neconyd | 01e054d2ebfe1d081e04db8d37225d68e463115911323c309ec8f6f4312056b5

Analysis

max time kernel
147s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20250313-en
resource tags

arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
submitted
06/04/2025, 21:14

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General

Target

2025-04-06_5a05a07ec79fa7c837682e7c7d7c74fd_amadey_rhadamanthys_smoke-loader.exe
Size

134KB
MD5

5a05a07ec79fa7c837682e7c7d7c74fd
SHA1

33ca9c1ab118729564f2d43ff9b5a51a328290be
SHA256

01e054d2ebfe1d081e04db8d37225d68e463115911323c309ec8f6f4312056b5
SHA512

24d6f951441edb11cf8b017d51114ef4998218a217e53cf89f94787063e380a14282da70919c765aef67aa43858240002cbf105d58fb572d1544e52b38a39d27
SSDEEP

1536:+DfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCia:giRTeH0iqAW6J6f1tqF6dngNmaZCia

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
452	omsecor.exe
2644	omsecor.exe
4484	omsecor.exe
5720	omsecor.exe
1236	omsecor.exe
4304	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 2352 set thread context of 2972	2352	2025-04-06_5a05a07ec79fa7c837682e7c7d7c74fd_amadey_rhadamanthys_smoke-loader.exe	87
PID 452 set thread context of 2644	452	omsecor.exe	92
PID 4484 set thread context of 5720	4484	omsecor.exe	116
PID 1236 set thread context of 4304	1236	omsecor.exe	120

Program crash 4 IoCs

pid	pid_target	Process	procid_target
6128	2352	WerFault.exe	86
5736	452	WerFault.exe	90
4420	4484	WerFault.exe	115
3660	1236	WerFault.exe	118

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	2025-04-06_5a05a07ec79fa7c837682e7c7d7c74fd_amadey_rhadamanthys_smoke-loader.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	2025-04-06_5a05a07ec79fa7c837682e7c7d7c74fd_amadey_rhadamanthys_smoke-loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 2972	2352	2025-04-06_5a05a07ec79fa7c837682e7c7d7c74fd_amadey_rhadamanthys_smoke-loader.exe	87
PID 2352 wrote to memory of 2972	2352	2025-04-06_5a05a07ec79fa7c837682e7c7d7c74fd_amadey_rhadamanthys_smoke-loader.exe	87
PID 2352 wrote to memory of 2972	2352	2025-04-06_5a05a07ec79fa7c837682e7c7d7c74fd_amadey_rhadamanthys_smoke-loader.exe	87
PID 2352 wrote to memory of 2972	2352	2025-04-06_5a05a07ec79fa7c837682e7c7d7c74fd_amadey_rhadamanthys_smoke-loader.exe	87
PID 2352 wrote to memory of 2972	2352	2025-04-06_5a05a07ec79fa7c837682e7c7d7c74fd_amadey_rhadamanthys_smoke-loader.exe	87
PID 2972 wrote to memory of 452	2972	2025-04-06_5a05a07ec79fa7c837682e7c7d7c74fd_amadey_rhadamanthys_smoke-loader.exe	90
PID 2972 wrote to memory of 452	2972	2025-04-06_5a05a07ec79fa7c837682e7c7d7c74fd_amadey_rhadamanthys_smoke-loader.exe	90
PID 2972 wrote to memory of 452	2972	2025-04-06_5a05a07ec79fa7c837682e7c7d7c74fd_amadey_rhadamanthys_smoke-loader.exe	90
PID 452 wrote to memory of 2644	452	omsecor.exe	92
PID 452 wrote to memory of 2644	452	omsecor.exe	92
PID 452 wrote to memory of 2644	452	omsecor.exe	92
PID 452 wrote to memory of 2644	452	omsecor.exe	92
PID 452 wrote to memory of 2644	452	omsecor.exe	92
PID 2644 wrote to memory of 4484	2644	omsecor.exe	115
PID 2644 wrote to memory of 4484	2644	omsecor.exe	115
PID 2644 wrote to memory of 4484	2644	omsecor.exe	115
PID 4484 wrote to memory of 5720	4484	omsecor.exe	116
PID 4484 wrote to memory of 5720	4484	omsecor.exe	116
PID 4484 wrote to memory of 5720	4484	omsecor.exe	116
PID 4484 wrote to memory of 5720	4484	omsecor.exe	116
PID 4484 wrote to memory of 5720	4484	omsecor.exe	116
PID 5720 wrote to memory of 1236	5720	omsecor.exe	118
PID 5720 wrote to memory of 1236	5720	omsecor.exe	118
PID 5720 wrote to memory of 1236	5720	omsecor.exe	118
PID 1236 wrote to memory of 4304	1236	omsecor.exe	120
PID 1236 wrote to memory of 4304	1236	omsecor.exe	120
PID 1236 wrote to memory of 4304	1236	omsecor.exe	120
PID 1236 wrote to memory of 4304	1236	omsecor.exe	120
PID 1236 wrote to memory of 4304	1236	omsecor.exe	120

