Analysis
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max time kernel
149s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-09-2024 00:27
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
3bf934f4485ae08c5773b3ba8c995224e7fe99ff6b70f5847abdf344dc89dc7cN.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
3bf934f4485ae08c5773b3ba8c995224e7fe99ff6b70f5847abdf344dc89dc7cN.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
3bf934f4485ae08c5773b3ba8c995224e7fe99ff6b70f5847abdf344dc89dc7cN.exe
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Size
256KB
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MD5
e2905c410e8a6a8077de86a98424c630
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SHA1
cc076bf4cb7bfdebcc7c17194b22d74d89260cb7
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SHA256
3bf934f4485ae08c5773b3ba8c995224e7fe99ff6b70f5847abdf344dc89dc7c
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SHA512
27586dd017fa3a3b770a8249795beb2c2af13b951862df4d5006a0c678c71f89d8f35ebca4967eef7ab0783f6d0ab72311d4ba2b6c5ea6ee130d9e8e0dfb23bd
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SSDEEP
6144:CfgNPlptNvl9fm0UBFsqMabeYiUDogpF:CW9n9lJvaFsqMvq
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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 3bf934f4485ae08c5773b3ba8c995224e7fe99ff6b70f5847abdf344dc89dc7cN.exe Set value (int) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" muvoc.exe -
Executes dropped EXE 1 IoCs
pid Process 2612 muvoc.exe -
Loads dropped DLL 2 IoCs
pid Process 2992 3bf934f4485ae08c5773b3ba8c995224e7fe99ff6b70f5847abdf344dc89dc7cN.exe 2992 3bf934f4485ae08c5773b3ba8c995224e7fe99ff6b70f5847abdf344dc89dc7cN.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /h" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /s" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /Z" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /D" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /Q" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /n" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /C" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /P" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /O" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /S" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /Y" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /U" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /I" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /B" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /E" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /A" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /a" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /z" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /k" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /b" 3bf934f4485ae08c5773b3ba8c995224e7fe99ff6b70f5847abdf344dc89dc7cN.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /r" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /W" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /G" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /p" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /e" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /N" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /F" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /u" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /d" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /H" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /y" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /L" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /o" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /i" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /t" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /j" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /w" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /l" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /v" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /c" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /V" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /f" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /b" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /X" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /K" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /q" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /J" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /m" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /T" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /M" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /R" muvoc.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvoc = "C:\\Users\\Admin\\muvoc.exe /x" muvoc.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 3bf934f4485ae08c5773b3ba8c995224e7fe99ff6b70f5847abdf344dc89dc7cN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language muvoc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2992 3bf934f4485ae08c5773b3ba8c995224e7fe99ff6b70f5847abdf344dc89dc7cN.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe 2612 muvoc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2992 3bf934f4485ae08c5773b3ba8c995224e7fe99ff6b70f5847abdf344dc89dc7cN.exe 2612 muvoc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2992 wrote to memory of 2612 2992 3bf934f4485ae08c5773b3ba8c995224e7fe99ff6b70f5847abdf344dc89dc7cN.exe 30 PID 2992 wrote to memory of 2612 2992 3bf934f4485ae08c5773b3ba8c995224e7fe99ff6b70f5847abdf344dc89dc7cN.exe 30 PID 2992 wrote to memory of 2612 2992 3bf934f4485ae08c5773b3ba8c995224e7fe99ff6b70f5847abdf344dc89dc7cN.exe 30 PID 2992 wrote to memory of 2612 2992 3bf934f4485ae08c5773b3ba8c995224e7fe99ff6b70f5847abdf344dc89dc7cN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\3bf934f4485ae08c5773b3ba8c995224e7fe99ff6b70f5847abdf344dc89dc7cN.exe"C:\Users\Admin\AppData\Local\Temp\3bf934f4485ae08c5773b3ba8c995224e7fe99ff6b70f5847abdf344dc89dc7cN.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:2992 -
C:\Users\Admin\muvoc.exe"C:\Users\Admin\muvoc.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:2612
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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
256KB
MD5680b9c9e4e0b633d37a6f9f8bf28294d
SHA15eca6854931781b8dabfdfacfef8f4f4713a13d8
SHA25679b0795f3944dccd411469098f5f6d591aaf99f900c0a6e606dd5502705e172d
SHA5121e9613ea7b8a31fd13444f859a65e24c4251e27ee739b2d806b9c7980052ec98f7051dec32488737e73d1aee6e67ce5fadd0c5c330a3bced3984786204320c66