neconyd | 351a74f471e88e187fa7e93e10de54e6c9d839a19da970b3ef097b86113e2fed

Analysis

max time kernel
146s
max time network
147s
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, 21:11

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General

Target

2025-04-06_554f3d19271ede9e879b46bf17a167ff_amadey_rhadamanthys_smoke-loader.exe
Size

134KB
MD5

554f3d19271ede9e879b46bf17a167ff
SHA1

5804cdc3840e56e588725853a59b1d81ed662834
SHA256

351a74f471e88e187fa7e93e10de54e6c9d839a19da970b3ef097b86113e2fed
SHA512

e6bb1747ae9742ad582c6ed9c2362c730d51fcb168529a1a2b70487c3b365b81f35ac8524d25c871ee7513e50fab46178aa421805a3e96bd92e1ac872cde0b1e
SSDEEP

1536:7DfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCia:3iRTeH0iqAW6J6f1tqF6dngNmaZCia

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
4352	omsecor.exe
3720	omsecor.exe
1796	omsecor.exe
4124	omsecor.exe
5652	omsecor.exe
3800	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 3716 set thread context of 5600	3716	2025-04-06_554f3d19271ede9e879b46bf17a167ff_amadey_rhadamanthys_smoke-loader.exe	86
PID 4352 set thread context of 3720	4352	omsecor.exe	91
PID 1796 set thread context of 4124	1796	omsecor.exe	115
PID 5652 set thread context of 3800	5652	omsecor.exe	119

Program crash 4 IoCs

pid	pid_target	Process	procid_target
5760	3716	WerFault.exe	85
4168	4352	WerFault.exe	88
5656	1796	WerFault.exe	114
5772	5652	WerFault.exe	117

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_554f3d19271ede9e879b46bf17a167ff_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_554f3d19271ede9e879b46bf17a167ff_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 3716 wrote to memory of 5600	3716	2025-04-06_554f3d19271ede9e879b46bf17a167ff_amadey_rhadamanthys_smoke-loader.exe	86
PID 3716 wrote to memory of 5600	3716	2025-04-06_554f3d19271ede9e879b46bf17a167ff_amadey_rhadamanthys_smoke-loader.exe	86
PID 3716 wrote to memory of 5600	3716	2025-04-06_554f3d19271ede9e879b46bf17a167ff_amadey_rhadamanthys_smoke-loader.exe	86
PID 3716 wrote to memory of 5600	3716	2025-04-06_554f3d19271ede9e879b46bf17a167ff_amadey_rhadamanthys_smoke-loader.exe	86
PID 3716 wrote to memory of 5600	3716	2025-04-06_554f3d19271ede9e879b46bf17a167ff_amadey_rhadamanthys_smoke-loader.exe	86
PID 5600 wrote to memory of 4352	5600	2025-04-06_554f3d19271ede9e879b46bf17a167ff_amadey_rhadamanthys_smoke-loader.exe	88
PID 5600 wrote to memory of 4352	5600	2025-04-06_554f3d19271ede9e879b46bf17a167ff_amadey_rhadamanthys_smoke-loader.exe	88
PID 5600 wrote to memory of 4352	5600	2025-04-06_554f3d19271ede9e879b46bf17a167ff_amadey_rhadamanthys_smoke-loader.exe	88
PID 4352 wrote to memory of 3720	4352	omsecor.exe	91
PID 4352 wrote to memory of 3720	4352	omsecor.exe	91
PID 4352 wrote to memory of 3720	4352	omsecor.exe	91
PID 4352 wrote to memory of 3720	4352	omsecor.exe	91
PID 4352 wrote to memory of 3720	4352	omsecor.exe	91
PID 3720 wrote to memory of 1796	3720	omsecor.exe	114
PID 3720 wrote to memory of 1796	3720	omsecor.exe	114
PID 3720 wrote to memory of 1796	3720	omsecor.exe	114
PID 1796 wrote to memory of 4124	1796	omsecor.exe	115
PID 1796 wrote to memory of 4124	1796	omsecor.exe	115
PID 1796 wrote to memory of 4124	1796	omsecor.exe	115
PID 1796 wrote to memory of 4124	1796	omsecor.exe	115
PID 1796 wrote to memory of 4124	1796	omsecor.exe	115
PID 4124 wrote to memory of 5652	4124	omsecor.exe	117
PID 4124 wrote to memory of 5652	4124	omsecor.exe	117
PID 4124 wrote to memory of 5652	4124	omsecor.exe	117
PID 5652 wrote to memory of 3800	5652	omsecor.exe	119
PID 5652 wrote to memory of 3800	5652	omsecor.exe	119
PID 5652 wrote to memory of 3800	5652	omsecor.exe	119
PID 5652 wrote to memory of 3800	5652	omsecor.exe	119
PID 5652 wrote to memory of 3800	5652	omsecor.exe	119

