Analysis
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max time kernel
152s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2022, 23:18
Static task
static1
Behavioral task
behavioral1
Sample
96c8d7e4a4763a3973e2bad1fb4252d399e0652b53e61d62066b25d5990601ff.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
96c8d7e4a4763a3973e2bad1fb4252d399e0652b53e61d62066b25d5990601ff.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
96c8d7e4a4763a3973e2bad1fb4252d399e0652b53e61d62066b25d5990601ff.exe
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Size
248KB
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MD5
2c5a6d9893bbc4ff945ee68ef39b05d4
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SHA1
cb8585849b5a4e868e214b22ea9ce83518f3fa9a
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SHA256
96c8d7e4a4763a3973e2bad1fb4252d399e0652b53e61d62066b25d5990601ff
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SHA512
052a86d2c77c753fd89510ef9ef30e0feee6ea44eefde89a7299f74b87136f30b04e275ec19a5589b5b5d565696dbb20958da89652cff5e602795aadfb7b3bc8
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SSDEEP
6144:T+UVQ+pyyUf9dgAVRKlqBiErIsKnPmb7/jWal+FfAje+5/RxoOsutOSD/uP39RWU:T+9yUf9DRKlqgErIsKnPmb7/jWa1e+5T
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 96c8d7e4a4763a3973e2bad1fb4252d399e0652b53e61d62066b25d5990601ff.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" mfyev.exe -
Executes dropped EXE 1 IoCs
pid Process 2356 mfyev.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 96c8d7e4a4763a3973e2bad1fb4252d399e0652b53e61d62066b25d5990601ff.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /q" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /D" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /L" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /U" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /Z" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /i" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /r" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /t" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /b" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /f" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /w" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /d" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /h" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /n" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /S" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /s" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /G" mfyev.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /j" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /M" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /W" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /g" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /p" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /E" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /y" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /v" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /o" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /F" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /T" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /O" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /R" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /e" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /H" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /m" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /z" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /j" 96c8d7e4a4763a3973e2bad1fb4252d399e0652b53e61d62066b25d5990601ff.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /u" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /K" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /x" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /A" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /B" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /a" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /C" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /P" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /c" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /I" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /Y" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /X" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /J" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /V" mfyev.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 96c8d7e4a4763a3973e2bad1fb4252d399e0652b53e61d62066b25d5990601ff.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /N" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /k" mfyev.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mfyev = "C:\\Users\\Admin\\mfyev.exe /Q" mfyev.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 2912 96c8d7e4a4763a3973e2bad1fb4252d399e0652b53e61d62066b25d5990601ff.exe 2912 96c8d7e4a4763a3973e2bad1fb4252d399e0652b53e61d62066b25d5990601ff.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe 2356 mfyev.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2912 96c8d7e4a4763a3973e2bad1fb4252d399e0652b53e61d62066b25d5990601ff.exe 2356 mfyev.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2912 wrote to memory of 2356 2912 96c8d7e4a4763a3973e2bad1fb4252d399e0652b53e61d62066b25d5990601ff.exe 80 PID 2912 wrote to memory of 2356 2912 96c8d7e4a4763a3973e2bad1fb4252d399e0652b53e61d62066b25d5990601ff.exe 80 PID 2912 wrote to memory of 2356 2912 96c8d7e4a4763a3973e2bad1fb4252d399e0652b53e61d62066b25d5990601ff.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\96c8d7e4a4763a3973e2bad1fb4252d399e0652b53e61d62066b25d5990601ff.exe"C:\Users\Admin\AppData\Local\Temp\96c8d7e4a4763a3973e2bad1fb4252d399e0652b53e61d62066b25d5990601ff.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:2912 -
C:\Users\Admin\mfyev.exe"C:\Users\Admin\mfyev.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:2356
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
248KB
MD5097fd960dd3fe4ca084d9399bce2affb
SHA18cde25df272629365dd851ae48df306bb9083546
SHA25600726427c363d21f1b7c948919281b54985ea88db58481ab5bc85d5beec67651
SHA51226589366fa5270edbdac18175982e75e37fca1e00d19de83716fa7c4162cdd6b9a39740b2de395a92422037af771f72254812ed4dfcee694b9e00fd7f5c0a875
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Filesize
248KB
MD5097fd960dd3fe4ca084d9399bce2affb
SHA18cde25df272629365dd851ae48df306bb9083546
SHA25600726427c363d21f1b7c948919281b54985ea88db58481ab5bc85d5beec67651
SHA51226589366fa5270edbdac18175982e75e37fca1e00d19de83716fa7c4162cdd6b9a39740b2de395a92422037af771f72254812ed4dfcee694b9e00fd7f5c0a875