Analysis
- max time kernel
155s - max time network
160s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
21/11/2022, 15:20
Static task
static1
Behavioral task
behavioral1
Sample
34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe
Resource
win7-20221111-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe
- Size 108KB
- Sample221121-sqzh8aaf9z
- SHA256 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d
- MD5 12506bf9a8e918d3f02619a4fc98b1b1
- SHA1 56ab2e7f0a2281f2daa34bef2e6620ab9bc5cee9
- SHA512 5c1a17ba6bdd1a3d32be43c66e0469b105d1bf28ec9e55f1e7b2c37988828e83a440f661e238c86306cf6e0efb5fea871c54005681f16c6cef2ca88915083d0f
- SSDEEP 1536:6oKth6tSS9h+/jCdtksyr9s7zQ0J2ydnJNfV6Y0bNQde83iU1vPOF:6P6ISv+bCxzQb2JzyNQd2wXOF
- MD5 SHA1 SHA512 SSDEEP
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wcxey.exe - Executes dropped EXE 2 IoCs
pid Process 3576 wcxey.exe 3428 wcxey.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe - Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /f" 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /h" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /g" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /w" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /f" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /y" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /x" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /r" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /n" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /j" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /o" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /v" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /a" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /k" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /u" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /p" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /q" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /t" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /z" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /l" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /m" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /e" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /i" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /d" wcxey.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /s" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /b" wcxey.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wcxey = "C:\\Users\\Admin\\wcxey.exe /c" wcxey.exe - Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum wcxey.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 wcxey.exe - Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf wcxey.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1192 set thread context of 3068 1192 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe 76 PID 3576 set thread context of 3428 3576 wcxey.exe 78 - 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 3068 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe 3068 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe 3428 wcxey.exe - Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1192 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe 3068 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe 3576 wcxey.exe 3428 wcxey.exe - Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1192 wrote to memory of 3068 1192 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe 76 PID 1192 wrote to memory of 3068 1192 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe 76 PID 1192 wrote to memory of 3068 1192 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe 76 PID 1192 wrote to memory of 3068 1192 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe 76 PID 1192 wrote to memory of 3068 1192 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe 76 PID 1192 wrote to memory of 3068 1192 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe 76 PID 1192 wrote to memory of 3068 1192 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe 76 PID 1192 wrote to memory of 3068 1192 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe 76 PID 1192 wrote to memory of 3068 1192 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe 76 PID 3068 wrote to memory of 3576 3068 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe 77 PID 3068 wrote to memory of 3576 3068 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe 77 PID 3068 wrote to memory of 3576 3068 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe 77 PID 3576 wrote to memory of 3428 3576 wcxey.exe 78 PID 3576 wrote to memory of 3428 3576 wcxey.exe 78 PID 3576 wrote to memory of 3428 3576 wcxey.exe 78 PID 3576 wrote to memory of 3428 3576 wcxey.exe 78 PID 3576 wrote to memory of 3428 3576 wcxey.exe 78 PID 3576 wrote to memory of 3428 3576 wcxey.exe 78 PID 3576 wrote to memory of 3428 3576 wcxey.exe 78 PID 3576 wrote to memory of 3428 3576 wcxey.exe 78 PID 3576 wrote to memory of 3428 3576 wcxey.exe 78
Processes
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C:\Users\Admin\AppData\Local\Temp\34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe"C:\Users\Admin\AppData\Local\Temp\34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1192 -
C:\Users\Admin\AppData\Local\Temp\34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d.exe752⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Users\Admin\wcxey.exe"C:\Users\Admin\wcxey.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3576 -
C:\Users\Admin\wcxey.exe754⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3428
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\wcxey.exe
- Size 108KB
- SHA256 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d
- MD5 12506bf9a8e918d3f02619a4fc98b1b1
- SHA1 56ab2e7f0a2281f2daa34bef2e6620ab9bc5cee9
- SHA512 5c1a17ba6bdd1a3d32be43c66e0469b105d1bf28ec9e55f1e7b2c37988828e83a440f661e238c86306cf6e0efb5fea871c54005681f16c6cef2ca88915083d0f
- SSDEEP 1536:6oKth6tSS9h+/jCdtksyr9s7zQ0J2ydnJNfV6Y0bNQde83iU1vPOF:6P6ISv+bCxzQb2JzyNQd2wXOF
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\wcxey.exe
- Size 108KB
- SHA256 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d
- MD5 12506bf9a8e918d3f02619a4fc98b1b1
- SHA1 56ab2e7f0a2281f2daa34bef2e6620ab9bc5cee9
- SHA512 5c1a17ba6bdd1a3d32be43c66e0469b105d1bf28ec9e55f1e7b2c37988828e83a440f661e238c86306cf6e0efb5fea871c54005681f16c6cef2ca88915083d0f
- SSDEEP 1536:6oKth6tSS9h+/jCdtksyr9s7zQ0J2ydnJNfV6Y0bNQde83iU1vPOF:6P6ISv+bCxzQb2JzyNQd2wXOF
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\wcxey.exe
- Size 108KB
- SHA256 34b60476750081a1a5634b701c878fec21e7de64513a40e0e6faf0b55eee093d
- MD5 12506bf9a8e918d3f02619a4fc98b1b1
- SHA1 56ab2e7f0a2281f2daa34bef2e6620ab9bc5cee9
- SHA512 5c1a17ba6bdd1a3d32be43c66e0469b105d1bf28ec9e55f1e7b2c37988828e83a440f661e238c86306cf6e0efb5fea871c54005681f16c6cef2ca88915083d0f
- SSDEEP 1536:6oKth6tSS9h+/jCdtksyr9s7zQ0J2ydnJNfV6Y0bNQde83iU1vPOF:6P6ISv+bCxzQb2JzyNQd2wXOF
- MD5 SHA1 SHA512 SSDEEP