Analysis
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max time kernel
155s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/12/2022, 20:13
Static task
static1
Behavioral task
behavioral1
Sample
9dbed43ccbd744ac9e2992bf7418bd4aafd65c35169de4fbdb095995c806359f.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
9dbed43ccbd744ac9e2992bf7418bd4aafd65c35169de4fbdb095995c806359f.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
9dbed43ccbd744ac9e2992bf7418bd4aafd65c35169de4fbdb095995c806359f.exe
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Size
148KB
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MD5
0420f1daa703c62ee88c7bf6cf0d3ef8
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SHA1
35d82b4c289669a6a989c22fc33e0ae003275217
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SHA256
9dbed43ccbd744ac9e2992bf7418bd4aafd65c35169de4fbdb095995c806359f
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SHA512
ae1b24a002820ad490b46162ac7528484ff14144a098c80035aac2b9536ea035ca27737cc827c0a1904168a654dd105881f3334a64831b5f2e2044397162e282
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SSDEEP
3072:gdo+MgRs59j/pvkqBBac+RAGq1bg7Yfgst6OzOS79pgRZkhQJAOA9FE5j4oQtn:Ooxbj/pvkqBBac+RAGq1bZHtrzOS77k6
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 9dbed43ccbd744ac9e2992bf7418bd4aafd65c35169de4fbdb095995c806359f.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" muute.exe -
Executes dropped EXE 1 IoCs
pid Process 4988 muute.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 9dbed43ccbd744ac9e2992bf7418bd4aafd65c35169de4fbdb095995c806359f.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /r" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /h" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /p" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /l" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /E" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /J" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /n" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /s" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /K" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /H" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /c" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /G" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /x" muute.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 9dbed43ccbd744ac9e2992bf7418bd4aafd65c35169de4fbdb095995c806359f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /i" 9dbed43ccbd744ac9e2992bf7418bd4aafd65c35169de4fbdb095995c806359f.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /q" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /f" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /z" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /F" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /M" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /Y" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /e" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /t" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /W" muute.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /m" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /D" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /R" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /L" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /w" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /N" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /u" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /g" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /i" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /P" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /o" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /T" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /Z" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /Q" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /V" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /U" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /k" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /d" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /b" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /X" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /v" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /a" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /B" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /y" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /I" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /S" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /C" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /j" muute.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muute = "C:\\Users\\Admin\\muute.exe /O" muute.exe -
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 1200 9dbed43ccbd744ac9e2992bf7418bd4aafd65c35169de4fbdb095995c806359f.exe 1200 9dbed43ccbd744ac9e2992bf7418bd4aafd65c35169de4fbdb095995c806359f.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe 4988 muute.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1200 9dbed43ccbd744ac9e2992bf7418bd4aafd65c35169de4fbdb095995c806359f.exe 4988 muute.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1200 wrote to memory of 4988 1200 9dbed43ccbd744ac9e2992bf7418bd4aafd65c35169de4fbdb095995c806359f.exe 78 PID 1200 wrote to memory of 4988 1200 9dbed43ccbd744ac9e2992bf7418bd4aafd65c35169de4fbdb095995c806359f.exe 78 PID 1200 wrote to memory of 4988 1200 9dbed43ccbd744ac9e2992bf7418bd4aafd65c35169de4fbdb095995c806359f.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\9dbed43ccbd744ac9e2992bf7418bd4aafd65c35169de4fbdb095995c806359f.exe"C:\Users\Admin\AppData\Local\Temp\9dbed43ccbd744ac9e2992bf7418bd4aafd65c35169de4fbdb095995c806359f.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1200 -
C:\Users\Admin\muute.exe"C:\Users\Admin\muute.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4988
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
148KB
MD58fd0148f0c90a14f41f9ab40abb6757c
SHA1c0e207643f97f0fe552900366da65b6ecfc8f14b
SHA256696011e08bc2af8a78ba015284ca76e9b1cb966cf49dc6e5bf437da9e79b06bc
SHA512ca0c6bd9efe962c6f08d5d38a98b8fa5054ba93c6d37a2f5da4d1bbf991c7bebe6eb308768f99c52a468d8790cb1c5c3493ae6a46bc5464b7316ff6b0b463c0d
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Filesize
148KB
MD58fd0148f0c90a14f41f9ab40abb6757c
SHA1c0e207643f97f0fe552900366da65b6ecfc8f14b
SHA256696011e08bc2af8a78ba015284ca76e9b1cb966cf49dc6e5bf437da9e79b06bc
SHA512ca0c6bd9efe962c6f08d5d38a98b8fa5054ba93c6d37a2f5da4d1bbf991c7bebe6eb308768f99c52a468d8790cb1c5c3493ae6a46bc5464b7316ff6b0b463c0d