Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
11-07-2024 21:37
Static task
static1
Behavioral task
behavioral1
Sample
3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe
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Size
534KB
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MD5
3acd3beebaad8b7d1648347f03f6f2ef
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SHA1
163befe5a4f18478dc2baf76d04546fc78a08621
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SHA256
06b935f8710775424e7c9a82e202012ba15df02f35809e3c07eec30ba8f0906a
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SHA512
0d15299e371c1d719930a311cb5660f6f7cfc26c904c41b5df65ff9f365afbbdf5c8e09e9edb2dd1bb5f51f6b5e9992ba7fbb50e132674c91dacb5e78b53ec75
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SSDEEP
12288:UsAL/W5L/SZdSCvTF+bDTqXTa7v5ougtHEg/7Q4hvayCRw/R:UsW/WNSZ8CLGETEjgXs4hIe
Malware Config
Signatures
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Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A8EAA5E8-8B9A-11D5-EBA1-F78EEEEEE983} 3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A8EAA5E8-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msfbs32.exe" 3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe -
Modifies system executable filetype association 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" 3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" 3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" 3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\concp32.exe 3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\concp32.exe 3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe File created C:\Windows\SysWOW64\vcl32.exe 3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\vcl32.exe 3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe File created C:\Windows\SysWOW64\msfbs32.exe 3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\msfbs32.exe 3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2504 2268 WerFault.exe 82 -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A8EAA5E8-8B9A-11D5-EBA1-F78EEEEEE983} 3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A8EAA5E8-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32 3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A8EAA5E8-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9 3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A8EAA5E8-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 45e85de9912bab02a9089077d44268e2 3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" 3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2268 3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3acd3beebaad8b7d1648347f03f6f2ef_JaffaCakes118.exe"1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies system executable filetype association
- Adds Run key to start application
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:2268 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 7442⤵
- Program crash
PID:2504
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2268 -ip 22681⤵PID:3076
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Replay Monitor
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Downloads
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Filesize
543KB
MD598277f86be24178ee8b90fa821ee7a75
SHA190a08c9ffeeac63e4a9e0c2330d7f369ec547a1f
SHA25624c05af1b7e6abc7ea81e0ed0677a0937ad3aea9112ee1cf0b83d13f9d2381cc
SHA5128e9c0994cb40ea66c00c31dd31e17565406a10d7d9ca84a23b8cabb79e15e08c21b478c99f3995013282f74d80c6b966df3649e292e79b7e5c541324f43e73a6