Analysis
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max time kernel
150s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
12/04/2024, 00:25
Behavioral task
behavioral1
Sample
eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe
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Size
4.5MB
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MD5
eeb3005e34e666b18f5b6eabcd02856c
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SHA1
01e2fb8d5feaf126b32167ebcfd408f794e0acd7
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SHA256
633a2f9d97be6e25dc8b58c3fa3fb3c13ec8ec4b6ca75dbddd555b74053f9e00
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SHA512
b399c23ae403832b21f9f49573234b31dc1f53b0bcaaf50d9ae5b026c5c489599e399f1a3c69f505789ee603860a53fa4bae7c3a94254bf4ea9a13190b58ee4e
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SSDEEP
98304:ulRqOikogW1g84mP6z27SS4TbBJXXwTt9onSzobT:uPqOf58rP6a343HwTvoSzov
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2592 netsh.exe -
Stops running service(s) 3 TTPs
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Uses Session Manager for persistence 2 TTPs 3 IoCs
Creates Session Manager registry key to run executable early in system boot.
description ioc Process Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SESSION MANAGER\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000 reg.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet002\Control\Session Manager\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000 reg.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SESSION MANAGER\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000 reg.exe -
resource yara_rule behavioral1/memory/2368-5-0x0000000000400000-0x0000000001C72000-memory.dmp themida behavioral1/memory/2368-9-0x0000000000400000-0x0000000001C72000-memory.dmp themida behavioral1/memory/2368-16-0x0000000000400000-0x0000000001C72000-memory.dmp themida behavioral1/memory/2368-18-0x0000000000400000-0x0000000001C72000-memory.dmp themida behavioral1/memory/2368-20-0x0000000000400000-0x0000000001C72000-memory.dmp themida behavioral1/memory/2368-22-0x0000000000400000-0x0000000001C72000-memory.dmp themida behavioral1/memory/2368-32-0x0000000000400000-0x0000000001C72000-memory.dmp themida behavioral1/memory/2368-34-0x0000000000400000-0x0000000001C72000-memory.dmp themida -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Winexec32 = "C:\\windows\\system\\win.exe" eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\reg_winupdate001.txt eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\windows\system\win.exe eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2676 sc.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2672 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2368 wrote to memory of 2672 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 28 PID 2368 wrote to memory of 2672 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 28 PID 2368 wrote to memory of 2672 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 28 PID 2368 wrote to memory of 2672 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 28 PID 2368 wrote to memory of 2676 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 29 PID 2368 wrote to memory of 2676 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 29 PID 2368 wrote to memory of 2676 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 29 PID 2368 wrote to memory of 2676 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 29 PID 2368 wrote to memory of 2772 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 31 PID 2368 wrote to memory of 2772 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 31 PID 2368 wrote to memory of 2772 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 31 PID 2368 wrote to memory of 2772 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 31 PID 2368 wrote to memory of 2660 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 32 PID 2368 wrote to memory of 2660 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 32 PID 2368 wrote to memory of 2660 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 32 PID 2368 wrote to memory of 2660 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 32 PID 2368 wrote to memory of 2616 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 33 PID 2368 wrote to memory of 2616 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 33 PID 2368 wrote to memory of 2616 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 33 PID 2368 wrote to memory of 2616 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 33 PID 2368 wrote to memory of 2592 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 35 PID 2368 wrote to memory of 2592 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 35 PID 2368 wrote to memory of 2592 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 35 PID 2368 wrote to memory of 2592 2368 eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\eeb3005e34e666b18f5b6eabcd02856c_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system2⤵
- Creates scheduled task(s)
PID:2672
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C:\Windows\SysWOW64\sc.exesc delete GbpSv2⤵
- Launches sc.exe
PID:2676
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C:\Windows\SysWOW64\reg.exereg add "HKLM\SYSTEM\ControlSet001\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f2⤵
- Uses Session Manager for persistence
PID:2772
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C:\Windows\SysWOW64\reg.exereg add "HKLM\SYSTEM\ControlSet002\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f2⤵
- Uses Session Manager for persistence
PID:2660
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C:\Windows\SysWOW64\reg.exereg add "HKLM\SYSTEM\CurrentControlSet\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f2⤵
- Uses Session Manager for persistence
PID:2616
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram C:\windows\system\win.exe RPCCC2⤵
- Modifies Windows Firewall
PID:2592
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1