Analysis
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max time kernel
152s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
03/10/2022, 03:21
Static task
static1
Behavioral task
behavioral1
Sample
110dc032670070982e44ea7bca5068331cb085ce8c1e9a74531085c5aa0325d9.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
110dc032670070982e44ea7bca5068331cb085ce8c1e9a74531085c5aa0325d9.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
110dc032670070982e44ea7bca5068331cb085ce8c1e9a74531085c5aa0325d9.exe
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Size
220KB
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MD5
6c3629a3872d41bd5a12d45ab65348b7
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SHA1
6e9f2d712e991fd8890cdde7139bb70ca41b9a47
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SHA256
110dc032670070982e44ea7bca5068331cb085ce8c1e9a74531085c5aa0325d9
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SHA512
1e168f21109bc1b09429bf5a554e0153f994b7572751ef233b62fa7e67ed0bf3f314f1c3138db7c0b46892e87b5655f3aaf615c38330edb5f231e910315e5ffd
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SSDEEP
3072:MkR1SrrkY8YUL4qx9RIHgil3UuhSa3U3dD8d6Oy+MIrnj3JjNi9:Z1SPkx15x9SHVeOjf0
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 110dc032670070982e44ea7bca5068331cb085ce8c1e9a74531085c5aa0325d9.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" mrvat.exe -
Executes dropped EXE 1 IoCs
pid Process 1176 mrvat.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 110dc032670070982e44ea7bca5068331cb085ce8c1e9a74531085c5aa0325d9.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /s" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /c" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /l" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /q" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /d" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /b" mrvat.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /m" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /f" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /z" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /i" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /p" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /w" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /x" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /j" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /h" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /e" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /y" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /k" mrvat.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 110dc032670070982e44ea7bca5068331cb085ce8c1e9a74531085c5aa0325d9.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /t" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /r" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /n" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /a" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /o" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /q" 110dc032670070982e44ea7bca5068331cb085ce8c1e9a74531085c5aa0325d9.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /v" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /u" mrvat.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mrvat = "C:\\Users\\Admin\\mrvat.exe /g" mrvat.exe -
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 4704 110dc032670070982e44ea7bca5068331cb085ce8c1e9a74531085c5aa0325d9.exe 4704 110dc032670070982e44ea7bca5068331cb085ce8c1e9a74531085c5aa0325d9.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe 1176 mrvat.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4704 110dc032670070982e44ea7bca5068331cb085ce8c1e9a74531085c5aa0325d9.exe 1176 mrvat.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4704 wrote to memory of 1176 4704 110dc032670070982e44ea7bca5068331cb085ce8c1e9a74531085c5aa0325d9.exe 90 PID 4704 wrote to memory of 1176 4704 110dc032670070982e44ea7bca5068331cb085ce8c1e9a74531085c5aa0325d9.exe 90 PID 4704 wrote to memory of 1176 4704 110dc032670070982e44ea7bca5068331cb085ce8c1e9a74531085c5aa0325d9.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\110dc032670070982e44ea7bca5068331cb085ce8c1e9a74531085c5aa0325d9.exe"C:\Users\Admin\AppData\Local\Temp\110dc032670070982e44ea7bca5068331cb085ce8c1e9a74531085c5aa0325d9.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:4704 -
C:\Users\Admin\mrvat.exe"C:\Users\Admin\mrvat.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:1176
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
220KB
MD59321235be1866e0e59919e90c1109268
SHA1c89e734320824e8c116eb12b73befe14b1bd45e3
SHA256efc251be654decf9f59357fba362ff9d1e778d4e1495795b5b48ff5d44d409b1
SHA5128698c07e251f6cbd7456e3df63ddbc63db94f90d72b60ae3284deb3b85eb09f87562d7771fec1720abcd22e1cf8f0d2df17b70c11cac85ae7a8042f70636ecdc
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Filesize
220KB
MD59321235be1866e0e59919e90c1109268
SHA1c89e734320824e8c116eb12b73befe14b1bd45e3
SHA256efc251be654decf9f59357fba362ff9d1e778d4e1495795b5b48ff5d44d409b1
SHA5128698c07e251f6cbd7456e3df63ddbc63db94f90d72b60ae3284deb3b85eb09f87562d7771fec1720abcd22e1cf8f0d2df17b70c11cac85ae7a8042f70636ecdc