Analysis
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max time kernel
151s -
max time network
41s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29/11/2022, 16:41
Static task
static1
Behavioral task
behavioral1
Sample
d195156acb79bdc9ffa4d8e35b8dd0c2fb3beebefcd6556d6f9b3182a091af6e.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d195156acb79bdc9ffa4d8e35b8dd0c2fb3beebefcd6556d6f9b3182a091af6e.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
d195156acb79bdc9ffa4d8e35b8dd0c2fb3beebefcd6556d6f9b3182a091af6e.exe
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Size
212KB
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MD5
8b1cd90f69293de5b51ba656dae3dfae
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SHA1
9aad8edc0e4c75109074364d0108b5167db3815f
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SHA256
d195156acb79bdc9ffa4d8e35b8dd0c2fb3beebefcd6556d6f9b3182a091af6e
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SHA512
9a75652471bb581d96d1771357dad2eaf97e907f918c5cdee0c778c26e5305f0420b0c261293aa2c1ee155238ff3f8a58041d5d7efa6a5dcf8aadd9003482fe3
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SSDEEP
1536:A9dH3UyOEGYfSt2wW4cd9Lv2PElgWRhHNoN274B/K51UtaHElfTczpqVar1/AgAb:mUxSSAzp+cHNoN2I0jASLc
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" d195156acb79bdc9ffa4d8e35b8dd0c2fb3beebefcd6556d6f9b3182a091af6e.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" muvit.exe -
Executes dropped EXE 1 IoCs
pid Process 1316 muvit.exe -
Loads dropped DLL 2 IoCs
pid Process 1928 d195156acb79bdc9ffa4d8e35b8dd0c2fb3beebefcd6556d6f9b3182a091af6e.exe 1928 d195156acb79bdc9ffa4d8e35b8dd0c2fb3beebefcd6556d6f9b3182a091af6e.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\muvit = "C:\\Users\\Admin\\muvit.exe /m" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /d" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /j" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /x" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /n" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /o" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /q" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /b" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /a" d195156acb79bdc9ffa4d8e35b8dd0c2fb3beebefcd6556d6f9b3182a091af6e.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /p" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /k" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /s" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /z" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /w" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /i" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /f" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /a" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /l" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /g" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /t" muvit.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d195156acb79bdc9ffa4d8e35b8dd0c2fb3beebefcd6556d6f9b3182a091af6e.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /e" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /y" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /c" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /u" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /h" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /r" muvit.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\muvit = "C:\\Users\\Admin\\muvit.exe /v" muvit.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 1928 d195156acb79bdc9ffa4d8e35b8dd0c2fb3beebefcd6556d6f9b3182a091af6e.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe 1316 muvit.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1928 d195156acb79bdc9ffa4d8e35b8dd0c2fb3beebefcd6556d6f9b3182a091af6e.exe 1316 muvit.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1928 wrote to memory of 1316 1928 d195156acb79bdc9ffa4d8e35b8dd0c2fb3beebefcd6556d6f9b3182a091af6e.exe 26 PID 1928 wrote to memory of 1316 1928 d195156acb79bdc9ffa4d8e35b8dd0c2fb3beebefcd6556d6f9b3182a091af6e.exe 26 PID 1928 wrote to memory of 1316 1928 d195156acb79bdc9ffa4d8e35b8dd0c2fb3beebefcd6556d6f9b3182a091af6e.exe 26 PID 1928 wrote to memory of 1316 1928 d195156acb79bdc9ffa4d8e35b8dd0c2fb3beebefcd6556d6f9b3182a091af6e.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\d195156acb79bdc9ffa4d8e35b8dd0c2fb3beebefcd6556d6f9b3182a091af6e.exe"C:\Users\Admin\AppData\Local\Temp\d195156acb79bdc9ffa4d8e35b8dd0c2fb3beebefcd6556d6f9b3182a091af6e.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:1928 -
C:\Users\Admin\muvit.exe"C:\Users\Admin\muvit.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:1316
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
212KB
MD57d5cf0c1d84b85c08655467ff1d74fd2
SHA178ff58a07f4f658e67487dbf4d88693ea47cb278
SHA2568ae037c8772fabe60200c1cd81012fab13e4ace5ed058a1da06fdc9581652c97
SHA512209d0cc6ebae6eccbada35e7e8333f8fa81f3a3349e11378c69c8b71c57cdef1002d80c8def42e56d568aa095cbe6b1aec31b1b92e5b3122514980cbfe293bc7
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Filesize
212KB
MD57d5cf0c1d84b85c08655467ff1d74fd2
SHA178ff58a07f4f658e67487dbf4d88693ea47cb278
SHA2568ae037c8772fabe60200c1cd81012fab13e4ace5ed058a1da06fdc9581652c97
SHA512209d0cc6ebae6eccbada35e7e8333f8fa81f3a3349e11378c69c8b71c57cdef1002d80c8def42e56d568aa095cbe6b1aec31b1b92e5b3122514980cbfe293bc7
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Filesize
212KB
MD57d5cf0c1d84b85c08655467ff1d74fd2
SHA178ff58a07f4f658e67487dbf4d88693ea47cb278
SHA2568ae037c8772fabe60200c1cd81012fab13e4ace5ed058a1da06fdc9581652c97
SHA512209d0cc6ebae6eccbada35e7e8333f8fa81f3a3349e11378c69c8b71c57cdef1002d80c8def42e56d568aa095cbe6b1aec31b1b92e5b3122514980cbfe293bc7
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Filesize
212KB
MD57d5cf0c1d84b85c08655467ff1d74fd2
SHA178ff58a07f4f658e67487dbf4d88693ea47cb278
SHA2568ae037c8772fabe60200c1cd81012fab13e4ace5ed058a1da06fdc9581652c97
SHA512209d0cc6ebae6eccbada35e7e8333f8fa81f3a3349e11378c69c8b71c57cdef1002d80c8def42e56d568aa095cbe6b1aec31b1b92e5b3122514980cbfe293bc7