Analysis
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max time kernel
156s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 23:10
Static task
static1
Behavioral task
behavioral1
Sample
8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe
Resource
win7-20220901-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe
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Size
152KB
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MD5
086ab82f86c277d5317e89a5a473a930
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SHA1
02aeee259cec96af4f1fc36d499c7f0d8c679faf
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SHA256
8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b
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SHA512
874b4b3d86cb161ac19efcfc495c6a2d6818459369f5fcefa0b7e5d644592cab9f66038fafa3ce9a6539e00c2608b9023e18a66a90d257df40b2d7d3cba0c1c8
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SSDEEP
3072:vUH+kq+NgySpZz+QfJZJH6oX1ps3duhh91:vNFbpZz+6ZV6+1ps3duhh
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" woidou.exe -
Executes dropped EXE 2 IoCs
pid Process 4956 woidou.exe 1268 woidou.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /z" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /k" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /f" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /x" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /o" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /a" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /c" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /n" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /g" woidou.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /h" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /y" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /m" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /w" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /e" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /s" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /q" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /r" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /b" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /p" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /t" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /u" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /d" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /l" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /v" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /i" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /j" woidou.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\woidou = "C:\\Users\\Admin\\woidou.exe /u" 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ woidou.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 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum woidou.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 woidou.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 woidou.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 5104 set thread context of 2676 5104 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe 78 PID 4956 set thread context of 1268 4956 woidou.exe 80 -
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 2676 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe 2676 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe 1268 woidou.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 5104 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe 2676 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe 4956 woidou.exe 1268 woidou.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 5104 wrote to memory of 2676 5104 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe 78 PID 5104 wrote to memory of 2676 5104 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe 78 PID 5104 wrote to memory of 2676 5104 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe 78 PID 5104 wrote to memory of 2676 5104 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe 78 PID 5104 wrote to memory of 2676 5104 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe 78 PID 5104 wrote to memory of 2676 5104 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe 78 PID 5104 wrote to memory of 2676 5104 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe 78 PID 5104 wrote to memory of 2676 5104 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe 78 PID 5104 wrote to memory of 2676 5104 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe 78 PID 2676 wrote to memory of 4956 2676 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe 79 PID 2676 wrote to memory of 4956 2676 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe 79 PID 2676 wrote to memory of 4956 2676 8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe 79 PID 4956 wrote to memory of 1268 4956 woidou.exe 80 PID 4956 wrote to memory of 1268 4956 woidou.exe 80 PID 4956 wrote to memory of 1268 4956 woidou.exe 80 PID 4956 wrote to memory of 1268 4956 woidou.exe 80 PID 4956 wrote to memory of 1268 4956 woidou.exe 80 PID 4956 wrote to memory of 1268 4956 woidou.exe 80 PID 4956 wrote to memory of 1268 4956 woidou.exe 80 PID 4956 wrote to memory of 1268 4956 woidou.exe 80 PID 4956 wrote to memory of 1268 4956 woidou.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe"C:\Users\Admin\AppData\Local\Temp\8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5104 -
C:\Users\Admin\AppData\Local\Temp\8905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b.exe742⤵
- 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:2676 -
C:\Users\Admin\woidou.exe"C:\Users\Admin\woidou.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4956 -
C:\Users\Admin\woidou.exe744⤵
- 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:1268
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
152KB
MD5086ab82f86c277d5317e89a5a473a930
SHA102aeee259cec96af4f1fc36d499c7f0d8c679faf
SHA2568905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b
SHA512874b4b3d86cb161ac19efcfc495c6a2d6818459369f5fcefa0b7e5d644592cab9f66038fafa3ce9a6539e00c2608b9023e18a66a90d257df40b2d7d3cba0c1c8
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Filesize
152KB
MD5086ab82f86c277d5317e89a5a473a930
SHA102aeee259cec96af4f1fc36d499c7f0d8c679faf
SHA2568905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b
SHA512874b4b3d86cb161ac19efcfc495c6a2d6818459369f5fcefa0b7e5d644592cab9f66038fafa3ce9a6539e00c2608b9023e18a66a90d257df40b2d7d3cba0c1c8
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Filesize
152KB
MD5086ab82f86c277d5317e89a5a473a930
SHA102aeee259cec96af4f1fc36d499c7f0d8c679faf
SHA2568905760f9972fc4cf2c028169ff364410231268069bfe70a4f7f935255b4679b
SHA512874b4b3d86cb161ac19efcfc495c6a2d6818459369f5fcefa0b7e5d644592cab9f66038fafa3ce9a6539e00c2608b9023e18a66a90d257df40b2d7d3cba0c1c8