Analysis
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max time kernel
119s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19/09/2024, 03:13
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Worm.Win32.Vobfus.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
120 seconds
Behavioral task
behavioral2
Sample
Worm.Win32.Vobfus.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
120 seconds
General
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Target
Worm.Win32.Vobfus.exe
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Size
204KB
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MD5
96d9306823100a8371b7602112aa8dc0
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SHA1
cd04b8fe5db0c0d518bcae12ed02d2a3b30398a0
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SHA256
2f38f3e5ff93dda7b69a76c5851830e28882d8db55c9ceac4413734010dd1b0a
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SHA512
904c6d4c41cbc0bc7c282687e05f5248783a90f8b94fb968fc3e4577c48f79609b13070ea6c1092f707956cc18b9180bace348408230b7916454ce62788d9b3a
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SSDEEP
3072:8mHW8K0tQ9nLHbB9W0c1TqECzR/mkSYGrl9ymgYUWqh:n2N4QxL7B9W0c1RCzR/fSmlt
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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" Worm.Win32.Vobfus.exe Set value (int) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" roagoa.exe -
Executes dropped EXE 1 IoCs
pid Process 2296 roagoa.exe -
Loads dropped DLL 2 IoCs
pid Process 2124 Worm.Win32.Vobfus.exe 2124 Worm.Win32.Vobfus.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /u" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /z" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /s" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /k" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /i" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /p" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /f" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /j" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /e" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /d" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /h" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /r" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /t" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /x" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /w" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /l" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /y" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /c" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /q" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /v" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /n" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /m" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /g" Worm.Win32.Vobfus.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /o" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /a" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /b" roagoa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\roagoa = "C:\\Users\\Admin\\roagoa.exe /g" roagoa.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 Worm.Win32.Vobfus.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language roagoa.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2124 Worm.Win32.Vobfus.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe 2296 roagoa.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2124 Worm.Win32.Vobfus.exe 2296 roagoa.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2124 wrote to memory of 2296 2124 Worm.Win32.Vobfus.exe 28 PID 2124 wrote to memory of 2296 2124 Worm.Win32.Vobfus.exe 28 PID 2124 wrote to memory of 2296 2124 Worm.Win32.Vobfus.exe 28 PID 2124 wrote to memory of 2296 2124 Worm.Win32.Vobfus.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\Worm.Win32.Vobfus.exe"C:\Users\Admin\AppData\Local\Temp\Worm.Win32.Vobfus.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:2124 -
C:\Users\Admin\roagoa.exe"C:\Users\Admin\roagoa.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:2296
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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
204KB
MD55db50006aaafd5858737a541788e83a3
SHA10f45a79d7cee5375cce344aa109e967afd943567
SHA256d8c22cec6728a3493211423686bb10bb2975c89aca487334650fe83416b04a7b
SHA512006d74fc426c2ca8c4a2906f5a737397393fcc1318cf047a71309843b8c4c37e444299c12d70f457ac30fc4e601136415c194b9657827425d830ec13b5a41f14