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Analysis
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max time kernel
190s -
max time network
193s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
07/12/2022, 02:58
Static task
static1
Behavioral task
behavioral1
Sample
ed3c40d0dcc06136bba485331493470051766718655471eaadc64f5364a54894.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ed3c40d0dcc06136bba485331493470051766718655471eaadc64f5364a54894.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
ed3c40d0dcc06136bba485331493470051766718655471eaadc64f5364a54894.exe
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Size
148KB
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MD5
0c38fc067ca19c736bb25616aa4730c0
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SHA1
c792a547080534b48df3bcf258773b8226e0974c
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SHA256
ed3c40d0dcc06136bba485331493470051766718655471eaadc64f5364a54894
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SHA512
e9ad27794cced3b02483a448f556b9203698bcba63c85a5232957fa87ee72b3cc8ae88a71166a36cc5540ff41eedb6fcfdd923fbc78f20be7c0aabc82bedabba
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SSDEEP
3072:/iF3Qh4mRpDGq7At/yRWr2wA36nbMUq8hFOdhIk4oQZiET00/:KFgh96F90Wf7nJPwdzWN0w
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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ed3c40d0dcc06136bba485331493470051766718655471eaadc64f5364a54894.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" zcmer.exe -
Executes dropped EXE 1 IoCs
pid Process 3828 zcmer.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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation ed3c40d0dcc06136bba485331493470051766718655471eaadc64f5364a54894.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /f" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /g" ed3c40d0dcc06136bba485331493470051766718655471eaadc64f5364a54894.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /D" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /G" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /O" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /u" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /F" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /C" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /n" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /L" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /v" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /M" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /X" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /y" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /R" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /Z" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /h" zcmer.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /K" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /o" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /E" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /I" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /S" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /c" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /H" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /l" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /W" zcmer.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ed3c40d0dcc06136bba485331493470051766718655471eaadc64f5364a54894.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /N" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /g" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /d" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /b" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /T" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /r" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /i" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /V" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /k" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /p" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /J" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /w" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /x" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /U" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /e" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /q" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /s" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /A" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /Y" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /t" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /m" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /a" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /Q" zcmer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zcmer = "C:\\Users\\Admin\\zcmer.exe /B" zcmer.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 4520 ed3c40d0dcc06136bba485331493470051766718655471eaadc64f5364a54894.exe 4520 ed3c40d0dcc06136bba485331493470051766718655471eaadc64f5364a54894.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe 3828 zcmer.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4520 ed3c40d0dcc06136bba485331493470051766718655471eaadc64f5364a54894.exe 3828 zcmer.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4520 wrote to memory of 3828 4520 ed3c40d0dcc06136bba485331493470051766718655471eaadc64f5364a54894.exe 84 PID 4520 wrote to memory of 3828 4520 ed3c40d0dcc06136bba485331493470051766718655471eaadc64f5364a54894.exe 84 PID 4520 wrote to memory of 3828 4520 ed3c40d0dcc06136bba485331493470051766718655471eaadc64f5364a54894.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\ed3c40d0dcc06136bba485331493470051766718655471eaadc64f5364a54894.exe"C:\Users\Admin\AppData\Local\Temp\ed3c40d0dcc06136bba485331493470051766718655471eaadc64f5364a54894.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:4520 -
C:\Users\Admin\zcmer.exe"C:\Users\Admin\zcmer.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:3828
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
148KB
MD52b4f7cf171be4808a4cae685558aab9e
SHA1bf22e3dbe529790cc9a60ee008b5cd3bee77d7df
SHA256b055654e12923703f87ba4e6c135986989f630478048cf4750ee12f62a4b16cf
SHA5121bb2cd221fe1cc87f2243c471f71bae70e7753c5bf0f44a62ecf4b3e01c41257b8f3cbbde95c19736330ea320d2dd7a98663f72f186a3d6f05d0acc726a64647
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Filesize
148KB
MD52b4f7cf171be4808a4cae685558aab9e
SHA1bf22e3dbe529790cc9a60ee008b5cd3bee77d7df
SHA256b055654e12923703f87ba4e6c135986989f630478048cf4750ee12f62a4b16cf
SHA5121bb2cd221fe1cc87f2243c471f71bae70e7753c5bf0f44a62ecf4b3e01c41257b8f3cbbde95c19736330ea320d2dd7a98663f72f186a3d6f05d0acc726a64647