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Analysis
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max time kernel
122s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
08/07/2024, 01:23
Static task
static1
Behavioral task
behavioral1
Sample
2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe
Resource
win10v2004-20240704-en
General
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Target
2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe
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Size
627KB
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MD5
2a7ce456c89135b618e6ed1676fb3343
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SHA1
f41fd8a1a8621da9f1e5e06f44500b9954312931
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SHA256
1b0f0d106c3d4b0a3b05c4cb41f9966b5bb5122fd06b3e4ef0b31547f8e17209
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SHA512
ae3ccdde0f83a4f2706c98d85b9d474364ff536c00b81ebada307579848c50bae248e6fe3e0a0194a4030530c0c8555362982647fabc6ffea79970eff525bbbb
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SSDEEP
12288:UsAqMGHGSX1388BxGVI43GVpinJMcODu5OcQ9F9zKnXDX24mrfaqg+NH:UsBbW1SaR7QIXDm4mrfagx
Malware Config
Signatures
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Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 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\{7383F331-8B9A-11D5-EBA1-F78EEEEEE983} 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{7383F331-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msxak32.exe" 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{7383F331-8B9A-11D5-EBA1-F78EEEEEE983} svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{7383F331-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msxak32.exe" svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2452 svchost.exe -
Modifies system executable filetype association 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" svchost.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" svchost.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\vcl32.exe 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\vcl32.exe 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe File created C:\Windows\SysWOW64\msxak32.exe 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\msxak32.exe 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe File created C:\Windows\SysWOW64\concp32.exe 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\concp32.exe 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\svchost.exe 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe File opened for modification C:\Windows\svchost.exe 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe -
Modifies registry class 12 IoCs
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7383F331-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226 svchost.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7383F331-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4 svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7383F331-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165" svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7383F331-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7383F331-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 9e5713776a92f20da5844656615821aa 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7383F331-8B9A-11D5-EBA1-F78EEEEEE983} svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7383F331-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32 svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7383F331-8B9A-11D5-EBA1-F78EEEEEE983} 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7383F331-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7383F331-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f svchost.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 600 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 600 wrote to memory of 2452 600 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe 30 PID 600 wrote to memory of 2452 600 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe 30 PID 600 wrote to memory of 2452 600 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe 30 PID 600 wrote to memory of 2452 600 2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2a7ce456c89135b618e6ed1676fb3343_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\2a7ce456c89135b618e6ed1676fb3343_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
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:600 -
C:\Windows\svchost.exeC:\Windows\svchost.exe2⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Modifies system executable filetype association
- Adds Run key to start application
- Modifies registry class
PID:2452
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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
637KB
MD541778941f24cdffe409008e2b641301f
SHA1765a3718c3c496f22259e85705f195cef25fb706
SHA256262210a61a606f94d1000e99b2054cd9407c024341c4de5a906ad57c0d72bb03
SHA512137f5406b66b71ade0be38dd1d7030bc2d302b5dbc6a91765ffa15ad9bd1c0095ecdc01773877f16700ea0cf30b37a1509268d6bb80765c8b344f62781b2bb6b
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Filesize
632KB
MD520a32841def0bc9c40c230611296675f
SHA1c8cd23d993d7c5280f65a32981d94bd7297ee532
SHA256fc153f84ccde26194f963fc578469e66d5afa87a79280ba40f19b6efb20da3b1
SHA51275ac5dc3f6540351810494fc32f48bd0e33ee6ace20a41466ef11dd6fe1342918b076f0536805c38fff806f688bd825ef3387d6132af172ae86e7712dcc7c174