Analysis
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max time kernel
151s -
max time network
42s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30/10/2022, 00:08
Static task
static1
Behavioral task
behavioral1
Sample
04f42a483d6333d8d2eb91d07086ec6e39adf44336ab399234ffae8a48f554eb.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
04f42a483d6333d8d2eb91d07086ec6e39adf44336ab399234ffae8a48f554eb.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
04f42a483d6333d8d2eb91d07086ec6e39adf44336ab399234ffae8a48f554eb.exe
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Size
232KB
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MD5
a2e57c7b925ecbabe9e88e5a79acdec7
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SHA1
a306bfe3fcaea2f5810a2f5d101127c50a0c7b85
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SHA256
04f42a483d6333d8d2eb91d07086ec6e39adf44336ab399234ffae8a48f554eb
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SHA512
7738ba30b166db3c379d8d112aab018593efd05dd4a30685c60e857efa56ce7e3cf2934a7bb672f675f8cb3939903ea7899acbcc7608897da4dd4bddd4bdd770
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SSDEEP
6144:GK3PFKs7STL6eEqxF6snji81RUinKn3Kt+dNFcSG:pPhPDFc/
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" 04f42a483d6333d8d2eb91d07086ec6e39adf44336ab399234ffae8a48f554eb.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wevak.exe -
Executes dropped EXE 1 IoCs
pid Process 1352 wevak.exe -
Loads dropped DLL 2 IoCs
pid Process 1976 04f42a483d6333d8d2eb91d07086ec6e39adf44336ab399234ffae8a48f554eb.exe 1976 04f42a483d6333d8d2eb91d07086ec6e39adf44336ab399234ffae8a48f554eb.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\wevak = "C:\\Users\\Admin\\wevak.exe /a" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /p" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /z" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /k" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /l" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /e" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /b" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /f" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /h" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /g" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /m" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /x" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /q" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /c" wevak.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /t" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /s" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /i" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /y" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /r" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /n" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /w" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /o" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /u" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /d" wevak.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /j" wevak.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 04f42a483d6333d8d2eb91d07086ec6e39adf44336ab399234ffae8a48f554eb.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /o" 04f42a483d6333d8d2eb91d07086ec6e39adf44336ab399234ffae8a48f554eb.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\wevak = "C:\\Users\\Admin\\wevak.exe /v" wevak.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 1976 04f42a483d6333d8d2eb91d07086ec6e39adf44336ab399234ffae8a48f554eb.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe 1352 wevak.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1976 04f42a483d6333d8d2eb91d07086ec6e39adf44336ab399234ffae8a48f554eb.exe 1352 wevak.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1976 wrote to memory of 1352 1976 04f42a483d6333d8d2eb91d07086ec6e39adf44336ab399234ffae8a48f554eb.exe 26 PID 1976 wrote to memory of 1352 1976 04f42a483d6333d8d2eb91d07086ec6e39adf44336ab399234ffae8a48f554eb.exe 26 PID 1976 wrote to memory of 1352 1976 04f42a483d6333d8d2eb91d07086ec6e39adf44336ab399234ffae8a48f554eb.exe 26 PID 1976 wrote to memory of 1352 1976 04f42a483d6333d8d2eb91d07086ec6e39adf44336ab399234ffae8a48f554eb.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\04f42a483d6333d8d2eb91d07086ec6e39adf44336ab399234ffae8a48f554eb.exe"C:\Users\Admin\AppData\Local\Temp\04f42a483d6333d8d2eb91d07086ec6e39adf44336ab399234ffae8a48f554eb.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:1976 -
C:\Users\Admin\wevak.exe"C:\Users\Admin\wevak.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:1352
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
232KB
MD5152d548ac2313aef0b51369b9db91003
SHA1014b823a1b5e96e7fda629aabd3eafae06757f8c
SHA2563256d4b38a700e6cf82013aaa29ccb376437ff223adbb1b5e0056ac5faaa37a0
SHA51226120b27d8db17bd2783262b4de021d20ece2f69217465d75c74c31dde5aec24f580bd057363cba61329ae1189d66f61ece19a6805886ab7d839fa9adc9ca156
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Filesize
232KB
MD5152d548ac2313aef0b51369b9db91003
SHA1014b823a1b5e96e7fda629aabd3eafae06757f8c
SHA2563256d4b38a700e6cf82013aaa29ccb376437ff223adbb1b5e0056ac5faaa37a0
SHA51226120b27d8db17bd2783262b4de021d20ece2f69217465d75c74c31dde5aec24f580bd057363cba61329ae1189d66f61ece19a6805886ab7d839fa9adc9ca156
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Filesize
232KB
MD5152d548ac2313aef0b51369b9db91003
SHA1014b823a1b5e96e7fda629aabd3eafae06757f8c
SHA2563256d4b38a700e6cf82013aaa29ccb376437ff223adbb1b5e0056ac5faaa37a0
SHA51226120b27d8db17bd2783262b4de021d20ece2f69217465d75c74c31dde5aec24f580bd057363cba61329ae1189d66f61ece19a6805886ab7d839fa9adc9ca156
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Filesize
232KB
MD5152d548ac2313aef0b51369b9db91003
SHA1014b823a1b5e96e7fda629aabd3eafae06757f8c
SHA2563256d4b38a700e6cf82013aaa29ccb376437ff223adbb1b5e0056ac5faaa37a0
SHA51226120b27d8db17bd2783262b4de021d20ece2f69217465d75c74c31dde5aec24f580bd057363cba61329ae1189d66f61ece19a6805886ab7d839fa9adc9ca156