Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16-06-2024 01:37
Static task
static1
Behavioral task
behavioral1
Sample
b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe
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Size
499KB
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MD5
b123b9b511f8d0e2818429e40448d006
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SHA1
0068d77e7f1fd1f13c076b2ca9409eaca25ea93b
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SHA256
0918a7e12e19880194c89b9a6d7c3abc3de4631bf0549343808333707d1a18f8
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SHA512
fc44357df4e6636596eafe9265164fc0162843fb0c476e5c9628ac3eeb5482c6844836abdeb7c949464c4cd9cc324618723799e3438aa6f382790156f0430648
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SSDEEP
12288:J8cgUYIVxU3h9E/iJlAslNgE+cOqima+d343/8Pw4mX:W8YIjU3nyiJlNNZ/iod3k044m
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winincion = "\\windowsfirewall\\firewallwindowsn.exe" b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winincion = "C:\\Users\\Admin\\AppData\\Roaming\\windowsfirewall\\firewallwindowsn.exe" b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\Windows\assembly\Desktop.ini b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe File created C:\Windows\assembly\Desktop.ini b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3860 set thread context of 4424 3860 b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe 85 -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe File created C:\Windows\assembly\Desktop.ini b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe File opened for modification C:\Windows\assembly\Desktop.ini b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4424 b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3860 b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe Token: SeDebugPrivilege 4424 b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe Token: 33 4424 b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 4424 b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4424 b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3860 wrote to memory of 4424 3860 b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe 85 PID 3860 wrote to memory of 4424 3860 b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe 85 PID 3860 wrote to memory of 4424 3860 b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe 85 PID 3860 wrote to memory of 4424 3860 b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe 85 PID 3860 wrote to memory of 4424 3860 b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe 85 PID 3860 wrote to memory of 4424 3860 b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe 85 PID 3860 wrote to memory of 4424 3860 b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe 85 PID 3860 wrote to memory of 4424 3860 b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3860 -
C:\Users\Admin\AppData\Local\Temp\b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b123b9b511f8d0e2818429e40448d006_JaffaCakes118.exe"2⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4424
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:1240
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67B
MD5b8b16d8623b812671dab50b4cacdddc6
SHA101e3f1ebe90e4f87527f8f543fb438704622cd68
SHA256fc34ccbd549f9ec6382c891904ac8f28e752cd0dcdf2afbd79ea2860611be55a
SHA512d27c621ccf3d922b3c705f2319e3a0b6595ec796948b74100a66bf915c049eb5b6d7e3d570738d03216e1e1d3a24bc8787737245b6ec360ac9da9e82a158560d