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Analysis
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max time kernel
114s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22/01/2025, 16:00
Behavioral task
behavioral1
Sample
5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe
Resource
win7-20240903-en
General
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Target
5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe
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Size
76KB
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MD5
a0272e6696253c44389e1c479d1414d0
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SHA1
776216cb2cb426a382eb1f60fd7327a586440260
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SHA256
5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5
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SHA512
fd20b0d38d67be144dfa5cc618ed8f3b2c6a7c7fce486d3079fd4ff70ba7a45e01e60488a0b868f52c38b3e2ab5954906329b0e2c7cd7e673924588356bf9ecf
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SSDEEP
1536:vd9dseIOcE93bIvYvZEyF4EEOF6N4XS+AQmZTl/5w11:HdseIOMEZEyFjEOFqaiQm5l/5w11
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 2680 omsecor.exe 1112 omsecor.exe -
Loads dropped DLL 4 IoCs
pid Process 2100 5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe 2100 5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe 2680 omsecor.exe 2680 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 omsecor.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language omsecor.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2100 wrote to memory of 2680 2100 5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe 30 PID 2100 wrote to memory of 2680 2100 5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe 30 PID 2100 wrote to memory of 2680 2100 5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe 30 PID 2100 wrote to memory of 2680 2100 5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe 30 PID 2680 wrote to memory of 1112 2680 omsecor.exe 33 PID 2680 wrote to memory of 1112 2680 omsecor.exe 33 PID 2680 wrote to memory of 1112 2680 omsecor.exe 33 PID 2680 wrote to memory of 1112 2680 omsecor.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe"C:\Users\Admin\AppData\Local\Temp\5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Users\Admin\AppData\Roaming\omsecor.exeC:\Users\Admin\AppData\Roaming\omsecor.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\SysWOW64\omsecor.exeC:\Windows\System32\omsecor.exe3⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:1112
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
76KB
MD5c09ced903103d15271e9083abe6fd953
SHA1684e5631117f0ba6de4e46b42138c73ec0b7f7df
SHA256b6fa58efe98fde3963c70168b6f0d6a0ad32aa5b5cbfc9a17a0578468c8c1fe1
SHA51294e0875453c1f781edaddb4cee0b7c943d5a5ab96a33ea31b64c9f5fb9dbd202eb11cc5019520534dba6aedcb2b19caf504b9132ca18a8d6b5595216533d54ba
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Filesize
76KB
MD5f5719fa617c9a943c64df1ead1433491
SHA118d80f9710a6c2308da20d0b9fc44509eac1037c
SHA256dfbede0f5427dd4d979b0139523a95e23e17a8ce9c693d7b0f580bb83cd913be
SHA512f2e5b8db93d04dc56df2b85a02b821d500d183340c0f040f52ce8d1bc4547358f47b1506bf536028b0cc025d77d16bbf2cdfbdfdeb9ceb43609f52141d518863