Analysis
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max time kernel
145s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
10-08-2024 18:46
Static task
static1
Behavioral task
behavioral1
Sample
873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe
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Size
14KB
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MD5
873c4bd6b287e83b3ccf5a03638945bc
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SHA1
6ff057ccc778e9ddaca3e12630371478dc0fce47
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SHA256
dcf51fc0fb014fdbecd6f10f76297796167a79cff663a65302d8ca0b252d69ce
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SHA512
2a9fef81bba6ac2dfcc92c3bfacd57a5286698f496ba805c625379cef41662ed2caba9a19258f3f5f13e42c423cb84d278ce4e3cdf017875fa55bc6dd4cdee7a
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SSDEEP
384:7wAV8wyvdRoGLawZWfR/Xpyx++YK1Dw28wZExb:JEdFLrmxXpo++YKJB8wQb
Malware Config
Signatures
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Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\gomvrrct.dll = "{F0930A2F-D971-4828-8209-B7DFD266ED44}" 873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe -
Loads dropped DLL 1 IoCs
pid Process 3772 873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\gomvrrct.tmp 873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\gomvrrct.tmp 873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\gomvrrct.nls 873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe -
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 873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies registry class 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F0930A2F-D971-4828-8209-B7DFD266ED44}\InProcServer32\ = "C:\\Windows\\SysWow64\\gomvrrct.dll" 873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F0930A2F-D971-4828-8209-B7DFD266ED44}\InProcServer32\ThreadingModel = "Apartment" 873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F0930A2F-D971-4828-8209-B7DFD266ED44} 873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F0930A2F-D971-4828-8209-B7DFD266ED44}\InProcServer32 873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3772 873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe 3772 873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3772 873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe 3772 873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe 3772 873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3772 wrote to memory of 464 3772 873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe 97 PID 3772 wrote to memory of 464 3772 873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe 97 PID 3772 wrote to memory of 464 3772 873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\873c4bd6b287e83b3ccf5a03638945bc_JaffaCakes118.exe"1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3772 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\2C99.tmp.bat2⤵
- System Location Discovery: System Language Discovery
PID:464
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
207B
MD54dd9ca3e9300443eb637a185bf4bd2af
SHA11ec27fba4a6c1790dcd459ffb32bfbc7063fcc66
SHA25687619be7575f228ae9730bb48a90b31e257f5ad33bf6017c5f84fca08db58450
SHA51227b7317cd723a83d59dfeac44540dfead1be371eee8b7275d684a460c6c124c6c79908c8295c1bb6a20945fd624b8c39a084cfaae1039caf092d7bc1c35889bb
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Filesize
428B
MD5b88af31278f3f4193fe357f63784beb6
SHA1cf34b6b1dfe201fdeb9f22994ab277cb1010643d
SHA256026aaa3aef5bcdc7f526721ff1f9a808739f55a06273be6fb81327d644b02aeb
SHA51292f920c4896af443580326c21d04d8637cdf03f90a9807736cc9e8f30d0b6ff8e1f73652af46fbd6d5b3e331674813d0e1e3c2deb820ac035de0db2309cca56b
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Filesize
2.2MB
MD5edc4d60d0f49c5a774b261a21230cefb
SHA193ae793ec5c321f03048ba0dbc94ef3a2d0aeb27
SHA256f9739ad3c15aecb333bdc34c48d5d412b738ab24d6884d71704b30d9c2ae6380
SHA5125f3e4f3af3760b26e84c1675c75f57a68f0ee469eefbcd15d5dbaeae641b8c0f62151be23616d73c07afe94b830e1472a51e9511bf6423aa97369b8b926dc649