Analysis
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max time kernel
141s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
09/07/2024, 22:55
Behavioral task
behavioral1
Sample
3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe
Resource
win7-20240704-en
windows7-x64
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe
Resource
win10v2004-20240709-en
windows10-2004-x64
2 signatures
150 seconds
General
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Target
3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe
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Size
41KB
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MD5
3250fbd90d024c908106cbec8e9f51bc
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SHA1
1778ea02760b5fc2c4215deb7ea3d04502f37345
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SHA256
6fba4f77289d1914029f66a23f9042232ceb2d5ee22bca2c323a806034138e3e
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SHA512
195fad238b9f0d62581afa13b8a9ff915c2f71d11f6ee7720b1dd59f75da7ece1c3101ad4a885aaca2d2c47b5e905410c169db8568f8223c95a0afc58fae67a3
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SSDEEP
768:KvBgclfRsHJhSS2/TsiD9e12jECpBvU+z6Isas06E+:KE/nwTl9e12Jpu+z5ds06E
Malware Config
Signatures
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Modifies firewall policy service 3 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\rundll32.exe = "C:\\Windows\\SysWOW64\\rundll32.exe:*:Enabled:rundll32" rundll32.exe -
Blocklisted process makes network request 1 IoCs
flow pid Process 3 792 rundll32.exe -
Drops file in Drivers directory 64 IoCs
description ioc Process File created C:\Windows\SysWOW64\drivers\crcdisk.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\dxgkrnl.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\ndisuio.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\tdx.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\Wdf01000.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\blbdrive.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\amdsata.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\ndiscap.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\gagp30kx.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\ipfltdrv.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\peauth.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\usbuhci.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\circlass.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\compbatt.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\fvevol.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\agp440.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\lsi_sas2.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\MSTEE.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\usbcir.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\errdev.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\nwifi.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\WudfPf.sys rundll32.exe File created C:\Windows\SysWOW64\Drivers\ksecdd.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\msahci.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\storvsc.sys rundll32.exe File created C:\Windows\SysWOW64\Drivers\BrSerWdm.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\mshidkmdf.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\b57nd60a.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\rassstp.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\usbehci.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\raspppoe.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\hidusb.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\lsi_sas.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\mouclass.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\ndiswan.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\nsiproxy.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\usbhub.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\vmbus.sys rundll32.exe File opened for modification C:\Windows\SysWOW64\drivers\1394ohci.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\lsi_scsi.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\pcw.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\ksthunk.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\amdsbs.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\mssmbios.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\ndistapi.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\discache.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\mountmgr.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\wacompen.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\amdxata.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\ipnat.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\isapnp.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\volmgr.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\cdrom.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\adp94xx.sys rundll32.exe File created C:\Windows\SysWOW64\DRIVERS\CompositeBus.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\MSKSSRV.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\sffdisk.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\synth3dvsc.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\vdrvroot.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\volsnap.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\acpipmi.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\ws2ifsl.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\csc.sys rundll32.exe File created C:\Windows\SysWOW64\drivers\megasas.sys rundll32.exe -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x000a000000012283-5.dat acprotect -
Deletes itself 1 IoCs
pid Process 792 rundll32.exe -
Impair Defenses: Safe Mode Boot 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\java2.sys rundll32.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\java2.sys\ = "Driver" rundll32.exe -
Loads dropped DLL 5 IoCs
pid Process 2948 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe -
resource yara_rule behavioral1/memory/2948-0-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral1/files/0x000a000000012283-5.dat upx behavioral1/memory/2948-8-0x0000000010000000-0x0000000010040000-memory.dmp upx behavioral1/memory/792-15-0x0000000010000000-0x0000000010040000-memory.dmp upx behavioral1/memory/2948-16-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral1/memory/2948-18-0x0000000010000000-0x0000000010040000-memory.dmp upx behavioral1/memory/792-227-0x0000000010000000-0x0000000010040000-memory.dmp upx -
Installs/modifies Browser Helper Object 2 TTPs 3 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF} rundll32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3} rundll32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E} rundll32.exe -
Modifies WinLogon 2 TTPs 8 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\snjava 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\snjava\DllName = "snjava.dll" 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\snjava\Startup = "snjava" 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\snjava\Impersonate = "1" 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\snjava\Asynchronous = "1" 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\snjava\MaxWait = "1" 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\snjava\ngrvv = "[92231A31FAE9F4C8C]" 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\snjava.dll 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe File created C:\Windows\SysWOW64\java2.sys 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\java2.sys 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\z98.bin 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\z98.bin rundll32.exe File opened for modification C:\Windows\SysWOW64\a9k.bin 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe File created C:\Windows\SysWOW64\CLFS.sys rundll32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2748 792 WerFault.exe 28 -
description ioc Process Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{2670000A-7350-4F3C-8081-5663EE0C6C49} rundll32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Extensions\{789FE86F-6FC4-46A1-9849-EDE0DB0C95CA} rundll32.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 792 rundll32.exe -
Suspicious behavior: LoadsDriver 64 IoCs
pid Process 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe 792 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2948 wrote to memory of 792 2948 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe 28 PID 2948 wrote to memory of 792 2948 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe 28 PID 2948 wrote to memory of 792 2948 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe 28 PID 2948 wrote to memory of 792 2948 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe 28 PID 2948 wrote to memory of 792 2948 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe 28 PID 2948 wrote to memory of 792 2948 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe 28 PID 2948 wrote to memory of 792 2948 3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe 28 PID 792 wrote to memory of 2748 792 rundll32.exe 31 PID 792 wrote to memory of 2748 792 rundll32.exe 31 PID 792 wrote to memory of 2748 792 rundll32.exe 31 PID 792 wrote to memory of 2748 792 rundll32.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2948 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe snjava.dll,snjava C:\Users\Admin\AppData\Local\Temp\3250fbd90d024c908106cbec8e9f51bc_JaffaCakes118.exe2⤵
- Modifies firewall policy service
- Blocklisted process makes network request
- Drops file in Drivers directory
- Deletes itself
- Impair Defenses: Safe Mode Boot
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of WriteProcessMemory
PID:792 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 792 -s 7723⤵
- Program crash
PID:2748
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Browser Extensions
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
8KB
MD50379dacc71dbfbde873f5683f83a4f65
SHA1f4dbb8bf2d34b6f5e7330ca0b6f9217f8e41f0d0
SHA2568bae64289b178ed447f8e86510cc4c33686d35ef0b00ab90765886a961075e8b
SHA5123d628d1370a858d1779bed3d152687878257bb5a4676060719bb1fa2e4b5c0416707476ab94789f68f3549c6650c1e162ed3c6a72ff0259f4a6f71163e4bc65f
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Filesize
23KB
MD513e16461d3d121cbdccd2805ab70e67c
SHA1017a31b829204fc4237bb0fad70c68e2811af3b6
SHA25632d6540b5f4323bf9e93e523ec1edd3f029dc60a90317dcbfbfedbc6db4c58de
SHA512f7010ecc3a29d22a6f742fe7086b460a7678d1412243f0f1322310cf50d5f0bcc68d69f6cd878d65ea3f8e4264086ef80a97a0d376cb77d14fe75974fc988ef3