Analysis
-
max time kernel
153s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
29/10/2022, 16:20
Static task
static1
Behavioral task
behavioral1
Sample
92fb51b9e743244dc6017c1d139ee47b8029a71d2d83d0c2c7622d958c001d22.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
92fb51b9e743244dc6017c1d139ee47b8029a71d2d83d0c2c7622d958c001d22.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
92fb51b9e743244dc6017c1d139ee47b8029a71d2d83d0c2c7622d958c001d22.exe
-
Size
256KB
-
MD5
a3a8a7cebcfe6ec1e4b114b5245cc663
-
SHA1
1d323abe983e699a39cbedd5eaa42d43aa115e43
-
SHA256
92fb51b9e743244dc6017c1d139ee47b8029a71d2d83d0c2c7622d958c001d22
-
SHA512
51faa9c804ed8fe3d456066a935c6a97d40b9fcdbf7672771687dc365ce6e6bed79fc506622e0ff156218d1a98da97ca996396e1e47d96122f704507dadcbfd5
-
SSDEEP
3072:U3ZVoelPlp/nskpCUv5T79fzCC/M7BFsqMabeYiUDoZG533ygo:CftPlptNvl9fm0UBFsqMabeYiUDogpF
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 92fb51b9e743244dc6017c1d139ee47b8029a71d2d83d0c2c7622d958c001d22.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ypkuir.exe -
Executes dropped EXE 1 IoCs
pid Process 4312 ypkuir.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 92fb51b9e743244dc6017c1d139ee47b8029a71d2d83d0c2c7622d958c001d22.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /g" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /t" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /f" ypkuir.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 92fb51b9e743244dc6017c1d139ee47b8029a71d2d83d0c2c7622d958c001d22.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /I" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /w" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /Z" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /h" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /K" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /x" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /o" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /v" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /d" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /i" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /p" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /D" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /H" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /y" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /q" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /L" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /E" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /m" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /J" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /W" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /S" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /b" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /q" 92fb51b9e743244dc6017c1d139ee47b8029a71d2d83d0c2c7622d958c001d22.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /j" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /r" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /a" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /O" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /C" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /R" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /U" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /G" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /F" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /M" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /T" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /V" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /A" ypkuir.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /e" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /k" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /u" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /P" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /Q" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /l" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /s" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /z" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /X" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /N" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /Y" ypkuir.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ypkuir = "C:\\Users\\Admin\\ypkuir.exe /n" ypkuir.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 4652 92fb51b9e743244dc6017c1d139ee47b8029a71d2d83d0c2c7622d958c001d22.exe 4652 92fb51b9e743244dc6017c1d139ee47b8029a71d2d83d0c2c7622d958c001d22.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe 4312 ypkuir.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4652 92fb51b9e743244dc6017c1d139ee47b8029a71d2d83d0c2c7622d958c001d22.exe 4312 ypkuir.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4652 wrote to memory of 4312 4652 92fb51b9e743244dc6017c1d139ee47b8029a71d2d83d0c2c7622d958c001d22.exe 81 PID 4652 wrote to memory of 4312 4652 92fb51b9e743244dc6017c1d139ee47b8029a71d2d83d0c2c7622d958c001d22.exe 81 PID 4652 wrote to memory of 4312 4652 92fb51b9e743244dc6017c1d139ee47b8029a71d2d83d0c2c7622d958c001d22.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\92fb51b9e743244dc6017c1d139ee47b8029a71d2d83d0c2c7622d958c001d22.exe"C:\Users\Admin\AppData\Local\Temp\92fb51b9e743244dc6017c1d139ee47b8029a71d2d83d0c2c7622d958c001d22.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:4652 -
C:\Users\Admin\ypkuir.exe"C:\Users\Admin\ypkuir.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:4312
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
256KB
MD531e43587387c056b8d75fd5f3df767ca
SHA1d27a5bf0dce2f0371b007509aa064ee291ee0cc7
SHA25697a4d6110e0a21b6671d5245b1ad987cebcf608db574651fc39774ab06791254
SHA512ebe362b08021a05e37004d7a8454aedc5a72a6a6572d8cafbe81b41cabafdc70b217ce229493ee15bce11655df3398adf9c37824961102eaf0288a9fc9c4935b
-
Filesize
256KB
MD531e43587387c056b8d75fd5f3df767ca
SHA1d27a5bf0dce2f0371b007509aa064ee291ee0cc7
SHA25697a4d6110e0a21b6671d5245b1ad987cebcf608db574651fc39774ab06791254
SHA512ebe362b08021a05e37004d7a8454aedc5a72a6a6572d8cafbe81b41cabafdc70b217ce229493ee15bce11655df3398adf9c37824961102eaf0288a9fc9c4935b