Analysis
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max time kernel
150s -
max time network
76s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29/11/2022, 03:27
Static task
static1
Behavioral task
behavioral1
Sample
b051de486bb684f10acbbfc3c08c58be0b511255ec87c39130bbb3091ed6c327.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b051de486bb684f10acbbfc3c08c58be0b511255ec87c39130bbb3091ed6c327.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b051de486bb684f10acbbfc3c08c58be0b511255ec87c39130bbb3091ed6c327.exe
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Size
124KB
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MD5
2e4e045cef68e0b2b0b62120e1aff47a
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SHA1
27492e944270c68c811496bb162180568038abe8
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SHA256
b051de486bb684f10acbbfc3c08c58be0b511255ec87c39130bbb3091ed6c327
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SHA512
f19b4c0f6a45afc372f81a9b586c66e2c2e6ca285138b27ea80665fbc86103718a6ca2ea93334506892a2b2b8fa484c6212e292121111c136f336e2f5d4b7379
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SSDEEP
1536:TKszb5YuFOhRO/N69BH3OoGa+FLHjKKvRgrkOSo8NeG0h/l:+GNYushkFoN3Oo1+FvkSIt
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b051de486bb684f10acbbfc3c08c58be0b511255ec87c39130bbb3091ed6c327.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" puuora.exe -
Executes dropped EXE 1 IoCs
pid Process 952 puuora.exe -
Loads dropped DLL 2 IoCs
pid Process 1624 b051de486bb684f10acbbfc3c08c58be0b511255ec87c39130bbb3091ed6c327.exe 1624 b051de486bb684f10acbbfc3c08c58be0b511255ec87c39130bbb3091ed6c327.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /k" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /J" puuora.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /F" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /G" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /C" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /y" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /E" b051de486bb684f10acbbfc3c08c58be0b511255ec87c39130bbb3091ed6c327.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /s" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /W" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /g" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /R" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /n" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /i" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /o" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /V" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /l" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /c" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /f" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /D" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /H" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /m" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /b" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /j" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /M" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /K" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /X" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /d" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /r" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /z" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /x" puuora.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b051de486bb684f10acbbfc3c08c58be0b511255ec87c39130bbb3091ed6c327.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /Y" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /Q" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /u" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /N" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /h" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /I" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /a" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /S" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /t" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /L" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /A" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /P" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /v" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /w" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /Z" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /U" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /e" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /q" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /O" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /p" puuora.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\puuora = "C:\\Users\\Admin\\puuora.exe /B" puuora.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 1624 b051de486bb684f10acbbfc3c08c58be0b511255ec87c39130bbb3091ed6c327.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe 952 puuora.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1624 b051de486bb684f10acbbfc3c08c58be0b511255ec87c39130bbb3091ed6c327.exe 952 puuora.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1624 wrote to memory of 952 1624 b051de486bb684f10acbbfc3c08c58be0b511255ec87c39130bbb3091ed6c327.exe 28 PID 1624 wrote to memory of 952 1624 b051de486bb684f10acbbfc3c08c58be0b511255ec87c39130bbb3091ed6c327.exe 28 PID 1624 wrote to memory of 952 1624 b051de486bb684f10acbbfc3c08c58be0b511255ec87c39130bbb3091ed6c327.exe 28 PID 1624 wrote to memory of 952 1624 b051de486bb684f10acbbfc3c08c58be0b511255ec87c39130bbb3091ed6c327.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\b051de486bb684f10acbbfc3c08c58be0b511255ec87c39130bbb3091ed6c327.exe"C:\Users\Admin\AppData\Local\Temp\b051de486bb684f10acbbfc3c08c58be0b511255ec87c39130bbb3091ed6c327.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:1624 -
C:\Users\Admin\puuora.exe"C:\Users\Admin\puuora.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:952
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
124KB
MD556bb3935094aa64ceb157882aff034e4
SHA1d6a857816e4d848181d311db93c1023cf3cd800c
SHA2564a8e3921b984d9a7fcc3c0026ac055ed4d5e10fe8e69b617fc39a3962184f013
SHA5123fd9af0aa7ada2b56e4098e2eb65778f9ddfec1ac379dd28d2857b2c148d75f2ad05b49213d987fd87eef8936da6e15770d01d0193c019e1eeff95b1fb5b99db
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Filesize
124KB
MD556bb3935094aa64ceb157882aff034e4
SHA1d6a857816e4d848181d311db93c1023cf3cd800c
SHA2564a8e3921b984d9a7fcc3c0026ac055ed4d5e10fe8e69b617fc39a3962184f013
SHA5123fd9af0aa7ada2b56e4098e2eb65778f9ddfec1ac379dd28d2857b2c148d75f2ad05b49213d987fd87eef8936da6e15770d01d0193c019e1eeff95b1fb5b99db
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Filesize
124KB
MD556bb3935094aa64ceb157882aff034e4
SHA1d6a857816e4d848181d311db93c1023cf3cd800c
SHA2564a8e3921b984d9a7fcc3c0026ac055ed4d5e10fe8e69b617fc39a3962184f013
SHA5123fd9af0aa7ada2b56e4098e2eb65778f9ddfec1ac379dd28d2857b2c148d75f2ad05b49213d987fd87eef8936da6e15770d01d0193c019e1eeff95b1fb5b99db
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Filesize
124KB
MD556bb3935094aa64ceb157882aff034e4
SHA1d6a857816e4d848181d311db93c1023cf3cd800c
SHA2564a8e3921b984d9a7fcc3c0026ac055ed4d5e10fe8e69b617fc39a3962184f013
SHA5123fd9af0aa7ada2b56e4098e2eb65778f9ddfec1ac379dd28d2857b2c148d75f2ad05b49213d987fd87eef8936da6e15770d01d0193c019e1eeff95b1fb5b99db