Analysis
-
max time kernel
112s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2022 10:01
Static task
static1
Behavioral task
behavioral1
Sample
b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe
Resource
win10v2004-20220901-en
General
-
Target
b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe
-
Size
124KB
-
MD5
4088174fc3056b657c40b539aac50b40
-
SHA1
adb084a42da4df3f31f0a227e87742d51d5de6f2
-
SHA256
b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2
-
SHA512
e5a9c8ac74dc3f456c51fa3117db57bf743eb6c9be899bb6f2ae6651d13f3114535a33e487d8374f83828acd9b5951b11d2c9df466b3290c9a24d7c68cf02017
-
SSDEEP
1536:OIfhGVitNdn6cOBQP6LAlUnhnLrirdb8+gXygMRV2zH3XgyCPq2KQPXgyFWaajV5:OIfhGUtNdn2ULg8V2zXKv9GsIF/lg30
Malware Config
Signatures
-
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Internet Explorer.lnk b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\windv32_tvpz = "C:\\Program Files\\Winvows Publvpz\\services.exe" regedit.exe -
Drops file in System32 directory 5 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\2.txt b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe File created C:\Windows\SysWOW64\1.txt b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe File opened for modification C:\Windows\SysWOW64\1.txt b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe File opened for modification C:\Windows\SysWOW64\internat.exe.txt b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe File opened for modification C:\Windows\SysWOW64\internat.exe b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files\Winvows Publvpz\services.exe.txt b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe File opened for modification C:\Program Files\Winvows Publvpz\services.exe b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\WINDOWS\Winvows Publvpz\services.exe.txt b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe File opened for modification C:\WINDOWS\Winvows Publvpz\services.exe b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Runs .reg file with regedit 1 IoCs
pid Process 2236 regedit.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 528 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe 528 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe 528 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe 528 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe 528 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe 528 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 528 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 528 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 528 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe 528 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe 528 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe 1740 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe 1740 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe 1740 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 528 wrote to memory of 1740 528 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe 81 PID 528 wrote to memory of 1740 528 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe 81 PID 528 wrote to memory of 1740 528 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe 81 PID 528 wrote to memory of 2236 528 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe 82 PID 528 wrote to memory of 2236 528 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe 82 PID 528 wrote to memory of 2236 528 b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe"C:\Users\Admin\AppData\Local\Temp\b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe"1⤵
- Drops startup file
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:528 -
C:\Users\Admin\AppData\Local\Temp\b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exeC:\Users\Admin\AppData\Local\Temp\b9dcc2125c9ff070d38ab81aabc14e810b1bcba2af720bc61c1e699132c5f9b2.exe2⤵
- Suspicious use of SetWindowsHookEx
PID:1740
-
-
C:\Windows\SysWOW64\regedit.exeregedit /s C:\1.reg2⤵
- Adds Run key to start application
- Runs .reg file with regedit
PID:2236
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
173B
MD5fb7dd19a9e0d3a2a3f160273df8f8326
SHA14c7625933f5789c7d1c2b631590c9e3d5d976e82
SHA256f263ad17e22671d34b82a3286448f8f39ec014bad30b624c0dd3355800385700
SHA512aa7ebfd4411c86da9cd4348666fe2c06be860433e56884bc27f81076f53a1e4c55afbfb4b03ae91207bc3f2a7776bdfbfd090eec7a28bfda5a854d7f53ac4d18