neconyd | fa3247474797263213937c159008a160cfda3326bcd57d8fea2ff13121db9085

Analysis

max time kernel
146s
max time network
150s
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, 08:56

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General

Target

2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe
Size

134KB
MD5

a68e7eb94cc9de700743fc84a9c6c688
SHA1

0514d33b2fe7dd8038b285c38ea65b56753f78e6
SHA256

fa3247474797263213937c159008a160cfda3326bcd57d8fea2ff13121db9085
SHA512

1db66903e2d2b7b813dc3e6e9842b00f01d385120d584b4bd3416322dbc167479622eb195309b32bf8d40e89fbefaab594da321387924b904f35c08fd8fd285c
SSDEEP

1536:sDfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCi3:SiRTeH0iqAW6J6f1tqF6dngNmaZCiaI

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
5044	omsecor.exe
1880	omsecor.exe
5920	omsecor.exe
1576	omsecor.exe
540	omsecor.exe
4272	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 5264 set thread context of 5904	5264	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe	88
PID 5044 set thread context of 1880	5044	omsecor.exe	92
PID 5920 set thread context of 1576	5920	omsecor.exe	116
PID 540 set thread context of 4272	540	omsecor.exe	120

Program crash 4 IoCs

pid	pid_target	Process	procid_target
208	5044	WerFault.exe	91
5032	5264	WerFault.exe	87
4560	5920	WerFault.exe	115
1540	540	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_a68e7eb94cc9de700743fc84a9c6c688_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
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_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 5264 wrote to memory of 5904	5264	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe	88
PID 5264 wrote to memory of 5904	5264	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe	88
PID 5264 wrote to memory of 5904	5264	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe	88
PID 5264 wrote to memory of 5904	5264	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe	88
PID 5264 wrote to memory of 5904	5264	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe	88
PID 5904 wrote to memory of 5044	5904	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe	91
PID 5904 wrote to memory of 5044	5904	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe	91
PID 5904 wrote to memory of 5044	5904	2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe	91
PID 5044 wrote to memory of 1880	5044	omsecor.exe	92
PID 5044 wrote to memory of 1880	5044	omsecor.exe	92
PID 5044 wrote to memory of 1880	5044	omsecor.exe	92
PID 5044 wrote to memory of 1880	5044	omsecor.exe	92
PID 5044 wrote to memory of 1880	5044	omsecor.exe	92
PID 1880 wrote to memory of 5920	1880	omsecor.exe	115
PID 1880 wrote to memory of 5920	1880	omsecor.exe	115
PID 1880 wrote to memory of 5920	1880	omsecor.exe	115
PID 5920 wrote to memory of 1576	5920	omsecor.exe	116
PID 5920 wrote to memory of 1576	5920	omsecor.exe	116
PID 5920 wrote to memory of 1576	5920	omsecor.exe	116
PID 5920 wrote to memory of 1576	5920	omsecor.exe	116
PID 5920 wrote to memory of 1576	5920	omsecor.exe	116
PID 1576 wrote to memory of 540	1576	omsecor.exe	118
PID 1576 wrote to memory of 540	1576	omsecor.exe	118
PID 1576 wrote to memory of 540	1576	omsecor.exe	118
PID 540 wrote to memory of 4272	540	omsecor.exe	120
PID 540 wrote to memory of 4272	540	omsecor.exe	120
PID 540 wrote to memory of 4272	540	omsecor.exe	120
PID 540 wrote to memory of 4272	540	omsecor.exe	120
PID 540 wrote to memory of 4272	540	omsecor.exe	120

C:\Users\Admin\AppData\Local\Temp\2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5264
- C:\Users\Admin\AppData\Local\Temp\2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe
  C:\Users\Admin\AppData\Local\Temp\2025-04-06_a68e7eb94cc9de700743fc84a9c6c688_amadey_rhadamanthys_smoke-loader.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5904
- - 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:5044
  - - 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:1880
    - - 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:5920
      - 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:1576
        
        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:540
        
        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:4272
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 260
        8⤵
        Program crash
        
        PID:1540
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5920 -s 292
        6⤵
        Program crash
        
        PID:4560
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 288
      4⤵
      Program crash
      PID:208
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5264 -s 292
  2⤵
  - Program crash
  PID:5032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5264 -ip 5264
1⤵
PID:3968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 5044 -ip 5044
1⤵
PID:2892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5920 -ip 5920
1⤵
PID:736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 540 -ip 540
1⤵
PID:1484

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
26c97fac693b64e880941c516ebb2400

SHA1
668a7a57b12b48ecc1e4b316ec4435d05154da57

SHA256
613f68a7e1c0787e85cb03ac298818a3c1363018d9af5e24737e5c3003b3fbc7

SHA512
18edd2237e3fb12438d66f85ddb6b8bf454cfe8166a00beb55fe889d1881f18be40d97dce2a52540cce2d981e8e8ef80593fa50c2ef62ce5140035de073f059b

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

Filesize
134KB

MD5
ed2af1bc1226f28bb6a8626602635153

SHA1
0ec8287ebb6a072487bec9974dfc17f3886d44e0

SHA256
7d232dfd9429717d046a2a8d7040fddf5154949c54dab2423ca8699b71356f58

SHA512
b074249ab17f183976d8da9a2961a12bf77a421921fc09aafd96435552fa8fa64cf9ca1a8aa05df42a1b1e205a63be2e51b103ebb6737b696a9248d3f0e723e3

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

Filesize
134KB

MD5
74ff2b924be0e21c51ded903eca5c68c

SHA1
f9e9ee2459b67b1d934d9f1ef0cca69539d2ab16

SHA256
77db53e673446775450ffdfdb0a19dcbb7401fc41862687a40670a421088fc9e

SHA512
503bb2b4081a61996c8c9e1efbb565b96cfea58565654ffd81a466bfc38fb6d10a8dd68b402b444cbe759cfe8ddb0cdb45768a1ecf32bb9f34a798faf2784832

Download Submit
memory/540-50-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/540-43-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1576-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1576-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1576-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1880-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1880-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1880-29-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1880-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1880-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1880-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1880-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4272-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4272-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4272-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4272-51-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5044-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5044-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5264-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5264-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5904-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5904-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5904-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5904-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5920-30-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5920-49-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download