Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
04-06-2024 16:16
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe
Resource
win7-20240508-en
windows7-x64
10 signatures
150 seconds
General
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Target
957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe
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Size
1.5MB
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MD5
957d0c6fd2464d4097b983f2653d0cfd
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SHA1
991aeb7eaf0ddc6eab851e827ccb47d10fdf9fcb
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SHA256
e840352bcd3cc050be24526f177794d87c7dc6592aa09bd01b956c396b4ccb5d
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SHA512
696561c37a67727a27cdc0fdc09763af0a0cad30659bd0c9d36cebb6898e9748630b018949df2cc8d4f90bc73cd6338d72dfd7249e74040a73caace145db9073
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SSDEEP
24576:5AHnh+eWsN3skA4RV1Hom2KXMmHag3ibx//3Fb3//8sap/VP0rMSz5:Ah+ZkldoPK8Yag/0f
Malware Config
Signatures
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wininit.url 957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini RegAsm.exe File opened for modification C:\Windows\assembly\Desktop.ini RegAsm.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3896 set thread context of 1556 3896 957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe 85 -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly RegAsm.exe File created C:\Windows\assembly\Desktop.ini RegAsm.exe File opened for modification C:\Windows\assembly\Desktop.ini RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3896 957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe 3896 957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe 3896 957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe 3896 957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1556 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1556 RegAsm.exe Token: 33 1556 RegAsm.exe Token: SeIncBasePriorityPrivilege 1556 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 3896 957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe 3896 957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe 3896 957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe -
Suspicious use of SendNotifyMessage 3 IoCs
pid Process 3896 957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe 3896 957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe 3896 957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1556 RegAsm.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3896 wrote to memory of 1556 3896 957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe 85 PID 3896 wrote to memory of 1556 3896 957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe 85 PID 3896 wrote to memory of 1556 3896 957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe 85 PID 3896 wrote to memory of 1556 3896 957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe 85 PID 3896 wrote to memory of 1556 3896 957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\957d0c6fd2464d4097b983f2653d0cfd_JaffaCakes118.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3896 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1556
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:3648