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Analysis
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max time kernel
119s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
01/10/2024, 00:47
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.exe
Resource
win7-20240704-en
windows7-x64
9 signatures
120 seconds
Behavioral task
behavioral2
Sample
9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
120 seconds
General
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Target
9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.exe
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Size
124KB
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MD5
f6bbf3bc488b528e5a9dc4cf1377fa00
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SHA1
6a0fbc3cced9e61ae8765a0ed7b44723915be791
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SHA256
9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68
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SHA512
cdf9e3cd2c674f7c5e1f1702be3468bdef3da527631be9cb361034cf2a2872672ab86b9f8ced22995ef49c7caa297885081048e10d366d9bf79dc3ae5d249cfb
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SSDEEP
1536:/ebuEFBx+/67NxkiQixA+alh98r8Y9USv1jyHwo7JaS4:GbuEFT+/67gjH8ri8KwQq
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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.exe Set value (int) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" fsvoc.exe -
Executes dropped EXE 1 IoCs
pid Process 2428 fsvoc.exe -
Loads dropped DLL 2 IoCs
pid Process 2516 9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.exe 2516 9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.exe -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /m" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /s" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /j" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /J" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /q" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /H" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /i" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /S" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /L" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /M" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /c" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /y" 9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /k" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /v" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /y" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /a" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /D" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /U" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /w" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /d" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /r" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /p" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /t" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /Z" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /o" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /x" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /l" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /P" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /R" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /F" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /K" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /B" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /u" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /f" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /e" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /A" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /N" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /E" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /n" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /O" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /W" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /h" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /V" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /I" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /g" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /C" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /G" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /X" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /z" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /Y" fsvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\fsvoc = "C:\\Users\\Admin\\fsvoc.exe /T" fsvoc.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 9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fsvoc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2516 9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe 2428 fsvoc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2516 9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.exe 2428 fsvoc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2516 wrote to memory of 2428 2516 9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.exe 30 PID 2516 wrote to memory of 2428 2516 9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.exe 30 PID 2516 wrote to memory of 2428 2516 9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.exe 30 PID 2516 wrote to memory of 2428 2516 9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.exe"C:\Users\Admin\AppData\Local\Temp\9543b8f415127162b0ca81a60b23dde0a20a9f0e8114fad36ee8b0d0fa474a68N.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:2516 -
C:\Users\Admin\fsvoc.exe"C:\Users\Admin\fsvoc.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:2428
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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
MD5052260632ff14b0898f4789a08c2e3dd
SHA135d68a0655ef3928c6d71b803a0f1f1491f6888e
SHA256b5d7d1ea785ffdb6b2f8a4f0f8273d6a05a9cb323eb60695231f43ce45a9ddaf
SHA5129cec812ba8f62c0419ac33db24f91c845d1ac842c2ad03d6b1be13473687d0eef698ac4fb942ea04690325856dd5386b66e6577e97e9d39b8899f7d36c19d921