Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
24-08-2024 01:59
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
bdca8977582458fd764a016fd6d3a1a1_JaffaCakes118.exe
Resource
win7-20240705-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
bdca8977582458fd764a016fd6d3a1a1_JaffaCakes118.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
bdca8977582458fd764a016fd6d3a1a1_JaffaCakes118.exe
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Size
100KB
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MD5
bdca8977582458fd764a016fd6d3a1a1
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SHA1
fcef6cdf1a64654e170508e19503ba3a8f806778
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SHA256
606ee2986201bf9d2ef1d2886e2f253f5259b205ecc47011984f66841242c864
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SHA512
5af7b8f62f92e723707905041ffb7c8b7ac152f6471c50ff5c64f76d7796c16fd6c81a49b21e8819b22b64143e8aa56cd54ff783da62a6bad348db4406b44cbd
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SSDEEP
1536:HQWlcX220mQjxJKIRGWcOUP7vXArnY1ZqAefzyesqNIjni:wRQiNAfzyeBCni
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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bdca8977582458fd764a016fd6d3a1a1_JaffaCakes118.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" seiok.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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation bdca8977582458fd764a016fd6d3a1a1_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 5104 seiok.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /G" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /j" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /O" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /x" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /m" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /Q" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /T" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /f" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /M" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /E" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /g" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /b" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /P" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /B" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /n" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /l" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /U" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /L" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /K" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /H" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /q" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /s" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /D" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /N" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /I" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /h" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /u" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /w" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /a" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /p" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /A" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /R" bdca8977582458fd764a016fd6d3a1a1_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /z" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /S" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /Y" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /Z" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /y" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /C" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /R" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /J" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /t" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /c" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /X" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /F" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /r" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /e" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /i" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /o" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /W" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /d" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /v" seiok.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\seiok = "C:\\Users\\Admin\\seiok.exe /k" seiok.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 seiok.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bdca8977582458fd764a016fd6d3a1a1_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4664 bdca8977582458fd764a016fd6d3a1a1_JaffaCakes118.exe 4664 bdca8977582458fd764a016fd6d3a1a1_JaffaCakes118.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe 5104 seiok.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4664 bdca8977582458fd764a016fd6d3a1a1_JaffaCakes118.exe 5104 seiok.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4664 wrote to memory of 5104 4664 bdca8977582458fd764a016fd6d3a1a1_JaffaCakes118.exe 88 PID 4664 wrote to memory of 5104 4664 bdca8977582458fd764a016fd6d3a1a1_JaffaCakes118.exe 88 PID 4664 wrote to memory of 5104 4664 bdca8977582458fd764a016fd6d3a1a1_JaffaCakes118.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\bdca8977582458fd764a016fd6d3a1a1_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bdca8977582458fd764a016fd6d3a1a1_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:4664 -
C:\Users\Admin\seiok.exe"C:\Users\Admin\seiok.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:5104
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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
100KB
MD50b6c42d8bafcb53b939b94bdf5ea3b98
SHA1c3c0df7dc828d1c315a60059d565feb9f7653abc
SHA2561d15dcd6e24091d592c371b925ee2a93d388ba2e266712cf788ffef3aee6936c
SHA512b4e348f97302189be815d572bcf4145afb7ed5f8ec2ad953797389979a0b858915a1fa6c5d01d674485cd6adc5e13f7304aa7c6efb245f546bbd6867bd0c2a91