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Analysis
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max time kernel
150s -
max time network
136s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
24/12/2023, 18:16 UTC
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
0b1a3f997b9b89dc62968a69a8888fe6.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
0b1a3f997b9b89dc62968a69a8888fe6.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
0b1a3f997b9b89dc62968a69a8888fe6.exe
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Size
296KB
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MD5
0b1a3f997b9b89dc62968a69a8888fe6
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SHA1
ddb4c93e847d56feb12ff9b83c53222f0cd0b58b
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SHA256
58b055efd58d032d96c3cf06627f0f9bc82ac7e2c32eec6e52256373e502e884
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SHA512
6a2d4f004fb01a84fcfd01da7240df812e3fa01b8f932290167b16bf17ca1279ada5b8a7d0d3af7d260c8aa530da5229c5595c41c633a79c4016232bc8ea3fe5
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SSDEEP
6144:kkxD1y0FXrKnvmb7/D26OJYPsMiqDJlJNwHG6s20EBb4jHX3QA/hwNGhWhThPvMc:keD1y0F7Knvmb7/D265DJlJNwHG6JTbv
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-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 0b1a3f997b9b89dc62968a69a8888fe6.exe Set value (int) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" riomei.exe -
Executes dropped EXE 1 IoCs
pid Process 2172 riomei.exe -
Loads dropped DLL 2 IoCs
pid Process 2436 0b1a3f997b9b89dc62968a69a8888fe6.exe 2436 0b1a3f997b9b89dc62968a69a8888fe6.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /c" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /r" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /M" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /n" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /t" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /B" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /p" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /K" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /Y" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /i" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /x" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /O" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /u" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /l" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /y" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /I" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /S" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /H" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /D" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /U" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /A" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /q" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /b" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /C" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /k" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /V" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /a" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /d" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /e" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /o" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /X" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /z" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /f" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /F" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /j" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /E" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /s" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /v" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /h" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /N" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /Z" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /L" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /w" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /G" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /j" 0b1a3f997b9b89dc62968a69a8888fe6.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /J" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /Q" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /P" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /T" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /R" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /W" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /g" riomei.exe Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\riomei = "C:\\Users\\Admin\\riomei.exe /m" riomei.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2436 0b1a3f997b9b89dc62968a69a8888fe6.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe 2172 riomei.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2436 0b1a3f997b9b89dc62968a69a8888fe6.exe 2172 riomei.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2436 wrote to memory of 2172 2436 0b1a3f997b9b89dc62968a69a8888fe6.exe 28 PID 2436 wrote to memory of 2172 2436 0b1a3f997b9b89dc62968a69a8888fe6.exe 28 PID 2436 wrote to memory of 2172 2436 0b1a3f997b9b89dc62968a69a8888fe6.exe 28 PID 2436 wrote to memory of 2172 2436 0b1a3f997b9b89dc62968a69a8888fe6.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\0b1a3f997b9b89dc62968a69a8888fe6.exe"C:\Users\Admin\AppData\Local\Temp\0b1a3f997b9b89dc62968a69a8888fe6.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:2436 -
C:\Users\Admin\riomei.exe"C:\Users\Admin\riomei.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:2172
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Network
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Remote address:8.8.8.8:53Requestns1.player1532.comIN AResponsens1.player1532.comIN A107.178.223.183ns1.player1532.comIN A104.155.138.21
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
209KB
MD534d68e3c05e0d7f715eb89fa541b4e02
SHA1e8bc2646a9b1e4c3535e4cc1ab8990105f83b94b
SHA2567fce89cec9e61cf7125e2fb030ab0427831b046ea5edeb6c9f1420c1a6304696
SHA51295a266b656bc77b83d56b890635b3688b8436458ca6de5f53ed19f10b5a2359b6a27c0bfee17cb542f957ad8efdeae24a6206961ab9f0e952eeacc598fc36f28
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Filesize
190KB
MD5e3ddd3b26cbb60edfc7aec2d178065fa
SHA160993cfd75710aa012348eb89767df63ea9f6f91
SHA2563dac3516d78e646f6afaa955e3668f5eef801936269440eae1bd43c0fb9a5c23
SHA51256d3d822e47fb4f4f8efddf4fb156f69937f3416fd79559174de77577b781335aac1f2cd251785e8d8fad58f9ab8af3ea93ca6b83f02514cb8d2416a43a479e2
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Filesize
168KB
MD5de9cdf2a3e8e39f3c4d6d5ba1e29abed
SHA11cc088e34b93704f9e77ead26e40efc33da9b1c9
SHA256ea77bc9a818ba05fc3cd5bc3fc7aa958e955036ec7dcec448d2ea41f679aabe5
SHA512931f8eb517a4f2fb49b5aa65f87d4eda4cec87ce747b1eaabbf53972f4feceef26790acbb0b7fb871558d199363f5233a73ad4f88393054bc14c8766f12f9478
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Filesize
175KB
MD5c0739bda93a9ca88a75b8f6c22ae95af
SHA187477524dc0b749ea5648225dc2553eec900ce17
SHA256abb5f08b914e580825e8ccef14102f0591397d48b2a51beb8f319cc2daf55edc
SHA5125f39de5b0365c73ae3a1bd727617147d8eeb7e0bf080b680705d8ce1f4c54227588dba28b47a944db0b69a6419a502a7b0174a086e66176e1a3c858f34a3f5f2
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Filesize
126KB
MD5505de89c09f9fb79bb88f0db80d49dce
SHA1f607764fa663ee079984a96487f91bee5a94cc68
SHA25609cc30a0f9d299015256fb171113328f5f9172022225b2aa66a67861c2d6b948
SHA512f6a024232ca98d01aa0e4903e5a81043857ff4e7409693326c0c4f0c26d4121b541f67f126c757a55ef5e54ad386ad49889da9a898d8292fb0470f44c02795d6