Analysis
-
max time kernel
150s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
19-10-2022 14:50
Static task
static1
Behavioral task
behavioral1
Sample
5c3a9692eb400c424c2a429059c8e8ac14c4cc741f36462db9b2a27b8a565c63.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
5c3a9692eb400c424c2a429059c8e8ac14c4cc741f36462db9b2a27b8a565c63.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
5c3a9692eb400c424c2a429059c8e8ac14c4cc741f36462db9b2a27b8a565c63.exe
-
Size
120KB
-
MD5
238528a33c187f140ce459911502de84
-
SHA1
f7a264192b247d7a8cdfa5e0fbf30bcb51cf4b69
-
SHA256
5c3a9692eb400c424c2a429059c8e8ac14c4cc741f36462db9b2a27b8a565c63
-
SHA512
673abde96446080845de99038d02be194ac2d1ff3e57cbaded9d33165a2775d8ca202a5a40d540d682b8277708fb48c3095f7ff0e096444d2c958a03dd65a5bf
-
SSDEEP
1536:tGGomZFUczFEmoiHl7gRNq27ddDhJmRjfFp6jhQh8bA0zb69ZeqpZj2jMhuyses2:tGsfzimvFKnAjfFQLA0zbPq36jRNEd
Score
10/10
Malware Config
Signatures
-
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 5c3a9692eb400c424c2a429059c8e8ac14c4cc741f36462db9b2a27b8a565c63.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yuoboi.exe -
Executes dropped EXE 1 IoCs
pid Process 3904 yuoboi.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 5c3a9692eb400c424c2a429059c8e8ac14c4cc741f36462db9b2a27b8a565c63.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /C" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /H" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /g" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /o" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /q" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /e" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /t" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /q" 5c3a9692eb400c424c2a429059c8e8ac14c4cc741f36462db9b2a27b8a565c63.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /k" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /K" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /E" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /P" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /I" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /v" yuoboi.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /s" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /c" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /u" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /Z" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /d" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /R" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /x" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /D" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /p" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /m" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /Y" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /j" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /U" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /r" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /w" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /S" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /G" yuoboi.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 5c3a9692eb400c424c2a429059c8e8ac14c4cc741f36462db9b2a27b8a565c63.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /X" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /a" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /M" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /O" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /L" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /V" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /z" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /N" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /y" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /T" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /b" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /F" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /f" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /B" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /n" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /A" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /Q" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /W" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /J" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /i" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /l" yuoboi.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuoboi = "C:\\Users\\Admin\\yuoboi.exe /h" yuoboi.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3660 5c3a9692eb400c424c2a429059c8e8ac14c4cc741f36462db9b2a27b8a565c63.exe 3660 5c3a9692eb400c424c2a429059c8e8ac14c4cc741f36462db9b2a27b8a565c63.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe 3904 yuoboi.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3660 5c3a9692eb400c424c2a429059c8e8ac14c4cc741f36462db9b2a27b8a565c63.exe 3904 yuoboi.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3660 wrote to memory of 3904 3660 5c3a9692eb400c424c2a429059c8e8ac14c4cc741f36462db9b2a27b8a565c63.exe 79 PID 3660 wrote to memory of 3904 3660 5c3a9692eb400c424c2a429059c8e8ac14c4cc741f36462db9b2a27b8a565c63.exe 79 PID 3660 wrote to memory of 3904 3660 5c3a9692eb400c424c2a429059c8e8ac14c4cc741f36462db9b2a27b8a565c63.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\5c3a9692eb400c424c2a429059c8e8ac14c4cc741f36462db9b2a27b8a565c63.exe"C:\Users\Admin\AppData\Local\Temp\5c3a9692eb400c424c2a429059c8e8ac14c4cc741f36462db9b2a27b8a565c63.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3660 -
C:\Users\Admin\yuoboi.exe"C:\Users\Admin\yuoboi.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:3904
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
120KB
MD5e5d085329c0e46f65a912b28e958ee3c
SHA14883e6a067d7d73fa8e2a4be8f368e37118943dd
SHA256cea86057ef29ec78380c65c0e641d07a2c63f4e48a8681ba8ca8d85287380d32
SHA51226fae464c069c1025917491370587ff7c35235e8ce5ed568bb0efcface9bbe07de396c2dcd163460e2d3395d38a2c6169f73019289eef89bebf3c935360a237b
-
Filesize
120KB
MD5e5d085329c0e46f65a912b28e958ee3c
SHA14883e6a067d7d73fa8e2a4be8f368e37118943dd
SHA256cea86057ef29ec78380c65c0e641d07a2c63f4e48a8681ba8ca8d85287380d32
SHA51226fae464c069c1025917491370587ff7c35235e8ce5ed568bb0efcface9bbe07de396c2dcd163460e2d3395d38a2c6169f73019289eef89bebf3c935360a237b