neconyd | 0cabd97389287b1c6b04ad471fd5c256a53650ca7a4fe4e6c4a8cb1b81c4a2b9

Analysis

max time kernel
145s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
06/04/2025, 20:56

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General

Target

2025-04-06_28b4fdfa3417604c4d9c32ecf4f7d464_amadey_rhadamanthys_smoke-loader.exe
Size

134KB
MD5

28b4fdfa3417604c4d9c32ecf4f7d464
SHA1

fb13169b499148e76d6a6e9e3caa98bab573f5cb
SHA256

0cabd97389287b1c6b04ad471fd5c256a53650ca7a4fe4e6c4a8cb1b81c4a2b9
SHA512

b0c758c17ae83a070bde67fa086fbb7b1ff823c989a7717bc9ed492ac6ae1c373ec0ad1992cff56d1cf93f2652ab24302c0b9edc2a3058e4d8ecb2e209b4d4bb
SSDEEP

1536:CDfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCiP:0iRTeH0iqAW6J6f1tqF6dngNmaZCiaI

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
4156	omsecor.exe
4024	omsecor.exe
448	omsecor.exe
2872	omsecor.exe
3428	omsecor.exe
4148	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 5864 set thread context of 2664	5864	2025-04-06_28b4fdfa3417604c4d9c32ecf4f7d464_amadey_rhadamanthys_smoke-loader.exe	87
PID 4156 set thread context of 4024	4156	omsecor.exe	92
PID 448 set thread context of 2872	448	omsecor.exe	116
PID 3428 set thread context of 4148	3428	omsecor.exe	120

Program crash 4 IoCs

pid	pid_target	Process	procid_target
5376	5864	WerFault.exe	86
3792	4156	WerFault.exe	90
3624	448	WerFault.exe	115
2300	3428	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	2025-04-06_28b4fdfa3417604c4d9c32ecf4f7d464_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_28b4fdfa3417604c4d9c32ecf4f7d464_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	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 5864 wrote to memory of 2664	5864	2025-04-06_28b4fdfa3417604c4d9c32ecf4f7d464_amadey_rhadamanthys_smoke-loader.exe	87
PID 5864 wrote to memory of 2664	5864	2025-04-06_28b4fdfa3417604c4d9c32ecf4f7d464_amadey_rhadamanthys_smoke-loader.exe	87
PID 5864 wrote to memory of 2664	5864	2025-04-06_28b4fdfa3417604c4d9c32ecf4f7d464_amadey_rhadamanthys_smoke-loader.exe	87
PID 5864 wrote to memory of 2664	5864	2025-04-06_28b4fdfa3417604c4d9c32ecf4f7d464_amadey_rhadamanthys_smoke-loader.exe	87
PID 5864 wrote to memory of 2664	5864	2025-04-06_28b4fdfa3417604c4d9c32ecf4f7d464_amadey_rhadamanthys_smoke-loader.exe	87
PID 2664 wrote to memory of 4156	2664	2025-04-06_28b4fdfa3417604c4d9c32ecf4f7d464_amadey_rhadamanthys_smoke-loader.exe	90
PID 2664 wrote to memory of 4156	2664	2025-04-06_28b4fdfa3417604c4d9c32ecf4f7d464_amadey_rhadamanthys_smoke-loader.exe	90
PID 2664 wrote to memory of 4156	2664	2025-04-06_28b4fdfa3417604c4d9c32ecf4f7d464_amadey_rhadamanthys_smoke-loader.exe	90
PID 4156 wrote to memory of 4024	4156	omsecor.exe	92
PID 4156 wrote to memory of 4024	4156	omsecor.exe	92
PID 4156 wrote to memory of 4024	4156	omsecor.exe	92
PID 4156 wrote to memory of 4024	4156	omsecor.exe	92
PID 4156 wrote to memory of 4024	4156	omsecor.exe	92
PID 4024 wrote to memory of 448	4024	omsecor.exe	115
PID 4024 wrote to memory of 448	4024	omsecor.exe	115
PID 4024 wrote to memory of 448	4024	omsecor.exe	115
PID 448 wrote to memory of 2872	448	omsecor.exe	116
PID 448 wrote to memory of 2872	448	omsecor.exe	116
PID 448 wrote to memory of 2872	448	omsecor.exe	116
PID 448 wrote to memory of 2872	448	omsecor.exe	116
PID 448 wrote to memory of 2872	448	omsecor.exe	116
PID 2872 wrote to memory of 3428	2872	omsecor.exe	118
PID 2872 wrote to memory of 3428	2872	omsecor.exe	118
PID 2872 wrote to memory of 3428	2872	omsecor.exe	118
PID 3428 wrote to memory of 4148	3428	omsecor.exe	120
PID 3428 wrote to memory of 4148	3428	omsecor.exe	120
PID 3428 wrote to memory of 4148	3428	omsecor.exe	120
PID 3428 wrote to memory of 4148	3428	omsecor.exe	120
PID 3428 wrote to memory of 4148	3428	omsecor.exe	120

