Analysis
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max time kernel
151s -
max time network
56s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03/10/2022, 02:38
Static task
static1
Behavioral task
behavioral1
Sample
ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6.exe
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Size
272KB
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MD5
4c0b47bdff5095e28944ad24115531d0
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SHA1
38583504090200e59a9a81b95543fe1a46946005
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SHA256
ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6
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SHA512
4be3e9b23a3e7124b71483da0af7b61b5865b608f79f28ed0b61c453848006c6c07118c394bf40de104502e59bf0cf22020036afc1a4d33f46d2715c7af21415
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SSDEEP
3072:8479gmss0FvbVJznCRcz/hVFA9MSs/PLLj+Qm4U3YwgTeA3At:divbfznH7O9G/PLLxU3YwgT
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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" youaxoj.exe -
Executes dropped EXE 1 IoCs
pid Process 1988 youaxoj.exe -
Loads dropped DLL 2 IoCs
pid Process 784 ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6.exe 784 ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /h" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /k" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /l" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /s" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /r" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /g" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /m" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /p" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /t" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /j" youaxoj.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /v" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /w" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /d" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /b" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /e" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /i" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /a" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /f" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /n" ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /y" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /o" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /x" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /n" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /c" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /q" youaxoj.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /u" youaxoj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\youaxoj = "C:\\Users\\Admin\\youaxoj.exe /z" youaxoj.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 784 ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe 1988 youaxoj.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 784 ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6.exe 1988 youaxoj.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 784 wrote to memory of 1988 784 ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6.exe 26 PID 784 wrote to memory of 1988 784 ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6.exe 26 PID 784 wrote to memory of 1988 784 ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6.exe 26 PID 784 wrote to memory of 1988 784 ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6.exe"C:\Users\Admin\AppData\Local\Temp\ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:784 -
C:\Users\Admin\youaxoj.exe"C:\Users\Admin\youaxoj.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:1988
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
272KB
MD54c0b47bdff5095e28944ad24115531d0
SHA138583504090200e59a9a81b95543fe1a46946005
SHA256ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6
SHA5124be3e9b23a3e7124b71483da0af7b61b5865b608f79f28ed0b61c453848006c6c07118c394bf40de104502e59bf0cf22020036afc1a4d33f46d2715c7af21415
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Filesize
272KB
MD54c0b47bdff5095e28944ad24115531d0
SHA138583504090200e59a9a81b95543fe1a46946005
SHA256ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6
SHA5124be3e9b23a3e7124b71483da0af7b61b5865b608f79f28ed0b61c453848006c6c07118c394bf40de104502e59bf0cf22020036afc1a4d33f46d2715c7af21415
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Filesize
272KB
MD54c0b47bdff5095e28944ad24115531d0
SHA138583504090200e59a9a81b95543fe1a46946005
SHA256ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6
SHA5124be3e9b23a3e7124b71483da0af7b61b5865b608f79f28ed0b61c453848006c6c07118c394bf40de104502e59bf0cf22020036afc1a4d33f46d2715c7af21415
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Filesize
272KB
MD54c0b47bdff5095e28944ad24115531d0
SHA138583504090200e59a9a81b95543fe1a46946005
SHA256ef64000007483228d0e5fc48da1325f34626c55b0630225ac5bdb2b9e0c3ece6
SHA5124be3e9b23a3e7124b71483da0af7b61b5865b608f79f28ed0b61c453848006c6c07118c394bf40de104502e59bf0cf22020036afc1a4d33f46d2715c7af21415