Analysis
-
max time kernel
152s -
max time network
93s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20/10/2022, 04:31
Static task
static1
Behavioral task
behavioral1
Sample
4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
11 signatures
150 seconds
General
-
Target
4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe
-
Size
124KB
-
MD5
4e88a94866fb51dd1a75919d0780dfe0
-
SHA1
b53188dd5208409ad133346d0513f5c30ff113f0
-
SHA256
4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0
-
SHA512
3e09f7893e13da4b3f86be0c205e4daf03b16c0d6779983cce3fe214040aa17c05dbe0fc5c904d115fbfafbfb51fe32f8dc2b2357a9b74e52db030120d720fc4
-
SSDEEP
1536:7RemNjmu9v8adauVhSORRtZuMFbQV1Hynj2qmu4iX6DS1zfmISzytWjhIRmJGS+e:J0Sv8ad0OLtIBNBiX6DS1zzohS+G16D
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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" weuru.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe -
Executes dropped EXE 2 IoCs
pid Process 1500 weuru.exe 1096 weuru.exe -
Loads dropped DLL 2 IoCs
pid Process 968 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 968 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /r" weuru.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /s" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /t" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /z" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /k" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /b" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /x" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /c" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /a" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /w" 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /e" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /w" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /v" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /u" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /l" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /i" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /f" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /n" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /d" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /j" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /o" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /m" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /p" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /q" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /y" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /h" weuru.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuru = "C:\\Users\\Admin\\weuru.exe /g" weuru.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 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum weuru.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 weuru.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 weuru.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1720 set thread context of 968 1720 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 27 PID 1500 set thread context of 1096 1500 weuru.exe 29 -
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 968 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe 1096 weuru.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1720 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 968 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 1500 weuru.exe 1096 weuru.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1720 wrote to memory of 968 1720 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 27 PID 1720 wrote to memory of 968 1720 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 27 PID 1720 wrote to memory of 968 1720 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 27 PID 1720 wrote to memory of 968 1720 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 27 PID 1720 wrote to memory of 968 1720 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 27 PID 1720 wrote to memory of 968 1720 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 27 PID 1720 wrote to memory of 968 1720 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 27 PID 1720 wrote to memory of 968 1720 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 27 PID 1720 wrote to memory of 968 1720 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 27 PID 1720 wrote to memory of 968 1720 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 27 PID 968 wrote to memory of 1500 968 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 28 PID 968 wrote to memory of 1500 968 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 28 PID 968 wrote to memory of 1500 968 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 28 PID 968 wrote to memory of 1500 968 4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe 28 PID 1500 wrote to memory of 1096 1500 weuru.exe 29 PID 1500 wrote to memory of 1096 1500 weuru.exe 29 PID 1500 wrote to memory of 1096 1500 weuru.exe 29 PID 1500 wrote to memory of 1096 1500 weuru.exe 29 PID 1500 wrote to memory of 1096 1500 weuru.exe 29 PID 1500 wrote to memory of 1096 1500 weuru.exe 29 PID 1500 wrote to memory of 1096 1500 weuru.exe 29 PID 1500 wrote to memory of 1096 1500 weuru.exe 29 PID 1500 wrote to memory of 1096 1500 weuru.exe 29 PID 1500 wrote to memory of 1096 1500 weuru.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe"C:\Users\Admin\AppData\Local\Temp\4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Users\Admin\AppData\Local\Temp\4174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0.exe712⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:968 -
C:\Users\Admin\weuru.exe"C:\Users\Admin\weuru.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1500 -
C:\Users\Admin\weuru.exe714⤵
- 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:1096
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
124KB
MD54e88a94866fb51dd1a75919d0780dfe0
SHA1b53188dd5208409ad133346d0513f5c30ff113f0
SHA2564174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0
SHA5123e09f7893e13da4b3f86be0c205e4daf03b16c0d6779983cce3fe214040aa17c05dbe0fc5c904d115fbfafbfb51fe32f8dc2b2357a9b74e52db030120d720fc4
-
Filesize
124KB
MD54e88a94866fb51dd1a75919d0780dfe0
SHA1b53188dd5208409ad133346d0513f5c30ff113f0
SHA2564174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0
SHA5123e09f7893e13da4b3f86be0c205e4daf03b16c0d6779983cce3fe214040aa17c05dbe0fc5c904d115fbfafbfb51fe32f8dc2b2357a9b74e52db030120d720fc4
-
Filesize
124KB
MD54e88a94866fb51dd1a75919d0780dfe0
SHA1b53188dd5208409ad133346d0513f5c30ff113f0
SHA2564174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0
SHA5123e09f7893e13da4b3f86be0c205e4daf03b16c0d6779983cce3fe214040aa17c05dbe0fc5c904d115fbfafbfb51fe32f8dc2b2357a9b74e52db030120d720fc4
-
Filesize
124KB
MD54e88a94866fb51dd1a75919d0780dfe0
SHA1b53188dd5208409ad133346d0513f5c30ff113f0
SHA2564174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0
SHA5123e09f7893e13da4b3f86be0c205e4daf03b16c0d6779983cce3fe214040aa17c05dbe0fc5c904d115fbfafbfb51fe32f8dc2b2357a9b74e52db030120d720fc4
-
Filesize
124KB
MD54e88a94866fb51dd1a75919d0780dfe0
SHA1b53188dd5208409ad133346d0513f5c30ff113f0
SHA2564174aa75bb4e460e9c120d1507688c0b43dc9e3f395e3ae37f3eee1874985ce0
SHA5123e09f7893e13da4b3f86be0c205e4daf03b16c0d6779983cce3fe214040aa17c05dbe0fc5c904d115fbfafbfb51fe32f8dc2b2357a9b74e52db030120d720fc4