C:\Users\Admin\AppData\Local\Temp\2025-04-06_5a05a07ec79fa7c837682e7c7d7c74fd_amadey_rhadamanthys_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-06_5a05a07ec79fa7c837682e7c7d7c74fd_amadey_rhadamanthys_smoke-loader.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Users\Admin\AppData\Local\Temp\2025-04-06_5a05a07ec79fa7c837682e7c7d7c74fd_amadey_rhadamanthys_smoke-loader.exe
  C:\Users\Admin\AppData\Local\Temp\2025-04-06_5a05a07ec79fa7c837682e7c7d7c74fd_amadey_rhadamanthys_smoke-loader.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2972
- - 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:452
  - - 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:2644
    - - 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:4484
      - 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:5720
        
        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:1236
        
        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:4304
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1236 -s 268
        8⤵
        Program crash
        
        PID:3660
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4484 -s 300
        6⤵
        Program crash
        
        PID:4420
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 452 -s 300
      4⤵
      Program crash
      PID:5736
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 288
  2⤵
  - Program crash
  PID:6128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2352 -ip 2352
1⤵
PID:3660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 452 -ip 452
1⤵
PID:6104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4484 -ip 4484
1⤵
PID:4028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1236 -ip 1236
1⤵
PID:228

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
2c67019f5e7a93adc4d2033b9d2a5dfc

SHA1
80b45aa958aa894a408f2f662e935347c85606db

SHA256
d969b7cc2bdf2e1f23db3c81e6e02153efea9435c298cdf81911369bd2b55d65

SHA512
088f1dd4814431749c33665a00d8820a6e8a8676e8f85b813ec431b04eeb0efd37395a77fdeb5450df047119e437ace7c3cc36630411f22ee3ee0288ded26ead

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

Filesize
134KB

MD5
860b66decca8923aaa7efd2898372ad0

SHA1
d26c180641cd2b93e10de4d56c8acb660ecea71e

SHA256
e881ae43ee8e84924bbe87f41783f9406cbb2ec12c923ede7fb14719e83c01ef

SHA512
0c436e048e0fb0b76011685a30260331f646cebe0f8a60e5f27d60e46d4a884d10cdd7608c9459ab10bd04a3901c3ebd15b8cdb00a8b2c11f771413797f01659

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

Filesize
134KB

MD5
260bcb3e2061eb3ddb1b8d29fd4aa488

SHA1
395972836f5ea71ffefdedb8edb4ff7c2a3ee837

SHA256
77a45c4d79d1b753e8222dfcc53831e096582017ebfdc1abdc2b8300d4b8537f

SHA512
c792b1a6a7d4606cf54831f2ebcf0c0ffeab634cff02cc89c93f0515c2c2f2abfd9ecaf104c0e237a87e11082338bad210ccfa5ab2eeac5fb4384d3010c02d8a

Download Submit
memory/452-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/452-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1236-52-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1236-45-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2352-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2352-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2644-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2644-32-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2644-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2644-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2644-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2644-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2644-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2972-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2972-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2972-6-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2972-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4304-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4304-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4304-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4304-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4484-34-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4484-51-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5720-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5720-42-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5720-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download