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Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21/08/2024, 13:21
Static task
static1
Behavioral task
behavioral1
Sample
b39e033622a4064150079af0f0a2f6e7_JaffaCakes118.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
b39e033622a4064150079af0f0a2f6e7_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
b39e033622a4064150079af0f0a2f6e7_JaffaCakes118.exe
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Size
200KB
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MD5
b39e033622a4064150079af0f0a2f6e7
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SHA1
d78e5abb26570595992e9e947a600ad4f57c8fa1
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SHA256
419846e9b68e55915ca25b8a6b95a20b39aaf67b4788c357a96f534903a1b7e3
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SHA512
0a19fca436159e59e25aa36811f57294ee1a4ca090ac7ab63619798c9d556e1f398cd83b2c43979be4e6044d69213c94808da3a9d049cffc0ee5c90223b64d8f
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SSDEEP
3072:kCtTo/0Yxq0tQ9nLHbB9WPliBs2HWWEakGJm9uq+:kCwo4QxL7B9WPli+yWWEazNj
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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" byzeol.exe Set value (int) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b39e033622a4064150079af0f0a2f6e7_JaffaCakes118.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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation b39e033622a4064150079af0f0a2f6e7_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 364 byzeol.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /q" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /h" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /g" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /v" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /x" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /a" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /w" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /s" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /i" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /o" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /t" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /u" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /m" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /f" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /k" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /l" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /z" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /b" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /p" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /n" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /d" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /c" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /e" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /b" b39e033622a4064150079af0f0a2f6e7_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /r" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /y" byzeol.exe Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\byzeol = "C:\\Users\\Admin\\byzeol.exe /j" byzeol.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 byzeol.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b39e033622a4064150079af0f0a2f6e7_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3724 b39e033622a4064150079af0f0a2f6e7_JaffaCakes118.exe 3724 b39e033622a4064150079af0f0a2f6e7_JaffaCakes118.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe 364 byzeol.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3724 b39e033622a4064150079af0f0a2f6e7_JaffaCakes118.exe 364 byzeol.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3724 wrote to memory of 364 3724 b39e033622a4064150079af0f0a2f6e7_JaffaCakes118.exe 90 PID 3724 wrote to memory of 364 3724 b39e033622a4064150079af0f0a2f6e7_JaffaCakes118.exe 90 PID 3724 wrote to memory of 364 3724 b39e033622a4064150079af0f0a2f6e7_JaffaCakes118.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\b39e033622a4064150079af0f0a2f6e7_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b39e033622a4064150079af0f0a2f6e7_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:3724 -
C:\Users\Admin\byzeol.exe"C:\Users\Admin\byzeol.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:364
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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
200KB
MD5dc73e174cfbad5f4f5e79809ecb0d003
SHA16372b2051c6082ff3f7655bcd7855d21f0a32776
SHA2564111ebc7cd81c58298f8955a0a2731d3113f9dbc078494e077cd916932748d89
SHA5120085aa488a9e6cdc1b83486d41aa71449219fa121030cb03c57f31a590e62acb7844767313a112261cd5d864f8f62da01e854c31076496610817a975f4b8d5da