Analysis
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max time kernel
150s -
max time network
99s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
20/09/2024, 08:31
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ed357b3879b3162b81f62efa449ff743_JaffaCakes118.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
ed357b3879b3162b81f62efa449ff743_JaffaCakes118.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
ed357b3879b3162b81f62efa449ff743_JaffaCakes118.exe
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Size
232KB
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MD5
ed357b3879b3162b81f62efa449ff743
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SHA1
9f360c2e9870bda75c65137899559a395a7dc2c9
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SHA256
13eaba5d8d79c686ed90aba2845ee143b004f38e499d3092e8f44ffa9213e395
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SHA512
9a505f0d47337fe8605dd3b0e7d0382503109cac30cd71135c4ffed294e7a7512e9a00cca7473dfee7e799b7263522a5602dcf158849133403498cf6556c20ca
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SSDEEP
6144:vS3PFKs7TsyKeEqxF6snji81RUinKR3Kz+ehF6F:4PhYAFk
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ed357b3879b3162b81f62efa449ff743_JaffaCakes118.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cuicai.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation ed357b3879b3162b81f62efa449ff743_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 516 cuicai.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /l" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /y" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /c" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /k" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /w" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /t" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /q" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /p" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /r" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /z" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /j" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /m" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /v" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /e" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /h" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /e" ed357b3879b3162b81f62efa449ff743_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /f" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /i" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /s" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /b" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /g" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /u" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /n" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /o" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /x" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /a" cuicai.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuicai = "C:\\Users\\Admin\\cuicai.exe /d" cuicai.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 ed357b3879b3162b81f62efa449ff743_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cuicai.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3200 ed357b3879b3162b81f62efa449ff743_JaffaCakes118.exe 3200 ed357b3879b3162b81f62efa449ff743_JaffaCakes118.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe 516 cuicai.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3200 ed357b3879b3162b81f62efa449ff743_JaffaCakes118.exe 516 cuicai.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3200 wrote to memory of 516 3200 ed357b3879b3162b81f62efa449ff743_JaffaCakes118.exe 89 PID 3200 wrote to memory of 516 3200 ed357b3879b3162b81f62efa449ff743_JaffaCakes118.exe 89 PID 3200 wrote to memory of 516 3200 ed357b3879b3162b81f62efa449ff743_JaffaCakes118.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\ed357b3879b3162b81f62efa449ff743_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ed357b3879b3162b81f62efa449ff743_JaffaCakes118.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3200 -
C:\Users\Admin\cuicai.exe"C:\Users\Admin\cuicai.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:516
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
232KB
MD54e7ef982e87e06a7837e5abc13824a02
SHA1cc691375a10556ebeb247ba98c40e9c9dc6bcf9f
SHA2569812bbb200dcbc70af14ba87041340d93aa282b8a4c3b3ce4686c2076b881f95
SHA5123f133f27acc7760f0530becd84d3455e2cadbe5623fac04d18b1f4c2857ae0fb703618911d6b95f68d629a01aa8afe17c012b8b518b0f1a8ef6c43247f594d36