C:\Users\Admin\AppData\Local\Temp\2025-04-06_28b4fdfa3417604c4d9c32ecf4f7d464_amadey_rhadamanthys_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-06_28b4fdfa3417604c4d9c32ecf4f7d464_amadey_rhadamanthys_smoke-loader.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5864
- C:\Users\Admin\AppData\Local\Temp\2025-04-06_28b4fdfa3417604c4d9c32ecf4f7d464_amadey_rhadamanthys_smoke-loader.exe
  C:\Users\Admin\AppData\Local\Temp\2025-04-06_28b4fdfa3417604c4d9c32ecf4f7d464_amadey_rhadamanthys_smoke-loader.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2664
- - 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:4156
  - - 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:4024
    - - 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:448
      - 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:2872
        
        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:3428
        
        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:4148
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 240
        8⤵
        Program crash
        
        PID:2300
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 448 -s 292
        6⤵
        Program crash
        
        PID:3624
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4156 -s 288
      4⤵
      Program crash
      PID:3792
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5864 -s 288
  2⤵
  - Program crash
  PID:5376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5864 -ip 5864
1⤵
PID:4012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4156 -ip 4156
1⤵
PID:5628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 448 -ip 448
1⤵
PID:5784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 3428 -ip 3428
1⤵
PID:4372

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
ef12a0eee4e506479e9ec972758cc0a3

SHA1
51a33b588a36e94cca5756eaca4177f3fc791368

SHA256
77d99691d61ab441bd9d8c1e0612a21dbca325532d16ee9a32e0678012f926a2

SHA512
3568caaaf28559546c5a7837d236657d0ac6eced7c7a278124a71713075d259f2979e738dda1bd1705db463debe523359b01d78bd0c5d1ba890e528a68dde085

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

Filesize
134KB

MD5
fbca5b2d403263c8584dd0c39c1a0181

SHA1
2f210443d2c3adebce076e8bb24c73f148b916fa

SHA256
222a222a3447913526eef4f8ff28d1b855201df3b8209d18507d70c8a6f86df0

SHA512
bc4ed3c02d62c62c3ae2346829500a3efb632490ae012e7b123cadb47acbdc467b5a22454fbbe689ebb948a2bd25f86a39a4fe10cdfa1206361e1ad152893939

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

Filesize
134KB

MD5
a602009db2f42405b87418c39e9a73e3

SHA1
59a8f9d967a909904a917e3428f0ae4ca2878ceb

SHA256
d2a03b005598e415351317bf7bed0d762b35c40c19b1b47b85ad0877f9b13cf7

SHA512
e680b33115d6e0130f7a482b505273755615f1b9ac8804c786a5221483d3d8330e4580d2802760fe8d8d66b9b09d7000cf25ab1538b61939379341f828c32d97

Download Submit
memory/448-33-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/448-51-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2664-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2664-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2664-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2664-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2872-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2872-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2872-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3428-45-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4024-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4024-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4024-31-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4024-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4024-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4024-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4024-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4148-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4148-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4148-52-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4148-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4156-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4156-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5864-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5864-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download