Analysis
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max time kernel
150s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
05/12/2022, 10:18
Static task
static1
Behavioral task
behavioral1
Sample
5931c43dabd4420d65dc0ba5dc701c6ccba4e8396166226c3f020ad0d71e2198.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
5931c43dabd4420d65dc0ba5dc701c6ccba4e8396166226c3f020ad0d71e2198.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
5931c43dabd4420d65dc0ba5dc701c6ccba4e8396166226c3f020ad0d71e2198.exe
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Size
296KB
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MD5
08859369ad05d2c04e157ea1452bf020
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SHA1
311a797edf9b7d48de09cf0a4d8f77337b22bf50
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SHA256
5931c43dabd4420d65dc0ba5dc701c6ccba4e8396166226c3f020ad0d71e2198
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SHA512
864be52209515626bb735f6323e3fa90dc60ab7499b242acaf6ceafabc8a561475bb1a2994e77e59844b2e78cec5445a855e4b2d1941caf342102dfb62fc8f42
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SSDEEP
3072:IP8eHbzh7sAFEouHwbBAW4hXNzcd6HFfak/K4jaU3bxTlGb:IEkz/FEouH+BAi4HFfAgLpQ
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 5931c43dabd4420d65dc0ba5dc701c6ccba4e8396166226c3f020ad0d71e2198.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" viutuv.exe -
Executes dropped EXE 1 IoCs
pid Process 968 viutuv.exe -
Loads dropped DLL 2 IoCs
pid Process 360 5931c43dabd4420d65dc0ba5dc701c6ccba4e8396166226c3f020ad0d71e2198.exe 360 5931c43dabd4420d65dc0ba5dc701c6ccba4e8396166226c3f020ad0d71e2198.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /X" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /R" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /r" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /H" viutuv.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 5931c43dabd4420d65dc0ba5dc701c6ccba4e8396166226c3f020ad0d71e2198.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /h" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /Q" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /n" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /e" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /z" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /E" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /i" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /c" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /o" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /V" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /K" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /M" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /a" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /J" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /q" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /F" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /d" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /w" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /Y" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /Z" 5931c43dabd4420d65dc0ba5dc701c6ccba4e8396166226c3f020ad0d71e2198.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /m" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /A" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /B" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /u" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /C" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /v" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /p" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /s" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /j" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /y" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /Z" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /x" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /f" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /L" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /N" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /k" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /S" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /W" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /U" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /T" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /l" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /P" viutuv.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /g" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /D" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /G" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /I" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /t" viutuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\viutuv = "C:\\Users\\Admin\\viutuv.exe /O" viutuv.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 360 5931c43dabd4420d65dc0ba5dc701c6ccba4e8396166226c3f020ad0d71e2198.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe 968 viutuv.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 360 5931c43dabd4420d65dc0ba5dc701c6ccba4e8396166226c3f020ad0d71e2198.exe 968 viutuv.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 360 wrote to memory of 968 360 5931c43dabd4420d65dc0ba5dc701c6ccba4e8396166226c3f020ad0d71e2198.exe 27 PID 360 wrote to memory of 968 360 5931c43dabd4420d65dc0ba5dc701c6ccba4e8396166226c3f020ad0d71e2198.exe 27 PID 360 wrote to memory of 968 360 5931c43dabd4420d65dc0ba5dc701c6ccba4e8396166226c3f020ad0d71e2198.exe 27 PID 360 wrote to memory of 968 360 5931c43dabd4420d65dc0ba5dc701c6ccba4e8396166226c3f020ad0d71e2198.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\5931c43dabd4420d65dc0ba5dc701c6ccba4e8396166226c3f020ad0d71e2198.exe"C:\Users\Admin\AppData\Local\Temp\5931c43dabd4420d65dc0ba5dc701c6ccba4e8396166226c3f020ad0d71e2198.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:360 -
C:\Users\Admin\viutuv.exe"C:\Users\Admin\viutuv.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:968
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
296KB
MD5ecbb29515eedf0d3371276a537bd16cd
SHA1e7f617afa1488dc9dac1500ec7d5ae9e560fff6d
SHA256ba417da358fd219a443ac99eceeaa3ef2fcfb30c96144a42606f88555037ccc2
SHA512dd81d1d42891c9aa6fad6ba22739050924953df7ce50287acdbbd600be44e64e45fc8203e5b94fc6731ecc823dfdac80b62ec98c7fce07035d7d0b6016e6cb7c
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Filesize
296KB
MD5ecbb29515eedf0d3371276a537bd16cd
SHA1e7f617afa1488dc9dac1500ec7d5ae9e560fff6d
SHA256ba417da358fd219a443ac99eceeaa3ef2fcfb30c96144a42606f88555037ccc2
SHA512dd81d1d42891c9aa6fad6ba22739050924953df7ce50287acdbbd600be44e64e45fc8203e5b94fc6731ecc823dfdac80b62ec98c7fce07035d7d0b6016e6cb7c
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Filesize
296KB
MD5ecbb29515eedf0d3371276a537bd16cd
SHA1e7f617afa1488dc9dac1500ec7d5ae9e560fff6d
SHA256ba417da358fd219a443ac99eceeaa3ef2fcfb30c96144a42606f88555037ccc2
SHA512dd81d1d42891c9aa6fad6ba22739050924953df7ce50287acdbbd600be44e64e45fc8203e5b94fc6731ecc823dfdac80b62ec98c7fce07035d7d0b6016e6cb7c
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Filesize
296KB
MD5ecbb29515eedf0d3371276a537bd16cd
SHA1e7f617afa1488dc9dac1500ec7d5ae9e560fff6d
SHA256ba417da358fd219a443ac99eceeaa3ef2fcfb30c96144a42606f88555037ccc2
SHA512dd81d1d42891c9aa6fad6ba22739050924953df7ce50287acdbbd600be44e64e45fc8203e5b94fc6731ecc823dfdac80b62ec98c7fce07035d7d0b6016e6cb7c