neconyd | 2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842

Analysis

max time kernel
146s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2025, 22:13

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General

Target

2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe
Size

96KB
MD5

935034ed710c7393ffc572c5f46674cd
SHA1

0d5e36171d8491af625a580969badcb4805c62fb
SHA256

2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842
SHA512

cbaba63a8b020aa64318c7c78b07d5d6c242b97a6c229c26676b64c6f8298208d7c61ea577b8a3fec5f1505b965b886d09cf149ec6c13ddeccab0a375cdf50f1
SSDEEP

1536:lnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxb:lGs8cd8eXlYairZYqMddH13b

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
4400	omsecor.exe
2828	omsecor.exe
1348	omsecor.exe
4760	omsecor.exe
744	omsecor.exe
3080	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 1048 set thread context of 4040	1048	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe	83
PID 4400 set thread context of 2828	4400	omsecor.exe	88
PID 1348 set thread context of 4760	1348	omsecor.exe	108
PID 744 set thread context of 3080	744	omsecor.exe	112

Program crash 4 IoCs

pid	pid_target	Process	procid_target
2180	1048	WerFault.exe	82
4676	4400	WerFault.exe	85
3944	1348	WerFault.exe	107
1328	744	WerFault.exe	110

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	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.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

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 4040	1048	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe	83
PID 1048 wrote to memory of 4040	1048	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe	83
PID 1048 wrote to memory of 4040	1048	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe	83
PID 1048 wrote to memory of 4040	1048	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe	83
PID 1048 wrote to memory of 4040	1048	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe	83
PID 4040 wrote to memory of 4400	4040	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe	85
PID 4040 wrote to memory of 4400	4040	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe	85
PID 4040 wrote to memory of 4400	4040	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe	85
PID 4400 wrote to memory of 2828	4400	omsecor.exe	88
PID 4400 wrote to memory of 2828	4400	omsecor.exe	88
PID 4400 wrote to memory of 2828	4400	omsecor.exe	88
PID 4400 wrote to memory of 2828	4400	omsecor.exe	88
PID 4400 wrote to memory of 2828	4400	omsecor.exe	88
PID 2828 wrote to memory of 1348	2828	omsecor.exe	107
PID 2828 wrote to memory of 1348	2828	omsecor.exe	107
PID 2828 wrote to memory of 1348	2828	omsecor.exe	107
PID 1348 wrote to memory of 4760	1348	omsecor.exe	108
PID 1348 wrote to memory of 4760	1348	omsecor.exe	108
PID 1348 wrote to memory of 4760	1348	omsecor.exe	108
PID 1348 wrote to memory of 4760	1348	omsecor.exe	108
PID 1348 wrote to memory of 4760	1348	omsecor.exe	108
PID 4760 wrote to memory of 744	4760	omsecor.exe	110
PID 4760 wrote to memory of 744	4760	omsecor.exe	110
PID 4760 wrote to memory of 744	4760	omsecor.exe	110
PID 744 wrote to memory of 3080	744	omsecor.exe	112
PID 744 wrote to memory of 3080	744	omsecor.exe	112
PID 744 wrote to memory of 3080	744	omsecor.exe	112
PID 744 wrote to memory of 3080	744	omsecor.exe	112
PID 744 wrote to memory of 3080	744	omsecor.exe	112

C:\Users\Admin\AppData\Local\Temp\2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe
"C:\Users\Admin\AppData\Local\Temp\2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Users\Admin\AppData\Local\Temp\2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe
  C:\Users\Admin\AppData\Local\Temp\2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4040
- - 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:4400
  - - 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:2828
    - - 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:1348
      - 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:4760
        
        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:744
        
        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:3080
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 744 -s 256
        8⤵
        Program crash
        
        PID:1328
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1348 -s 304
        6⤵
        Program crash
        
        PID:3944
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 288
      4⤵
      Program crash
      PID:4676
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 300
  2⤵
  - Program crash
  PID:2180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1048 -ip 1048
1⤵
PID:4188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4400 -ip 4400
1⤵
PID:4592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1348 -ip 1348
1⤵
PID:2776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 744 -ip 744
1⤵
PID:2180

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
96KB

MD5
5f658f5355c4033a7f122251f5b91fed

SHA1
8500e50264f1135c0d2ffffb3397234a7feb94f1

SHA256
f9a807d51abfcaf82caa327c10a6fd996221f7ceae4d63c66c8be5ec8fe5fe5e

SHA512
954e2c4191ec6467adc9dd522aab369d2df26928e42abce8d3be9e24883cf93cf0f39a307db77f601fb2c7270572281a964e20d2ef8b57d1accb40537c29182b

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

Filesize
96KB

MD5
e1f1ff1da39a6baaf4dbf3deaa1af0cd

SHA1
486b5dcbb9d9693c649cd1f10a0a57cd475f9729

SHA256
97337c0f5cfef23c7093870b4cf3ea51131fc82100798e7f8312d0c1fbb4ad89

SHA512
8d29cd772da12d046e9bd5dc69623b1fe2e4533c0efd20617a69724ccd49947942c5a106b40d4a2355acdd1d6cd6cfad7dd18fac3ad3d763795e56c90c508069

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

Filesize
96KB

MD5
ee9f31f1777c9dcfdf140c6105aa1f5d

SHA1
49784a8c603f8e34f428b0107ab627eafa011c47

SHA256
a7594d589d4198ce1cbc741aa0b24727f2f00b1f5e22fdc2bb3a8d20925b325d

SHA512
e039908828fabf90792a67b3de1ad7a42bab151cc2a75ce4912b36edc1b031982e53534581cb9bb7e42deb0c91d859286e522ea23a9ef709e5dad3ac96506990

Download Submit
memory/744-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/744-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1048-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1048-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1348-51-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1348-33-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2828-32-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2828-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2828-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2828-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2828-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2828-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2828-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3080-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3080-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3080-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3080-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4040-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4040-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4040-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4040-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4400-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4760-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4760-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4760-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download