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Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
27/07/2024, 00:46
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
766bfe7fbcb57bbdb2667888954ef3a5_JaffaCakes118.exe
Resource
win7-20240708-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
766bfe7fbcb57bbdb2667888954ef3a5_JaffaCakes118.exe
Resource
win10v2004-20240709-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
766bfe7fbcb57bbdb2667888954ef3a5_JaffaCakes118.exe
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Size
124KB
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MD5
766bfe7fbcb57bbdb2667888954ef3a5
-
SHA1
4e165ab9fc1f70b57ae235221b9d7c1f775a906a
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SHA256
f6f944b37246617aaa6d9e54f1b9ab366e6f67b011f520e5063093fe420a16d8
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SHA512
b65fdd225200c288cf8661b6369206e4c2e4405be41c488128577052decb473e5f0746f100fef51e2ceafd39760020d390b361215c8eb9f2d6921c3066244070
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SSDEEP
1536:wMtkjaTQ47U0GgAJa0P1kNmKldCMhdu8KWP/nTn8nBP9VeRPNeG0h/y:fkjJeU0GgAT9QIq
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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 766bfe7fbcb57bbdb2667888954ef3a5_JaffaCakes118.exe Set value (int) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cuvuk.exe -
Executes dropped EXE 1 IoCs
pid Process 2772 cuvuk.exe -
Loads dropped DLL 2 IoCs
pid Process 916 766bfe7fbcb57bbdb2667888954ef3a5_JaffaCakes118.exe 916 766bfe7fbcb57bbdb2667888954ef3a5_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /m" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /a" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /I" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /K" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /z" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /s" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /G" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /q" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /X" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /g" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /d" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /S" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /f" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /U" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /h" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /Q" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /R" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /o" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /D" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /y" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /P" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /w" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /Y" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /x" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /k" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /L" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /t" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /n" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /p" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /e" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /j" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /u" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /N" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /v" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /r" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /c" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /J" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /i" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /E" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /F" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /H" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /O" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /A" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /V" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /W" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /C" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /T" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /B" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /Q" 766bfe7fbcb57bbdb2667888954ef3a5_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /Z" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /b" cuvuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\cuvuk = "C:\\Users\\Admin\\cuvuk.exe /M" cuvuk.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 cuvuk.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 766bfe7fbcb57bbdb2667888954ef3a5_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 916 766bfe7fbcb57bbdb2667888954ef3a5_JaffaCakes118.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe 2772 cuvuk.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 916 766bfe7fbcb57bbdb2667888954ef3a5_JaffaCakes118.exe 2772 cuvuk.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 916 wrote to memory of 2772 916 766bfe7fbcb57bbdb2667888954ef3a5_JaffaCakes118.exe 30 PID 916 wrote to memory of 2772 916 766bfe7fbcb57bbdb2667888954ef3a5_JaffaCakes118.exe 30 PID 916 wrote to memory of 2772 916 766bfe7fbcb57bbdb2667888954ef3a5_JaffaCakes118.exe 30 PID 916 wrote to memory of 2772 916 766bfe7fbcb57bbdb2667888954ef3a5_JaffaCakes118.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\766bfe7fbcb57bbdb2667888954ef3a5_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\766bfe7fbcb57bbdb2667888954ef3a5_JaffaCakes118.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:916 -
C:\Users\Admin\cuvuk.exe"C:\Users\Admin\cuvuk.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:2772
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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
124KB
MD5c87dc17630d20976b5814204cd7ffe60
SHA1198a04ee0db435b3803fe14a0f04ece0d1323b4b
SHA25601a661b9273942e44c01d0371444e95d4765825952687dae9fed85adfb4c83e8
SHA512ec043ef6be285e4860be2220f402b52820f999d2425d70221219177c9d40a3d878aa154fe340fb35e3924469f380e1adb090819ae11e4f578c28468b59599c6f