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Analysis
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max time kernel
149s -
max time network
98s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2024, 06:45
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1243606b8fd6fd0c8f953fcb63f0f732_JaffaCakes118.exe
Resource
win7-20240729-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
1243606b8fd6fd0c8f953fcb63f0f732_JaffaCakes118.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
1243606b8fd6fd0c8f953fcb63f0f732_JaffaCakes118.exe
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Size
232KB
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MD5
1243606b8fd6fd0c8f953fcb63f0f732
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SHA1
35a45fb60801022c50515e5d0ee11ba5fd292f4f
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SHA256
089d7ce9b5c1ed4f128a58f0b396c1bab60e60cddc232fbddc0535591fdc9bf1
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SHA512
90d222df818802216d2e16a25e439c28777b1fbb33fd1011527c4f11d002567ada5b4fc0b94ae3dd47608149db2cd74ae1b0ae5a89c2501576d8b5d740fd56f7
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SSDEEP
6144:Qh3PFKs7diixRSFBfWEqxF6snji81RUinK51jbkxkubS/:yPhJuBXVbkxJbC
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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 1243606b8fd6fd0c8f953fcb63f0f732_JaffaCakes118.exe Set value (int) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cuiwa.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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation 1243606b8fd6fd0c8f953fcb63f0f732_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 4576 cuiwa.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /l" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /v" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /b" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /g" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /x" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /m" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /j" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /w" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /i" 1243606b8fd6fd0c8f953fcb63f0f732_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /r" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /u" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /z" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /c" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /y" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /o" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /d" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /k" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /n" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /h" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /t" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /a" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /f" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /i" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /q" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /e" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /s" cuiwa.exe Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cuiwa = "C:\\Users\\Admin\\cuiwa.exe /p" cuiwa.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 1243606b8fd6fd0c8f953fcb63f0f732_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cuiwa.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4088 1243606b8fd6fd0c8f953fcb63f0f732_JaffaCakes118.exe 4088 1243606b8fd6fd0c8f953fcb63f0f732_JaffaCakes118.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe 4576 cuiwa.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4088 1243606b8fd6fd0c8f953fcb63f0f732_JaffaCakes118.exe 4576 cuiwa.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4088 wrote to memory of 4576 4088 1243606b8fd6fd0c8f953fcb63f0f732_JaffaCakes118.exe 91 PID 4088 wrote to memory of 4576 4088 1243606b8fd6fd0c8f953fcb63f0f732_JaffaCakes118.exe 91 PID 4088 wrote to memory of 4576 4088 1243606b8fd6fd0c8f953fcb63f0f732_JaffaCakes118.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\1243606b8fd6fd0c8f953fcb63f0f732_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1243606b8fd6fd0c8f953fcb63f0f732_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:4088 -
C:\Users\Admin\cuiwa.exe"C:\Users\Admin\cuiwa.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:4576
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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
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Downloads
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Filesize
232KB
MD55d819434cfeda45bd2ad26774bb48909
SHA1c4db06ebcf1addabeb86230f7bc8e279d74673c1
SHA2566edb62fd5e3cc2c13a0ef7b78f329ed3af267e627cb36f948702d7ff7a56f467
SHA5127e067bdfe62a2d0820a731f083e952d6959fdc8ef0d1ab36c79f80a080dd6f28e3cff6dbbe94819f248a25d745e5ac1de26b94eedcbd04d3879bd66ffb1f49f8