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Analysis
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max time kernel
149s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
10/07/2024, 11:08
Static task
static1
Behavioral task
behavioral1
Sample
34773a3bf8af2ff8f8287ff69e85c324_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
34773a3bf8af2ff8f8287ff69e85c324_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
34773a3bf8af2ff8f8287ff69e85c324_JaffaCakes118.exe
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Size
948KB
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MD5
34773a3bf8af2ff8f8287ff69e85c324
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SHA1
86ceb898e28cdb41d045021185e11c668a996bd8
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SHA256
3a2210ad633826725be9c117c457e2e8e3412e5239ed3c4cb553ea4c0a395720
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SHA512
e3562164b306b0611637e1a5d59531b9f428fc6f7cc530d333f6b461da872a04c88dc12d290e6c8f5187b441e261da2f564fae9532b67147bb64101a5fba1207
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SSDEEP
24576:aWdqE9Z1KhGep0m2Iz1HSLM22NC6QG63ENJA:aW4iaFpZeMHNCjP3
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2472 netsh.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\SymantecFilterCheck = "C:\\Windows\\system32\\BRISA.EXE" 34773a3bf8af2ff8f8287ff69e85c324_JaffaCakes118.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\MEGATRON.ini 34773a3bf8af2ff8f8287ff69e85c324_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\MEGATRON.ini 34773a3bf8af2ff8f8287ff69e85c324_JaffaCakes118.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\ponto.DLL 34773a3bf8af2ff8f8287ff69e85c324_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Internet Explorer\TypedURLs 34773a3bf8af2ff8f8287ff69e85c324_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2956 34773a3bf8af2ff8f8287ff69e85c324_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2956 34773a3bf8af2ff8f8287ff69e85c324_JaffaCakes118.exe 2956 34773a3bf8af2ff8f8287ff69e85c324_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2956 wrote to memory of 2472 2956 34773a3bf8af2ff8f8287ff69e85c324_JaffaCakes118.exe 31 PID 2956 wrote to memory of 2472 2956 34773a3bf8af2ff8f8287ff69e85c324_JaffaCakes118.exe 31 PID 2956 wrote to memory of 2472 2956 34773a3bf8af2ff8f8287ff69e85c324_JaffaCakes118.exe 31 PID 2956 wrote to memory of 2472 2956 34773a3bf8af2ff8f8287ff69e85c324_JaffaCakes118.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\34773a3bf8af2ff8f8287ff69e85c324_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\34773a3bf8af2ff8f8287ff69e85c324_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram C:\windows\system32\BRISA.exe Ftp..2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:2472
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Replay Monitor
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Downloads
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Filesize
399B
MD5f0161328b321dfcba81d4516524b2781
SHA1c65bdb62b67f4150f94d75fa64788d8f05b13859
SHA256f37e10ca84be6e476d1164eca5b1d104f5dac890f02f5de701c61b86f19a1eae
SHA512273f3bcd6cf80020ac85227184c05d4c901c07e3782e741ee5b8abb63f89171c632725de68f4b015ca902fec4268eaa1101ab8d9b7f592721e08b94a329ff672