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Analysis
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max time kernel
258s -
max time network
336s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
02/12/2022, 00:04
Static task
static1
Behavioral task
behavioral1
Sample
8e1131d634538379513c149b9d7c1bb9e23e9b4b01c241df047e250e38845ea5.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
8e1131d634538379513c149b9d7c1bb9e23e9b4b01c241df047e250e38845ea5.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
8e1131d634538379513c149b9d7c1bb9e23e9b4b01c241df047e250e38845ea5.exe
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Size
124KB
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MD5
dc419f838300e1ba7c20f5c92406d599
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SHA1
bfb46eb0eda32be5784e7fa888b9480ecb498b4b
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SHA256
8e1131d634538379513c149b9d7c1bb9e23e9b4b01c241df047e250e38845ea5
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SHA512
ae8a8746ee0d69b0122eae21db3e3b0e15d822234d120fb7001e72ecba536c4fccb7e71a5ea25bc8ce206a59ff1658ed73bd0321b6db6c3c6f863a64fb3997cc
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SSDEEP
3072:YaAfUEiZ/w0KrQKGcNqnGrD6uvIepyJS6f17reU:YhfiZ/wbrQKGciwQJr
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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 8e1131d634538379513c149b9d7c1bb9e23e9b4b01c241df047e250e38845ea5.exe Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" duocui.exe -
Executes dropped EXE 1 IoCs
pid Process 1992 duocui.exe -
Loads dropped DLL 2 IoCs
pid Process 692 8e1131d634538379513c149b9d7c1bb9e23e9b4b01c241df047e250e38845ea5.exe 692 8e1131d634538379513c149b9d7c1bb9e23e9b4b01c241df047e250e38845ea5.exe -
Adds Run key to start application 2 TTPs 45 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /u" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /E" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /B" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /C" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /R" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /K" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /w" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /X" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /d" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /b" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /M" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /N" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /Z" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /j" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /f" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /e" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /q" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /L" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /t" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /i" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /s" duocui.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 8e1131d634538379513c149b9d7c1bb9e23e9b4b01c241df047e250e38845ea5.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /z" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /Q" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /n" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /Y" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /F" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /r" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /g" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /T" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /H" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /h" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /v" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /G" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /P" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /U" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /x" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /y" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /D" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /I" duocui.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /A" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /k" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /W" duocui.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\duocui = "C:\\Users\\Admin\\duocui.exe /K" 8e1131d634538379513c149b9d7c1bb9e23e9b4b01c241df047e250e38845ea5.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 692 8e1131d634538379513c149b9d7c1bb9e23e9b4b01c241df047e250e38845ea5.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe 1992 duocui.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 692 8e1131d634538379513c149b9d7c1bb9e23e9b4b01c241df047e250e38845ea5.exe 1992 duocui.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 692 wrote to memory of 1992 692 8e1131d634538379513c149b9d7c1bb9e23e9b4b01c241df047e250e38845ea5.exe 28 PID 692 wrote to memory of 1992 692 8e1131d634538379513c149b9d7c1bb9e23e9b4b01c241df047e250e38845ea5.exe 28 PID 692 wrote to memory of 1992 692 8e1131d634538379513c149b9d7c1bb9e23e9b4b01c241df047e250e38845ea5.exe 28 PID 692 wrote to memory of 1992 692 8e1131d634538379513c149b9d7c1bb9e23e9b4b01c241df047e250e38845ea5.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\8e1131d634538379513c149b9d7c1bb9e23e9b4b01c241df047e250e38845ea5.exe"C:\Users\Admin\AppData\Local\Temp\8e1131d634538379513c149b9d7c1bb9e23e9b4b01c241df047e250e38845ea5.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:692 -
C:\Users\Admin\duocui.exe"C:\Users\Admin\duocui.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:1992
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
124KB
MD56cf6641779ca97f325733b63dc589561
SHA1979838f1a24d1aea9e80843306a9c5fe2c1dc852
SHA256c94ca17c993776de231bd2ff4618240d79209db1908e92c57682e1efc89daa31
SHA51297d43bf05912482a39145c9b4e574ff6f27786750cc466ec8af2b16e41151a05c2122cbe91fe2a8d4a6363cbd6b95413971e11f5421a0925ce3daa9917eab17a
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Filesize
124KB
MD56cf6641779ca97f325733b63dc589561
SHA1979838f1a24d1aea9e80843306a9c5fe2c1dc852
SHA256c94ca17c993776de231bd2ff4618240d79209db1908e92c57682e1efc89daa31
SHA51297d43bf05912482a39145c9b4e574ff6f27786750cc466ec8af2b16e41151a05c2122cbe91fe2a8d4a6363cbd6b95413971e11f5421a0925ce3daa9917eab17a
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Filesize
124KB
MD56cf6641779ca97f325733b63dc589561
SHA1979838f1a24d1aea9e80843306a9c5fe2c1dc852
SHA256c94ca17c993776de231bd2ff4618240d79209db1908e92c57682e1efc89daa31
SHA51297d43bf05912482a39145c9b4e574ff6f27786750cc466ec8af2b16e41151a05c2122cbe91fe2a8d4a6363cbd6b95413971e11f5421a0925ce3daa9917eab17a
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Filesize
124KB
MD56cf6641779ca97f325733b63dc589561
SHA1979838f1a24d1aea9e80843306a9c5fe2c1dc852
SHA256c94ca17c993776de231bd2ff4618240d79209db1908e92c57682e1efc89daa31
SHA51297d43bf05912482a39145c9b4e574ff6f27786750cc466ec8af2b16e41151a05c2122cbe91fe2a8d4a6363cbd6b95413971e11f5421a0925ce3daa9917eab17a