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Analysis
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max time kernel
121s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
14/10/2024, 18:54
Static task
static1
Behavioral task
behavioral1
Sample
43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe
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Size
636KB
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MD5
43b1e5430d09b35ba6f4fe4e2386b8e9
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SHA1
f7df87961a06be8416942f1c0691e499afa062c8
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SHA256
9bf3967ba12bbf60b04ebbfe952d097e007605e82357311b49a3fca4727c7f87
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SHA512
c9e0898bb1bb633953f5971f9281111e39759cbca515e4ada2bbac96d9f2d187b6e58ac4945a9e5052dfe8f35a74b2f869980653b2a6b2d995f87026851cb576
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SSDEEP
12288:fiQJUlE4B1lscAAZTNNFNB04ZFeac+CATdQ2ow8I6CYW09eul8se:KkB49f/LNeaeac+RTdQ609w3
Malware Config
Signatures
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3032 1652 WerFault.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{869438AC-1009-FD84-730D-E85EA0110504}\InProcServer32 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{869438AC-1009-FD84-730D-E85EA0110504}\InProcServer32\ = "%SystemRoot%\\SysWow64\\wlanpref.dll" 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{869438AC-1009-FD84-730D-E85EA0110504}\InProcServer32\ThreadingModel = "Apartment" 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{869438AC-1009-FD84-730D-E85EA0110504} 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{869438AC-1009-FD84-730D-E85EA0110504}\ = "Adhoc Error Report Page Class" 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 1652 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 1652 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1652 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe 1652 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe 1652 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe 1652 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2536 wrote to memory of 1652 2536 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe 30 PID 2536 wrote to memory of 1652 2536 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe 30 PID 2536 wrote to memory of 1652 2536 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe 30 PID 2536 wrote to memory of 1652 2536 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe 30 PID 1652 wrote to memory of 3032 1652 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe 31 PID 1652 wrote to memory of 3032 1652 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe 31 PID 1652 wrote to memory of 3032 1652 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe 31 PID 1652 wrote to memory of 3032 1652 43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Users\Admin\AppData\Local\Temp\43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\43b1e5430d09b35ba6f4fe4e2386b8e9_JaffaCakes118.exe"2⤵
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 8963⤵
- Program crash
PID:3032
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