neconyd | eb99b1cd9e8a6f3af2b0d8cacbba0b5d1eb85d57797d8950a543ebbecf895793

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20250207-en
resource tags

arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
submitted
17/02/2025, 03:14

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General

Target

eb99b1cd9e8a6f3af2b0d8cacbba0b5d1eb85d57797d8950a543ebbecf895793N.exe
Size

134KB
MD5

eb59c001f373ac4b34189cb674096c40
SHA1

be962eb922113a3ce08b7f20c19d0608d386b51f
SHA256

eb99b1cd9e8a6f3af2b0d8cacbba0b5d1eb85d57797d8950a543ebbecf895793
SHA512

8f42dcf612823399326dd8e144f74feff30fab429831f23ee597bbe6df346ff2a2254997e33022d69e5d4d38bc2491e8641855c6a33ab3eeeb720b491d99b243
SSDEEP

1536:gDfDbhERTatPLTH0NqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwC7M:WiRTeH0NqAW6J6f1tqF6dngNmaZC7M

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
3372	omsecor.exe
1616	omsecor.exe
116	omsecor.exe
5024	omsecor.exe
1316	omsecor.exe
5068	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 3440 set thread context of 1564	3440	eb99b1cd9e8a6f3af2b0d8cacbba0b5d1eb85d57797d8950a543ebbecf895793N.exe	87
PID 3372 set thread context of 1616	3372	omsecor.exe	92
PID 116 set thread context of 5024	116	omsecor.exe	114
PID 1316 set thread context of 5068	1316	omsecor.exe	118

Program crash 4 IoCs

pid	pid_target	Process	procid_target
2868	3440	WerFault.exe	86
2600	3372	WerFault.exe	89
3612	116	WerFault.exe	113
3600	1316	WerFault.exe	116

System Location Discovery: System Language Discovery 1 TTPs 9 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	eb99b1cd9e8a6f3af2b0d8cacbba0b5d1eb85d57797d8950a543ebbecf895793N.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	eb99b1cd9e8a6f3af2b0d8cacbba0b5d1eb85d57797d8950a543ebbecf895793N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2544	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3440 wrote to memory of 1564	3440	eb99b1cd9e8a6f3af2b0d8cacbba0b5d1eb85d57797d8950a543ebbecf895793N.exe	87
PID 3440 wrote to memory of 1564	3440	eb99b1cd9e8a6f3af2b0d8cacbba0b5d1eb85d57797d8950a543ebbecf895793N.exe	87
PID 3440 wrote to memory of 1564	3440	eb99b1cd9e8a6f3af2b0d8cacbba0b5d1eb85d57797d8950a543ebbecf895793N.exe	87
PID 3440 wrote to memory of 1564	3440	eb99b1cd9e8a6f3af2b0d8cacbba0b5d1eb85d57797d8950a543ebbecf895793N.exe	87
PID 3440 wrote to memory of 1564	3440	eb99b1cd9e8a6f3af2b0d8cacbba0b5d1eb85d57797d8950a543ebbecf895793N.exe	87
PID 1564 wrote to memory of 3372	1564	eb99b1cd9e8a6f3af2b0d8cacbba0b5d1eb85d57797d8950a543ebbecf895793N.exe	89
PID 1564 wrote to memory of 3372	1564	eb99b1cd9e8a6f3af2b0d8cacbba0b5d1eb85d57797d8950a543ebbecf895793N.exe	89
PID 1564 wrote to memory of 3372	1564	eb99b1cd9e8a6f3af2b0d8cacbba0b5d1eb85d57797d8950a543ebbecf895793N.exe	89
PID 3372 wrote to memory of 1616	3372	omsecor.exe	92
PID 3372 wrote to memory of 1616	3372	omsecor.exe	92
PID 3372 wrote to memory of 1616	3372	omsecor.exe	92
PID 3372 wrote to memory of 1616	3372	omsecor.exe	92
PID 3372 wrote to memory of 1616	3372	omsecor.exe	92
PID 1616 wrote to memory of 116	1616	omsecor.exe	113
PID 1616 wrote to memory of 116	1616	omsecor.exe	113
PID 1616 wrote to memory of 116	1616	omsecor.exe	113
PID 116 wrote to memory of 5024	116	omsecor.exe	114
PID 116 wrote to memory of 5024	116	omsecor.exe	114
PID 116 wrote to memory of 5024	116	omsecor.exe	114
PID 116 wrote to memory of 5024	116	omsecor.exe	114
PID 116 wrote to memory of 5024	116	omsecor.exe	114
PID 5024 wrote to memory of 1316	5024	omsecor.exe	116
PID 5024 wrote to memory of 1316	5024	omsecor.exe	116
PID 5024 wrote to memory of 1316	5024	omsecor.exe	116
PID 1316 wrote to memory of 5068	1316	omsecor.exe	118
PID 1316 wrote to memory of 5068	1316	omsecor.exe	118
PID 1316 wrote to memory of 5068	1316	omsecor.exe	118
PID 1316 wrote to memory of 5068	1316	omsecor.exe	118
PID 1316 wrote to memory of 5068	1316	omsecor.exe	118

