Analysis
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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
07/11/2022, 20:50
Static task
static1
Behavioral task
behavioral1
Sample
9fb5c5941ac3615ff7f1f702b7cfc9bd2a46aab08c7aeddb547820d186bb2779.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
9fb5c5941ac3615ff7f1f702b7cfc9bd2a46aab08c7aeddb547820d186bb2779.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
9fb5c5941ac3615ff7f1f702b7cfc9bd2a46aab08c7aeddb547820d186bb2779.exe
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Size
160KB
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MD5
0eaf778259f8ddf7e7bab519a736fde8
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SHA1
60d3b0358c6e7284b4402136d1f5519d26b25192
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SHA256
9fb5c5941ac3615ff7f1f702b7cfc9bd2a46aab08c7aeddb547820d186bb2779
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SHA512
346c5b7349914acac3f119c623345221bbbeb95330a73ed840058d931bf0899e0d387579696d7715203a9f64a234e0d950fdac8ada9da6d475b820420c7741e6
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SSDEEP
3072:/a5Xf+DxB95Fbr2IsJ03CwLYwR49hPLd3BzK02Swq4lV94oQZiE6Uf:C5v+DRbrTw03rLlR4PLnh7w1rvW4M
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 9fb5c5941ac3615ff7f1f702b7cfc9bd2a46aab08c7aeddb547820d186bb2779.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" riiroik.exe -
Executes dropped EXE 1 IoCs
pid Process 1684 riiroik.exe -
Loads dropped DLL 2 IoCs
pid Process 1400 9fb5c5941ac3615ff7f1f702b7cfc9bd2a46aab08c7aeddb547820d186bb2779.exe 1400 9fb5c5941ac3615ff7f1f702b7cfc9bd2a46aab08c7aeddb547820d186bb2779.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /S" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /q" riiroik.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /J" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /m" riiroik.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 9fb5c5941ac3615ff7f1f702b7cfc9bd2a46aab08c7aeddb547820d186bb2779.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /k" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /b" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /y" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /j" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /Q" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /R" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /f" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /F" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /n" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /g" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /x" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /H" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /w" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /U" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /V" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /E" 9fb5c5941ac3615ff7f1f702b7cfc9bd2a46aab08c7aeddb547820d186bb2779.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /Y" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /d" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /z" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /G" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /T" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /B" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /M" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /A" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /t" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /r" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /s" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /o" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /p" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /Z" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /D" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /W" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /u" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /N" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /C" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /K" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /O" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /L" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /l" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /I" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /E" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /v" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /a" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /h" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /X" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /P" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /i" riiroik.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\riiroik = "C:\\Users\\Admin\\riiroik.exe /c" riiroik.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 1400 9fb5c5941ac3615ff7f1f702b7cfc9bd2a46aab08c7aeddb547820d186bb2779.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe 1684 riiroik.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1400 9fb5c5941ac3615ff7f1f702b7cfc9bd2a46aab08c7aeddb547820d186bb2779.exe 1684 riiroik.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1400 wrote to memory of 1684 1400 9fb5c5941ac3615ff7f1f702b7cfc9bd2a46aab08c7aeddb547820d186bb2779.exe 27 PID 1400 wrote to memory of 1684 1400 9fb5c5941ac3615ff7f1f702b7cfc9bd2a46aab08c7aeddb547820d186bb2779.exe 27 PID 1400 wrote to memory of 1684 1400 9fb5c5941ac3615ff7f1f702b7cfc9bd2a46aab08c7aeddb547820d186bb2779.exe 27 PID 1400 wrote to memory of 1684 1400 9fb5c5941ac3615ff7f1f702b7cfc9bd2a46aab08c7aeddb547820d186bb2779.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\9fb5c5941ac3615ff7f1f702b7cfc9bd2a46aab08c7aeddb547820d186bb2779.exe"C:\Users\Admin\AppData\Local\Temp\9fb5c5941ac3615ff7f1f702b7cfc9bd2a46aab08c7aeddb547820d186bb2779.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:1400 -
C:\Users\Admin\riiroik.exe"C:\Users\Admin\riiroik.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:1684
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
160KB
MD5dbb41488064bb70ad5ca45b13a9b585b
SHA1cd4ee031a205103442b5d35bdf86db7d966653ad
SHA25645e5d57c104429a9184bccf8655fd8aef6ec53c6e99a9f253ab40ff945fd4a72
SHA51274c751c0ad5d19d783f769a8a0d86433992e969f380f896352d5e43f6363b86e5aea47ff45551d3cd26f7ac3d18bb3c1064bad2119b0e369e58971eb6592158f
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Filesize
160KB
MD5dbb41488064bb70ad5ca45b13a9b585b
SHA1cd4ee031a205103442b5d35bdf86db7d966653ad
SHA25645e5d57c104429a9184bccf8655fd8aef6ec53c6e99a9f253ab40ff945fd4a72
SHA51274c751c0ad5d19d783f769a8a0d86433992e969f380f896352d5e43f6363b86e5aea47ff45551d3cd26f7ac3d18bb3c1064bad2119b0e369e58971eb6592158f
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Filesize
160KB
MD5dbb41488064bb70ad5ca45b13a9b585b
SHA1cd4ee031a205103442b5d35bdf86db7d966653ad
SHA25645e5d57c104429a9184bccf8655fd8aef6ec53c6e99a9f253ab40ff945fd4a72
SHA51274c751c0ad5d19d783f769a8a0d86433992e969f380f896352d5e43f6363b86e5aea47ff45551d3cd26f7ac3d18bb3c1064bad2119b0e369e58971eb6592158f
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Filesize
160KB
MD5dbb41488064bb70ad5ca45b13a9b585b
SHA1cd4ee031a205103442b5d35bdf86db7d966653ad
SHA25645e5d57c104429a9184bccf8655fd8aef6ec53c6e99a9f253ab40ff945fd4a72
SHA51274c751c0ad5d19d783f769a8a0d86433992e969f380f896352d5e43f6363b86e5aea47ff45551d3cd26f7ac3d18bb3c1064bad2119b0e369e58971eb6592158f