Analysis
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max time kernel
145s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2024 11:33
Behavioral task
behavioral1
Sample
ef66e7667b1b2337e1b95b71989666eab22f8712c98166400f99248f8cbdf4b6.exe
Resource
win7-20240708-en
General
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Target
ef66e7667b1b2337e1b95b71989666eab22f8712c98166400f99248f8cbdf4b6.exe
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Size
80KB
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MD5
b465b4f55a678a8be063f1448983dc85
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SHA1
4ce3865726505163edbcf5e5a952be0e33d54c03
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SHA256
ef66e7667b1b2337e1b95b71989666eab22f8712c98166400f99248f8cbdf4b6
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SHA512
0c3eedad30161a3b4015342be0d405ff24ce3feb2d71afc3a1011a874d455049db2ba027ea4b6b7f30e8008e3bdcde78ae1a1ab5d904fa2a307aff544bafd8d0
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SSDEEP
1536:Gd9dseIOcE93bIvYvZEyF4EEOF6N4yS+AQmZcl/52izbR9XwzJ:+dseIOMEZEyFjEOFqTiQmOl/5xPvwV
Malware Config
Extracted
neconyd
http://ow5dirasuek.com/
http://mkkuei4kdsz.com/
http://lousta.net/
Signatures
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Neconyd family
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Executes dropped EXE 2 IoCs
pid Process 4876 omsecor.exe 1408 omsecor.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\omsecor.exe omsecor.exe File opened for modification C:\Windows\SysWOW64\merocz.xc6 omsecor.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ef66e7667b1b2337e1b95b71989666eab22f8712c98166400f99248f8cbdf4b6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language omsecor.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language omsecor.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4836 wrote to memory of 4876 4836 ef66e7667b1b2337e1b95b71989666eab22f8712c98166400f99248f8cbdf4b6.exe 83 PID 4836 wrote to memory of 4876 4836 ef66e7667b1b2337e1b95b71989666eab22f8712c98166400f99248f8cbdf4b6.exe 83 PID 4836 wrote to memory of 4876 4836 ef66e7667b1b2337e1b95b71989666eab22f8712c98166400f99248f8cbdf4b6.exe 83 PID 4876 wrote to memory of 1408 4876 omsecor.exe 100 PID 4876 wrote to memory of 1408 4876 omsecor.exe 100 PID 4876 wrote to memory of 1408 4876 omsecor.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\ef66e7667b1b2337e1b95b71989666eab22f8712c98166400f99248f8cbdf4b6.exe"C:\Users\Admin\AppData\Local\Temp\ef66e7667b1b2337e1b95b71989666eab22f8712c98166400f99248f8cbdf4b6.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4836 -
C:\Users\Admin\AppData\Roaming\omsecor.exeC:\Users\Admin\AppData\Roaming\omsecor.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4876 -
C:\Windows\SysWOW64\omsecor.exeC:\Windows\System32\omsecor.exe3⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:1408
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
80KB
MD5144f1be9332775a9d2c05a31cda5d398
SHA1978cd1dd9301e895bee1521cb86bfde3abcf01fb
SHA25663ee53b271a7764a61a37edc3c75cef8402a78ce956073bb0974858754f7a0db
SHA512c22a20476dbef69b0faebce950ca845f3964700a075f00b3aff4603623a29c7e273e3303f4d42683b36b5f4c9867048aef57c8b18dbb74fb538368dd512db48a
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Filesize
80KB
MD5fc4a6b5e146406b187c3bdc8da1d067e
SHA1c42f935d0a13b9da96653add6cdb63d7c182d71d
SHA2564011569cc75cf1c51e9078cd5c241d19e6ad1cf895765bacc7740cfdf07ab01a
SHA5123549f7117657d20dd88e018be0c6006c8f8fd4b85c7100206ebdb2852367139860f09a4acffc0eed3442c0cba4847b816579336429a895ffb139ea57adab757c