Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
13/07/2024, 13:52
Static task
static1
Behavioral task
behavioral1
Sample
41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe
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Size
3.6MB
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MD5
41f2417a047641acf1c5fa6abc75425f
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SHA1
77d4804e045aa54c181fb7b7ca36eb4bc140220b
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SHA256
35343f917ca5b8ad992523af353ac610eb547076bde1e347696fb1414c42dab7
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SHA512
9ce293a406fb05faca004dcd7e827f4156504aa970a098dc4992bdb85e2be4e53555778b3f8f6b9570e391773e3cd023c2c5667bf27e9754610a8140e2fa606e
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SSDEEP
49152:kTw99ur0vQxpFYMOUJ0/axErfys6KOFXraawsVggOEU8KRctyOhcyhJFpw:mWDvQ9ROUiyDHUawsVggOEUbRxscyv
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1416 netsh.exe -
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\ControlSet002\Control\Session manager\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000 reg.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Session Manager\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000 reg.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Session Manager\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000 reg.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows32 = "C:\\Arquivos de Programas\\windows32.exe" 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\reg_0001.txt 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3004 sc.exe -
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 value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4408 schtasks.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1480 wrote to memory of 4408 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe 86 PID 1480 wrote to memory of 4408 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe 86 PID 1480 wrote to memory of 4408 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe 86 PID 1480 wrote to memory of 3004 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe 87 PID 1480 wrote to memory of 3004 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe 87 PID 1480 wrote to memory of 3004 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe 87 PID 1480 wrote to memory of 1552 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe 89 PID 1480 wrote to memory of 1552 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe 89 PID 1480 wrote to memory of 1552 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe 89 PID 1480 wrote to memory of 2300 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe 91 PID 1480 wrote to memory of 2300 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe 91 PID 1480 wrote to memory of 2300 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe 91 PID 1480 wrote to memory of 4576 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe 92 PID 1480 wrote to memory of 4576 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe 92 PID 1480 wrote to memory of 4576 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe 92 PID 1480 wrote to memory of 1416 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe 94 PID 1480 wrote to memory of 1416 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe 94 PID 1480 wrote to memory of 1416 1480 41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\41f2417a047641acf1c5fa6abc75425f_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1480 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system2⤵
- Scheduled Task/Job: Scheduled Task
PID:4408
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C:\Windows\SysWOW64\sc.exesc delete GbpSv2⤵
- Launches sc.exe
PID:3004
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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:1552
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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:2300
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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:4576
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram C:\Arquivos de Programas\windows32.exe RPCCC2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:1416
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Network
MITRE ATT&CK Enterprise v15
Execution
Scheduled Task/Job
1Scheduled Task
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1