Analysis
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max time kernel
152s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2022, 20:11
Static task
static1
Behavioral task
behavioral1
Sample
f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0.exe
Resource
win10v2004-20220812-en
General
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Target
f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0.exe
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Size
232KB
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MD5
8373d81882668d99d5e3bc3ff96bd1de
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SHA1
2fb985bd7502482bca3af16181d673eafe2e87b3
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SHA256
f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0
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SHA512
7b3a7d0b51a985962fe7ed561c06cd73cef09c08512745eca88713a1ee92a9ee378eed39040fc2bfe726520085337af287cb578b47649f97cc477466fdf984e3
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SSDEEP
3072:MpMeBcXYwN1Smm727IJCkvIwXX4Ph0ApMX3KKl+Hv/91I/2XplDtg:MpPBcXYwN1S327Y54Ph0TX1kd18CpI
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" muooc.exe -
Executes dropped EXE 1 IoCs
pid Process 376 muooc.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /n" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /Z" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /h" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /i" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /W" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /t" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /M" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /Q" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /T" f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /u" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /I" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /x" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /b" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /a" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /H" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /d" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /z" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /g" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /N" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /S" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /v" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /R" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /F" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /K" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /m" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /p" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /C" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /A" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /E" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /L" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /B" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /O" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /U" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /o" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /e" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /G" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /V" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /c" muooc.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /j" muooc.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /k" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /J" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /P" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /r" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /y" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /l" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /q" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /D" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /T" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /f" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /s" muooc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muooc = "C:\\Users\\Admin\\muooc.exe /w" muooc.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 2064 f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0.exe 2064 f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe 376 muooc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2064 f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0.exe 376 muooc.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2064 wrote to memory of 376 2064 f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0.exe 80 PID 2064 wrote to memory of 376 2064 f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0.exe 80 PID 2064 wrote to memory of 376 2064 f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0.exe"C:\Users\Admin\AppData\Local\Temp\f1a930a677467751ae35f3f05a54d67ceef6c734b6f449e5ab3093c24c8d34a0.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:2064 -
C:\Users\Admin\muooc.exe"C:\Users\Admin\muooc.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:376
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
232KB
MD57c65929ff88a7acc6309f369382b657f
SHA175c7a2245f4a8525fe233370ebf22ae4ecbed93c
SHA2560ec8bfd27677176deb1a26e9a90d17715380df80ccf1529f8861bc165b34041a
SHA512ac2f3d5fbd8335b7cd7513871d9cbf37e9ee0142c8216ca7c4aa52487056fb86a71c63cd7ad644bc51573e087710e03c9d283a710844697887f9fd43be9f34c2
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Filesize
232KB
MD57c65929ff88a7acc6309f369382b657f
SHA175c7a2245f4a8525fe233370ebf22ae4ecbed93c
SHA2560ec8bfd27677176deb1a26e9a90d17715380df80ccf1529f8861bc165b34041a
SHA512ac2f3d5fbd8335b7cd7513871d9cbf37e9ee0142c8216ca7c4aa52487056fb86a71c63cd7ad644bc51573e087710e03c9d283a710844697887f9fd43be9f34c2