Modifies firewall policy service 3 TTPs 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" amrvrpky.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" amrvrpky.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" amrvrpky.exe -
Modifies security service 2 TTPs 8 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\Start = "4" amrvrpky.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4" amrvrpky.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Start = "4" amrvrpky.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\Start = "4" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Start = "4" svchost.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" amrvrpky.exe -
Ramnit family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" amrvrpky.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" amrvrpky.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" amrvrpky.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" amrvrpky.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" amrvrpky.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" amrvrpky.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" amrvrpky.exe -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ihtbpnlp.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ihtbpnlp.exe svchost.exe -
Executes dropped EXE 3 IoCs
pid Process 2448 oJfxHI1K 2712 amrvrpky.exe 2464 amrvrpky.exe -
Loads dropped DLL 6 IoCs
pid Process 2100 rundll32.exe 2100 rundll32.exe 2448 oJfxHI1K 2448 oJfxHI1K 2332 cmd.exe 2332 cmd.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" amrvrpky.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" amrvrpky.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" amrvrpky.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" amrvrpky.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" amrvrpky.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" amrvrpky.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\IhtBpnlp = "C:\\Users\\Admin\\AppData\\Local\\abflfncc\\ihtbpnlp.exe" svchost.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" amrvrpky.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 6 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 amrvrpky.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language oJfxHI1K Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2748 svchost.exe 2748 svchost.exe 2464 amrvrpky.exe 2464 amrvrpky.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe 2748 svchost.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 476 Process not Found -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeSecurityPrivilege 2448 oJfxHI1K Token: SeDebugPrivilege 2448 oJfxHI1K Token: SeSecurityPrivilege 1964 svchost.exe Token: SeSecurityPrivilege 2748 svchost.exe Token: SeDebugPrivilege 2748 svchost.exe Token: SeDebugPrivilege 2748 svchost.exe Token: SeDebugPrivilege 2748 svchost.exe Token: SeRestorePrivilege 2748 svchost.exe Token: SeBackupPrivilege 2748 svchost.exe Token: SeSecurityPrivilege 2712 amrvrpky.exe Token: SeSecurityPrivilege 2464 amrvrpky.exe Token: SeLoadDriverPrivilege 2464 amrvrpky.exe -
Suspicious use of WriteProcessMemory 45 IoCs
description pid Process procid_target PID 2000 wrote to memory of 2100 2000 rundll32.exe 30 PID 2000 wrote to memory of 2100 2000 rundll32.exe 30 PID 2000 wrote to memory of 2100 2000 rundll32.exe 30 PID 2000 wrote to memory of 2100 2000 rundll32.exe 30 PID 2000 wrote to memory of 2100 2000 rundll32.exe 30 PID 2000 wrote to memory of 2100 2000 rundll32.exe 30 PID 2000 wrote to memory of 2100 2000 rundll32.exe 30 PID 2100 wrote to memory of 2448 2100 rundll32.exe 31 PID 2100 wrote to memory of 2448 2100 rundll32.exe 31 PID 2100 wrote to memory of 2448 2100 rundll32.exe 31 PID 2100 wrote to memory of 2448 2100 rundll32.exe 31 PID 2448 wrote to memory of 1964 2448 oJfxHI1K 32 PID 2448 wrote to memory of 1964 2448 oJfxHI1K 32 PID 2448 wrote to memory of 1964 2448 oJfxHI1K 32 PID 2448 wrote to memory of 1964 2448 oJfxHI1K 32 PID 2448 wrote to memory of 1964 2448 oJfxHI1K 32 PID 2448 wrote to memory of 1964 2448 oJfxHI1K 32 PID 2448 wrote to memory of 1964 2448 oJfxHI1K 32 PID 2448 wrote to memory of 1964 2448 oJfxHI1K 32 PID 2448 wrote to memory of 1964 2448 oJfxHI1K 32 PID 2448 wrote to memory of 1964 2448 oJfxHI1K 32 PID 2448 wrote to memory of 1964 2448 oJfxHI1K 32 PID 2448 wrote to memory of 2748 2448 oJfxHI1K 33 PID 2448 wrote to memory of 2748 2448 oJfxHI1K 33 PID 2448 wrote to memory of 2748 2448 oJfxHI1K 33 PID 2448 wrote to memory of 2748 2448 oJfxHI1K 33 PID 2448 wrote to memory of 2748 2448 oJfxHI1K 33 PID 2448 wrote to memory of 2748 2448 oJfxHI1K 33 PID 2448 wrote to memory of 2748 2448 oJfxHI1K 33 PID 2448 wrote to memory of 2748 2448 oJfxHI1K 33 PID 2448 wrote to memory of 2748 2448 oJfxHI1K 33 PID 2448 wrote to memory of 2748 2448 oJfxHI1K 33 PID 2448 wrote to memory of 2748 2448 oJfxHI1K 33 PID 2448 wrote to memory of 2712 2448 oJfxHI1K 34 PID 2448 wrote to memory of 2712 2448 oJfxHI1K 34 PID 2448 wrote to memory of 2712 2448 oJfxHI1K 34 PID 2448 wrote to memory of 2712 2448 oJfxHI1K 34 PID 2712 wrote to memory of 2332 2712 amrvrpky.exe 35 PID 2712 wrote to memory of 2332 2712 amrvrpky.exe 35 PID 2712 wrote to memory of 2332 2712 amrvrpky.exe 35 PID 2712 wrote to memory of 2332 2712 amrvrpky.exe 35 PID 2332 wrote to memory of 2464 2332 cmd.exe 37 PID 2332 wrote to memory of 2464 2332 cmd.exe 37 PID 2332 wrote to memory of 2464 2332 cmd.exe 37 PID 2332 wrote to memory of 2464 2332 cmd.exe 37 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" amrvrpky.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e9b5328761a03dfab00189560c22fa51_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e9b5328761a03dfab00189560c22fa51_JaffaCakes118.dll,#12⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Users\Admin\AppData\Local\Temp\oJfxHI1K"oJfxHI1K"3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1964
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe4⤵
- Modifies WinLogon for persistence
- Modifies firewall policy service
- Modifies security service
- UAC bypass
- Windows security bypass
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2748
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C:\Users\Admin\AppData\Local\Temp\amrvrpky.exe"C:\Users\Admin\AppData\Local\Temp\amrvrpky.exe" elevate4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2712 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\amrvrpky.exe"" admin5⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Users\Admin\AppData\Local\Temp\amrvrpky.exe"C:\Users\Admin\AppData\Local\Temp\amrvrpky.exe" admin6⤵
- Modifies firewall policy service
- Modifies security service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:2464
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
8Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
99KB
MD52f5964aefc23c144312263bcde6f4c29
SHA17235402d08be134c24289c202b21437cfdee6a44
SHA2569c04fadd4b513f6d221d903e513bc6ce07b9a564db88cbce174db6d9e9a75831
SHA512afe0a089537669cb1de2ab4ed9575665d9837e84cad5acceba5fc22adbc086b51cdadbab8348f940c6908179fc4509d6d0954cba459f9248ae00a9b708803869