Analysis
-
max time kernel
152s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01/12/2022, 22:38
Static task
static1
Behavioral task
behavioral1
Sample
ccca7a2743b20b038b8f8c96e45b0414840e50debf56b7f9a302df2258d67a9e.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ccca7a2743b20b038b8f8c96e45b0414840e50debf56b7f9a302df2258d67a9e.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
ccca7a2743b20b038b8f8c96e45b0414840e50debf56b7f9a302df2258d67a9e.exe
-
Size
240KB
-
MD5
8c51f3801012066aea0839c4293b4915
-
SHA1
c29f6b0fcb58e5a894606f4a903bb61ef7107a6b
-
SHA256
ccca7a2743b20b038b8f8c96e45b0414840e50debf56b7f9a302df2258d67a9e
-
SHA512
b82d2e80934b746fbcee8f854c14fcbdba0de3e436ea6a78a16302d033279d8c9fee9cb3c7478d8bd342f65235b94c108048cf861ff15b42beb4039cf5b2db0d
-
SSDEEP
6144:NH3dwqsNTNEXGlQR58EqxF6snji81RUinKq3aEESliD0z:NXdQKjeaEEpE
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ccca7a2743b20b038b8f8c96e45b0414840e50debf56b7f9a302df2258d67a9e.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yxrus.exe -
Executes dropped EXE 1 IoCs
pid Process 916 yxrus.exe -
Loads dropped DLL 2 IoCs
pid Process 1032 ccca7a2743b20b038b8f8c96e45b0414840e50debf56b7f9a302df2258d67a9e.exe 1032 ccca7a2743b20b038b8f8c96e45b0414840e50debf56b7f9a302df2258d67a9e.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /n" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /c" yxrus.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /r" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /d" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /z" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /h" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /e" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /d" ccca7a2743b20b038b8f8c96e45b0414840e50debf56b7f9a302df2258d67a9e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /m" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /a" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /l" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /i" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /b" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /j" yxrus.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ccca7a2743b20b038b8f8c96e45b0414840e50debf56b7f9a302df2258d67a9e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /t" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /q" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /f" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /y" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /o" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /g" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /v" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /w" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /k" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /s" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /u" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /x" yxrus.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yxrus = "C:\\Users\\Admin\\yxrus.exe /p" yxrus.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 1032 ccca7a2743b20b038b8f8c96e45b0414840e50debf56b7f9a302df2258d67a9e.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe 916 yxrus.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1032 ccca7a2743b20b038b8f8c96e45b0414840e50debf56b7f9a302df2258d67a9e.exe 916 yxrus.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1032 wrote to memory of 916 1032 ccca7a2743b20b038b8f8c96e45b0414840e50debf56b7f9a302df2258d67a9e.exe 28 PID 1032 wrote to memory of 916 1032 ccca7a2743b20b038b8f8c96e45b0414840e50debf56b7f9a302df2258d67a9e.exe 28 PID 1032 wrote to memory of 916 1032 ccca7a2743b20b038b8f8c96e45b0414840e50debf56b7f9a302df2258d67a9e.exe 28 PID 1032 wrote to memory of 916 1032 ccca7a2743b20b038b8f8c96e45b0414840e50debf56b7f9a302df2258d67a9e.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\ccca7a2743b20b038b8f8c96e45b0414840e50debf56b7f9a302df2258d67a9e.exe"C:\Users\Admin\AppData\Local\Temp\ccca7a2743b20b038b8f8c96e45b0414840e50debf56b7f9a302df2258d67a9e.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1032 -
C:\Users\Admin\yxrus.exe"C:\Users\Admin\yxrus.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:916
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
240KB
MD5f42108247f6616fe356168fe3b0106f5
SHA19a5dae756254bd341d28ea7d28e546f3fcd9bf4f
SHA256c10c8f57e929189ec27e123a5bb1fdf4dac540885378abfa8d34e8515451e6cd
SHA5120ee0cab68474c73a62b1aa9280507c0e9a092fed6e1d8661733e6b4f834de6d8a0c3fb05c97c127e0222744f21707eb9c1823a3a8d6ae577b02620a5feff55a4
-
Filesize
240KB
MD5f42108247f6616fe356168fe3b0106f5
SHA19a5dae756254bd341d28ea7d28e546f3fcd9bf4f
SHA256c10c8f57e929189ec27e123a5bb1fdf4dac540885378abfa8d34e8515451e6cd
SHA5120ee0cab68474c73a62b1aa9280507c0e9a092fed6e1d8661733e6b4f834de6d8a0c3fb05c97c127e0222744f21707eb9c1823a3a8d6ae577b02620a5feff55a4
-
Filesize
240KB
MD5f42108247f6616fe356168fe3b0106f5
SHA19a5dae756254bd341d28ea7d28e546f3fcd9bf4f
SHA256c10c8f57e929189ec27e123a5bb1fdf4dac540885378abfa8d34e8515451e6cd
SHA5120ee0cab68474c73a62b1aa9280507c0e9a092fed6e1d8661733e6b4f834de6d8a0c3fb05c97c127e0222744f21707eb9c1823a3a8d6ae577b02620a5feff55a4
-
Filesize
240KB
MD5f42108247f6616fe356168fe3b0106f5
SHA19a5dae756254bd341d28ea7d28e546f3fcd9bf4f
SHA256c10c8f57e929189ec27e123a5bb1fdf4dac540885378abfa8d34e8515451e6cd
SHA5120ee0cab68474c73a62b1aa9280507c0e9a092fed6e1d8661733e6b4f834de6d8a0c3fb05c97c127e0222744f21707eb9c1823a3a8d6ae577b02620a5feff55a4