C:\Users\Admin\AppData\Local\Temp\2025-04-06_554f3d19271ede9e879b46bf17a167ff_amadey_rhadamanthys_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-06_554f3d19271ede9e879b46bf17a167ff_amadey_rhadamanthys_smoke-loader.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3716
- C:\Users\Admin\AppData\Local\Temp\2025-04-06_554f3d19271ede9e879b46bf17a167ff_amadey_rhadamanthys_smoke-loader.exe
  C:\Users\Admin\AppData\Local\Temp\2025-04-06_554f3d19271ede9e879b46bf17a167ff_amadey_rhadamanthys_smoke-loader.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5600
- - 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:4352
  - - 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:3720
    - - 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:1796
      - 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:4124
        
        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:5652
        
        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:3800
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5652 -s 268
        8⤵
        Program crash
        
        PID:5772
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1796 -s 292
        6⤵
        Program crash
        
        PID:5656
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4352 -s 300
      4⤵
      Program crash
      PID:4168
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3716 -s 300
  2⤵
  - Program crash
  PID:5760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3716 -ip 3716
1⤵
PID:5400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4352 -ip 4352
1⤵
PID:5800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1796 -ip 1796
1⤵
PID:5408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 5652 -ip 5652
1⤵
PID:4376

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
2b4d4e05296cadf8d071e60b02901955

SHA1
3977004eb75253f02b5d73e2b1653d450fb64b45

SHA256
08df7e06bcc14c53ec5e798dc99e0ee2db619981e9b11e92865017a55fa3357e

SHA512
fd310bcb5df16004dea248d9efd748bd48096f70288bd8dd484d5a0248a15d71b7437536efaa0f065c88f85db18f11d4e0f25c1bd384fa51ad2ea586b05ccfa4

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

Filesize
134KB

MD5
34f19885a7cd8047214613decc2264bf

SHA1
5335aa189b60c9daf38ee883600735a52a60b4fa

SHA256
fa791b326b2e15be721c6ee7bdb87db310c59fbdf3faf5c2874cedb604858278

SHA512
7f3a6d3ef51dc2da86f24a408e28d91c554f58b9c6b1b7db49110520db2e08a30a4f2247464bf11b2f849c5d11e596c586163180e6585659017914adaa0350d4

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

Filesize
134KB

MD5
d18275a88f37da6152c89a12fa2741ee

SHA1
8224839864884b6ac91870c3d7cb7d26075fe1b0

SHA256
7a12a125085b30b2d411891c8d444672a6fe6a16cd4db5f867e843487d9061fe

SHA512
d074489d7daab1afa7635478a8009d07a5dc5e8368e037258229fac3d0ab180171a6cf362fb1e196b514b8c0286c81290f55802b180f11d23ba44355bac8e989

Download Submit
memory/1796-51-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1796-34-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3716-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3716-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3720-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3720-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3720-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3720-32-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3720-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3720-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3720-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3800-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3800-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3800-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3800-52-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4124-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4124-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4124-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4352-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4352-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5600-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5600-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5600-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5600-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5652-45-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download