C:\Users\Admin\AppData\Local\Temp\eb99b1cd9e8a6f3af2b0d8cacbba0b5d1eb85d57797d8950a543ebbecf895793N.exe
"C:\Users\Admin\AppData\Local\Temp\eb99b1cd9e8a6f3af2b0d8cacbba0b5d1eb85d57797d8950a543ebbecf895793N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Users\Admin\AppData\Local\Temp\eb99b1cd9e8a6f3af2b0d8cacbba0b5d1eb85d57797d8950a543ebbecf895793N.exe
  C:\Users\Admin\AppData\Local\Temp\eb99b1cd9e8a6f3af2b0d8cacbba0b5d1eb85d57797d8950a543ebbecf895793N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1564
- - 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:3372
  - - 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:1616
    - - 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:116
      - 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:5024
        
        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:1316
        
        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:5068
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1316 -s 256
        8⤵
        Program crash
        
        PID:3600
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 116 -s 292
        6⤵
        Program crash
        
        PID:3612
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 288
      4⤵
      Program crash
      PID:2600
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 288
  2⤵
  - Program crash
  PID:2868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3440 -ip 3440
1⤵
PID:4008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3372 -ip 3372
1⤵
PID:3060

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI5IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY0MzMiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODc1OTU2NTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDQzOTQ2Mzc3Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 116 -ip 116
1⤵
PID:548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1316 -ip 1316
1⤵
PID:4248

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

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

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
dbcf2cc07805b849c4835ca616774d12

SHA1
07457e82616a85af17f083a422ee0a4d4b02f106

SHA256
04d4ff6d792c029a97caa532e442aa6efdeaea3e18ae967bfb8edbe995dbdea5

SHA512
af0f00fc29154eb8f7ca3e5aadbf4534860188d006875dad7f04fc22f0b640d4ab7f140b39f734dc0886cc519422c750d7518c8371272c82547e724c8271acf9

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

Filesize
134KB

MD5
f1f79e918a927383c6c28686e0eeb3a5

SHA1
0637aa6955b10556ef6b0de0e060a1356c83dc45

SHA256
c2815dd69d8d225390c8645204083aead0391e4b4c38a92b11cb52c8cac560dd

SHA512
573ccf93a3449f626241d86a668cc37efd84651192363d34d6fa15d3ed5573202de716a2b2fa7d58e80404a664def7084c399053f9edddd7304cbb6bcf01e43e

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

Filesize
134KB

MD5
5771a4d59a372f4e080809c031db9487

SHA1
4c01137a194472139d40bfc5e957e4cb982db9d4

SHA256
2594f122aad3ece451ce02c8402e6ff46e733b44e5219389d03520e4409dc002

SHA512
cae58527a64fce9bf9cffae2dd26bf70e90fa1a2b095a3a746c6fb319b92b637267a5182308b6bfb6940e6be87a4507e38058de0c565bba4e7a695cc19a72c85

Download Submit
memory/116-32-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/116-46-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1316-47-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1316-41-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1564-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1564-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1564-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1564-6-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1616-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1616-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1616-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1616-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1616-28-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1616-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1616-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3372-9-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3372-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3440-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3440-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5024-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5024-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5068-45-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5068-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download