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Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19/08/2024, 05:03
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a9b1f102f391930bb11eb3698c33fc04_JaffaCakes118.exe
Resource
win7-20240708-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
a9b1f102f391930bb11eb3698c33fc04_JaffaCakes118.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
a9b1f102f391930bb11eb3698c33fc04_JaffaCakes118.exe
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Size
96KB
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MD5
a9b1f102f391930bb11eb3698c33fc04
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SHA1
e3292bde7d576428a8d8e6835d96b4fee882f5ef
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SHA256
ca13eebd18fe782cc8be177e131de00e0ea995d0bceb1fbeca2f90c1ff31231a
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SHA512
03df3797e00c72235d50569f6fab7837d012f2a1ae02bce1ea70eb2a0661557cdd1dafb85e2f981ff552041f2a6c02fae484c245ca2b53a55bd0963424004129
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SSDEEP
1536:Pm6Eg5279tyVQO8P8ychVuwjj3RJNEo/knRzdnynE7RldNEP8lijOewNIj/:PtE/7elychVHzR3Ek65RldqwC/
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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" a9b1f102f391930bb11eb3698c33fc04_JaffaCakes118.exe Set value (int) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" mrlek.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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation a9b1f102f391930bb11eb3698c33fc04_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 3620 mrlek.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /Z" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /t" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /U" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /K" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /a" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /C" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /O" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /P" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /g" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /h" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /c" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /i" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /B" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /e" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /W" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /Q" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /F" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /E" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /G" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /z" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /A" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /M" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /v" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /Y" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /l" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /f" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /H" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /N" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /b" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /n" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /j" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /J" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /o" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /p" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /d" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /I" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /S" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /i" a9b1f102f391930bb11eb3698c33fc04_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /w" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /q" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /r" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /x" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /L" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /m" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /s" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /y" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /V" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /D" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /u" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /R" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /X" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /T" mrlek.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrlek = "C:\\Users\\Admin\\mrlek.exe /k" mrlek.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 a9b1f102f391930bb11eb3698c33fc04_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mrlek.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4128 a9b1f102f391930bb11eb3698c33fc04_JaffaCakes118.exe 4128 a9b1f102f391930bb11eb3698c33fc04_JaffaCakes118.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe 3620 mrlek.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4128 a9b1f102f391930bb11eb3698c33fc04_JaffaCakes118.exe 3620 mrlek.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4128 wrote to memory of 3620 4128 a9b1f102f391930bb11eb3698c33fc04_JaffaCakes118.exe 92 PID 4128 wrote to memory of 3620 4128 a9b1f102f391930bb11eb3698c33fc04_JaffaCakes118.exe 92 PID 4128 wrote to memory of 3620 4128 a9b1f102f391930bb11eb3698c33fc04_JaffaCakes118.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\a9b1f102f391930bb11eb3698c33fc04_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a9b1f102f391930bb11eb3698c33fc04_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:4128 -
C:\Users\Admin\mrlek.exe"C:\Users\Admin\mrlek.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:3620
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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
96KB
MD5255327d107280afca06ba0d47c8dceda
SHA1566eee3eb6e113ac8ac8b000598956382eebf89b
SHA2568a2b74bcba6802600d397d90e515d7370d92d477031373b3600d04cb303ef02c
SHA512dec7bed64de4419e796557c16a63a885ba64c834bf2ddfd63fa68f3f6fb7ba7c558ee6aa7ef4adf8ca7448b69682f3e68035ebf00d02b7d7360baf4524cca692