Analysis
- max time kernel
115s - max time network
119s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
20/08/2024, 10:46
Behavioral task
behavioral1
Sample
d723a022a926006b38fa937d2f3ed9e0N.exe
Resource
win7-20240705-en
7 signatures
120 seconds
General
- Target d723a022a926006b38fa937d2f3ed9e0N.exe
- Size 248KB
- Sample240820-mt2vvs1fjm
- SHA256 c6c7107a716c79d5c627149b47ae697e685bb735cdedb5ee7dc728cad4146ea5
- MD5 d723a022a926006b38fa937d2f3ed9e0
- SHA1 49a644b962762b869413b0ebf6f591d857bab6e2
- SHA512 13dff2460a2bd939028c704e108a785c4e811978f0461dd14ff06e2478c4b5ec09d51913eff2f14f27f1c655aacb21ad11ddc98262e49114dab9d63c8c12fc48
- SSDEEP 1536:r4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:rIdseIO+EZEyFjEOFqTiQmGnOHjzU
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
neconyd
C2
-
http://ow5dirasuek.com/
-
http://mkkuei4kdsz.com/
-
http://lousta.net/
Signatures
- Executes dropped EXE 3 IoCs
pid Process 3176 omsecor.exe 1612 omsecor.exe 1892 omsecor.exe -
resource yara_rule behavioral2/memory/4360-0-0x0000000000400000-0x000000000043E000-memory.dmp upx behavioral2/files/0x000900000002341e-2.dat upx behavioral2/memory/3176-4-0x0000000000400000-0x000000000043E000-memory.dmp upx behavioral2/memory/4360-6-0x0000000000400000-0x000000000043E000-memory.dmp upx behavioral2/memory/3176-7-0x0000000000400000-0x000000000043E000-memory.dmp upx behavioral2/files/0x0005000000016938-10.dat upx behavioral2/memory/1612-11-0x0000000000400000-0x000000000043E000-memory.dmp upx behavioral2/memory/3176-12-0x0000000000400000-0x000000000043E000-memory.dmp upx behavioral2/files/0x000900000002341e-17.dat upx behavioral2/memory/1612-19-0x0000000000400000-0x000000000043E000-memory.dmp upx behavioral2/memory/1892-18-0x0000000000400000-0x000000000043E000-memory.dmp upx behavioral2/memory/1892-20-0x0000000000400000-0x000000000043E000-memory.dmp upx - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\omsecor.exe omsecor.exe - System Location Discovery: System Language Discovery 1 TTPs 4 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 d723a022a926006b38fa937d2f3ed9e0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language omsecor.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 9 IoCs
description pid Process procid_target PID 4360 wrote to memory of 3176 4360 d723a022a926006b38fa937d2f3ed9e0N.exe 84 PID 4360 wrote to memory of 3176 4360 d723a022a926006b38fa937d2f3ed9e0N.exe 84 PID 4360 wrote to memory of 3176 4360 d723a022a926006b38fa937d2f3ed9e0N.exe 84 PID 3176 wrote to memory of 1612 3176 omsecor.exe 100 PID 3176 wrote to memory of 1612 3176 omsecor.exe 100 PID 3176 wrote to memory of 1612 3176 omsecor.exe 100 PID 1612 wrote to memory of 1892 1612 omsecor.exe 101 PID 1612 wrote to memory of 1892 1612 omsecor.exe 101 PID 1612 wrote to memory of 1892 1612 omsecor.exe 101
Processes
-
C:\Users\Admin\AppData\Local\Temp\d723a022a926006b38fa937d2f3ed9e0N.exe"C:\Users\Admin\AppData\Local\Temp\d723a022a926006b38fa937d2f3ed9e0N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4360 -
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:3176 -
C:\Windows\SysWOW64\omsecor.exeC:\Windows\System32\omsecor.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1612 -
C:\Users\Admin\AppData\Roaming\omsecor.exeC:\Users\Admin\AppData\Roaming\omsecor.exe4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1892
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\omsecor.exe
- Size 248KB
- SHA256 67bcad607549643ac8d16e17bd1b4bbbe0d279644c67f52d64e2e253afa802a8
- MD5 afce8a490e87709cc52367c5a0159089
- SHA1 917ab27d75485fe351017ea38d172c6b92c5b83a
- SHA512 125138af38061fbe943f9a3afdba79884e04799d48b443e96d5c2dbda85677619535a3ef876dc4cac7d92bceb1dcf287c078d8a66b68aa056ff58997eb9b65f6
- SSDEEP 1536:C4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:CIdseIO+EZEyFjEOFqTiQmGnOHjzU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\omsecor.exe
- Size 248KB
- SHA256 e6ec284aba5543cadabb20ac1d2054529fdde1da37a25542ca59afa03e9d0abf
- MD5 d7f7651631334923efae6685e65e43dd
- SHA1 96fddf2c049966ee9df1aaa970869066942a5066
- SHA512 c6839beae1efe90d9ec528bbb74ec7a12f4f98db5ed72709de8000c597762492168c45c511d2ac9d1b1d619caa31f024eebc780c8dc2a72bb203ec6149748122
- SSDEEP 1536:D4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:DIdseIO+EZEyFjEOFqTiQmGnOHjzU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\omsecor.exe
- Size 248KB
- SHA256 7bdbbad258bf8025022840de8631f5b94038e33c05378a2c5687a66b1030ffb6
- MD5 b0dc2148f39c65af84cb260fac747970
- SHA1 31bc839edd42e7d16d0118f65b49377816325548
- SHA512 bf4784898ffd3cc7acb73a294148e7e61a214bb0580c4065f0ece94a263764a4d74bebde15721f4b749a25668d3b6a404f37f3aed0b725eb45a1bcc979cdbe99
- SSDEEP 1536:i4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:iIdseIO+EZEyFjEOFqTiQmGnOHjzU
- MD5 SHA1 SHA512 SSDEEP