neconyd | 93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21

Analysis

max time kernel
146s
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
10-01-2025 04:32

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General

Target

93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe
Size

134KB
MD5

dc35c9d2c141e65a01fed54e5f4b06fb
SHA1

87b929eb932881f275296c2c8c4bf456613a85bf
SHA256

93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21
SHA512

878ce2e60ea0516fa51109eaf17b561499eb77c8e927c7ea5912a85f6e552aa3c0d75addaf27af5b20c89b7d812b4588076199a409b14c977c96724d71e9c997
SSDEEP

1536:XDfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCid:ziRTeH0iqAW6J6f1tqF6dngNmaZCiaI

Score

10^/10

neconyd discovery trojan

Malware Config

Extracted

Family

neconyd

http://ow5dirasuek.com/

http://mkkuei4kdsz.com/

http://lousta.net/

Signatures

Neconyd
Neconyd is a trojan written in C++.
trojan neconyd
Neconyd family
neconyd

Executes dropped EXE 6 IoCs

pid	Process
1180	omsecor.exe
1796	omsecor.exe
3216	omsecor.exe
2360	omsecor.exe
3640	omsecor.exe
2452	omsecor.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\omsecor.exe	omsecor.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1068 set thread context of 3616	1068	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe	84
PID 1180 set thread context of 1796	1180	omsecor.exe	88
PID 3216 set thread context of 2360	3216	omsecor.exe	102
PID 3640 set thread context of 2452	3640	omsecor.exe	106

Program crash 4 IoCs

pid	pid_target	Process	procid_target
856	1068	WerFault.exe	83
1880	1180	WerFault.exe	86
2112	3216	WerFault.exe	101
4900	3640	WerFault.exe	104

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.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 29 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 3616	1068	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe	84
PID 1068 wrote to memory of 3616	1068	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe	84
PID 1068 wrote to memory of 3616	1068	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe	84
PID 1068 wrote to memory of 3616	1068	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe	84
PID 1068 wrote to memory of 3616	1068	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe	84
PID 3616 wrote to memory of 1180	3616	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe	86
PID 3616 wrote to memory of 1180	3616	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe	86
PID 3616 wrote to memory of 1180	3616	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe	86
PID 1180 wrote to memory of 1796	1180	omsecor.exe	88
PID 1180 wrote to memory of 1796	1180	omsecor.exe	88
PID 1180 wrote to memory of 1796	1180	omsecor.exe	88
PID 1180 wrote to memory of 1796	1180	omsecor.exe	88
PID 1180 wrote to memory of 1796	1180	omsecor.exe	88
PID 1796 wrote to memory of 3216	1796	omsecor.exe	101
PID 1796 wrote to memory of 3216	1796	omsecor.exe	101
PID 1796 wrote to memory of 3216	1796	omsecor.exe	101
PID 3216 wrote to memory of 2360	3216	omsecor.exe	102
PID 3216 wrote to memory of 2360	3216	omsecor.exe	102
PID 3216 wrote to memory of 2360	3216	omsecor.exe	102
PID 3216 wrote to memory of 2360	3216	omsecor.exe	102
PID 3216 wrote to memory of 2360	3216	omsecor.exe	102
PID 2360 wrote to memory of 3640	2360	omsecor.exe	104
PID 2360 wrote to memory of 3640	2360	omsecor.exe	104
PID 2360 wrote to memory of 3640	2360	omsecor.exe	104
PID 3640 wrote to memory of 2452	3640	omsecor.exe	106
PID 3640 wrote to memory of 2452	3640	omsecor.exe	106
PID 3640 wrote to memory of 2452	3640	omsecor.exe	106
PID 3640 wrote to memory of 2452	3640	omsecor.exe	106
PID 3640 wrote to memory of 2452	3640	omsecor.exe	106

C:\Users\Admin\AppData\Local\Temp\93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe
"C:\Users\Admin\AppData\Local\Temp\93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1068
- C:\Users\Admin\AppData\Local\Temp\93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe
  C:\Users\Admin\AppData\Local\Temp\93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3616
- - C:\Users\Admin\AppData\Roaming\omsecor.exe
    C:\Users\Admin\AppData\Roaming\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1180
  - - C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:1796
    - - C:\Windows\SysWOW64\omsecor.exe
        
        C:\Windows\System32\omsecor.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3216
      - C:\Windows\SysWOW64\omsecor.exe
        
        C:\Windows\SysWOW64\omsecor.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2360
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        7⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3640
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        8⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2452
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 268
        8⤵
        Program crash
        
        PID:4900
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 292
        6⤵
        Program crash
        
        PID:2112
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 288
      4⤵
      Program crash
      PID:1880
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1068 -s 284
  2⤵
  - Program crash
  PID:856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1068 -ip 1068
1⤵
PID:2192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1180 -ip 1180
1⤵
PID:5060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 3216 -ip 3216
1⤵
PID:1132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3640 -ip 3640
1⤵
PID:4764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\omsecor.exe

Filesize
134KB

MD5
252d750edc02fceae80bbed537f2957e

SHA1
7a7e9062364230d6d7e81579a05461df82e6fe4b

SHA256
7eb05e5b79c18b750898adc1bf72d381d472252c6b4f47571f5345d7b21e65c8

SHA512
8a52cb1665e2c93a43d1f128c96e72fbb1ab41bebad908c42ad73c7b9e13eeed4d3c2072af1d875bf2aed2868542bba09c5f99f20be5e31d0e10bebcd1134db5

Download Submit
C:\Users\Admin\AppData\Roaming\omsecor.exe

Filesize
134KB

MD5
2019304045626d7fb3b549ee493db083

SHA1
b193f0ff08ab3c0b453b856ae9e1437f9536b247

SHA256
15e7173a479d16baf8f393306d01ed69253712e264be71032ddbf8e1f3a7adc4

SHA512
3fd5ba8ad2e71498125a58945d0027afec0752926d83adb6a0c3908f21f0902099c0da4cde3efd693afc19456466f5d8b1d41d02a23e0b60a675a473aebd8b60

Download Submit
C:\Windows\SysWOW64\omsecor.exe

Filesize
134KB

MD5
b4b8eb9f99bf473c27f6c173e34e16f9

SHA1
24cc21c6a932c734a1d4e6d092e936351dd67654

SHA256
5233689d09f0d7ee59afe57a7149448f40f039a8af25fa860a6d4f07a6945c0e

SHA512
496ce52e6a408c37bd8f92be26a9e52a451e3cdb2724872bfd792c472114f6dcec0a10e52258df7ac40b9e2f4e71b4cfc7580866e6d787ff688961aa45dfd883

Download Submit
memory/1068-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1068-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1180-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1796-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1796-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1796-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1796-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1796-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1796-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1796-31-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2360-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2360-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2360-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2452-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2452-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2452-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2452-52-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3216-32-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3616-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3616-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3616-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3616-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3640-42-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download