Analysis
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max time kernel
150s -
max time network
71s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
11/10/2022, 09:38
Static task
static1
Behavioral task
behavioral1
Sample
c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe
Resource
win7-20220901-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe
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Size
105KB
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MD5
460361937f3f63f107315d195eb38c56
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SHA1
0ece1f2c62d62bfbe127b588ef1bc26bd9afade9
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SHA256
c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a
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SHA512
a989d778d6d4dbdbb19b9a3fdc18888c859b4273856288d19fd10baaf8ce4a5b055e5ebe6afed287e670b4a129545ed47046577fdba93552adc3a5d96c0442dd
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SSDEEP
3072:Gz5s6DhjVs8sjwqwlLujC+52Xa5kxJQy8FN:Is2hMjw/coK5++z
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" beoce.exe -
Executes dropped EXE 2 IoCs
pid Process 1472 beoce.exe 1152 beoce.exe -
Loads dropped DLL 2 IoCs
pid Process 1056 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 1056 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /n" beoce.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /x" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /e" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /q" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /k" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /b" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /l" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /g" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /r" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /m" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /z" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /o" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /w" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /p" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /a" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /d" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /c" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /t" beoce.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /j" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /u" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /i" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /v" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /f" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /e" c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /h" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /y" beoce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\beoce = "C:\\Users\\Admin\\beoce.exe /s" beoce.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum beoce.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 beoce.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf beoce.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1200 set thread context of 1056 1200 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 27 PID 1472 set thread context of 1152 1472 beoce.exe 29 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1056 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe 1152 beoce.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1200 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 1056 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 1472 beoce.exe 1152 beoce.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1200 wrote to memory of 1056 1200 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 27 PID 1200 wrote to memory of 1056 1200 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 27 PID 1200 wrote to memory of 1056 1200 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 27 PID 1200 wrote to memory of 1056 1200 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 27 PID 1200 wrote to memory of 1056 1200 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 27 PID 1200 wrote to memory of 1056 1200 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 27 PID 1200 wrote to memory of 1056 1200 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 27 PID 1200 wrote to memory of 1056 1200 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 27 PID 1200 wrote to memory of 1056 1200 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 27 PID 1200 wrote to memory of 1056 1200 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 27 PID 1056 wrote to memory of 1472 1056 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 28 PID 1056 wrote to memory of 1472 1056 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 28 PID 1056 wrote to memory of 1472 1056 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 28 PID 1056 wrote to memory of 1472 1056 c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe 28 PID 1472 wrote to memory of 1152 1472 beoce.exe 29 PID 1472 wrote to memory of 1152 1472 beoce.exe 29 PID 1472 wrote to memory of 1152 1472 beoce.exe 29 PID 1472 wrote to memory of 1152 1472 beoce.exe 29 PID 1472 wrote to memory of 1152 1472 beoce.exe 29 PID 1472 wrote to memory of 1152 1472 beoce.exe 29 PID 1472 wrote to memory of 1152 1472 beoce.exe 29 PID 1472 wrote to memory of 1152 1472 beoce.exe 29 PID 1472 wrote to memory of 1152 1472 beoce.exe 29 PID 1472 wrote to memory of 1152 1472 beoce.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe"C:\Users\Admin\AppData\Local\Temp\c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1200 -
C:\Users\Admin\AppData\Local\Temp\c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a.exe742⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1056 -
C:\Users\Admin\beoce.exe"C:\Users\Admin\beoce.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1472 -
C:\Users\Admin\beoce.exe744⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1152
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
105KB
MD5460361937f3f63f107315d195eb38c56
SHA10ece1f2c62d62bfbe127b588ef1bc26bd9afade9
SHA256c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a
SHA512a989d778d6d4dbdbb19b9a3fdc18888c859b4273856288d19fd10baaf8ce4a5b055e5ebe6afed287e670b4a129545ed47046577fdba93552adc3a5d96c0442dd
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Filesize
105KB
MD5460361937f3f63f107315d195eb38c56
SHA10ece1f2c62d62bfbe127b588ef1bc26bd9afade9
SHA256c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a
SHA512a989d778d6d4dbdbb19b9a3fdc18888c859b4273856288d19fd10baaf8ce4a5b055e5ebe6afed287e670b4a129545ed47046577fdba93552adc3a5d96c0442dd
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Filesize
105KB
MD5460361937f3f63f107315d195eb38c56
SHA10ece1f2c62d62bfbe127b588ef1bc26bd9afade9
SHA256c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a
SHA512a989d778d6d4dbdbb19b9a3fdc18888c859b4273856288d19fd10baaf8ce4a5b055e5ebe6afed287e670b4a129545ed47046577fdba93552adc3a5d96c0442dd
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Filesize
105KB
MD5460361937f3f63f107315d195eb38c56
SHA10ece1f2c62d62bfbe127b588ef1bc26bd9afade9
SHA256c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a
SHA512a989d778d6d4dbdbb19b9a3fdc18888c859b4273856288d19fd10baaf8ce4a5b055e5ebe6afed287e670b4a129545ed47046577fdba93552adc3a5d96c0442dd
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Filesize
105KB
MD5460361937f3f63f107315d195eb38c56
SHA10ece1f2c62d62bfbe127b588ef1bc26bd9afade9
SHA256c353fb02fdb1b255bb240e8c0bb110ff1f2aa00cef7ddbf6c01191af7c87011a
SHA512a989d778d6d4dbdbb19b9a3fdc18888c859b4273856288d19fd10baaf8ce4a5b055e5ebe6afed287e670b4a129545ed47046577fdba93552adc3a5d96c0442dd