neconyd | 04ca9a896bb58e5da858578e344c8becc0a3874a2555aaeb87fe6cd3aef8a90c

Analysis

max time kernel
115s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2025 18:51

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General

Target

04ca9a896bb58e5da858578e344c8becc0a3874a2555aaeb87fe6cd3aef8a90cN.exe
Size

96KB
MD5

04d19ba87ec5e17d08b5d034006329c0
SHA1

c9ece5653d9dd3d8212a0e4722d5753f62c4ca8f
SHA256

04ca9a896bb58e5da858578e344c8becc0a3874a2555aaeb87fe6cd3aef8a90c
SHA512

04df3c3d0c633aa819dd8dbeab615f061d5046eb5bd0c73168904d50c33ccbe97ae7c11699d4c88e760ad5b660f3e4567572143c58762013d90075ff1a415257
SSDEEP

1536:znAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:zGs8cd8eXlYairZYqMddH13L

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
212	omsecor.exe
1476	omsecor.exe
1352	omsecor.exe
3068	omsecor.exe
1444	omsecor.exe
5004	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 3604 set thread context of 3988	3604	04ca9a896bb58e5da858578e344c8becc0a3874a2555aaeb87fe6cd3aef8a90cN.exe	85
PID 212 set thread context of 1476	212	omsecor.exe	90
PID 1352 set thread context of 3068	1352	omsecor.exe	100
PID 1444 set thread context of 5004	1444	omsecor.exe	104

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4592	3604	WerFault.exe	84
2880	212	WerFault.exe	88
720	1352	WerFault.exe	99
4276	1444	WerFault.exe	102

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	04ca9a896bb58e5da858578e344c8becc0a3874a2555aaeb87fe6cd3aef8a90cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	04ca9a896bb58e5da858578e344c8becc0a3874a2555aaeb87fe6cd3aef8a90cN.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

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3604 wrote to memory of 3988	3604	04ca9a896bb58e5da858578e344c8becc0a3874a2555aaeb87fe6cd3aef8a90cN.exe	85
PID 3604 wrote to memory of 3988	3604	04ca9a896bb58e5da858578e344c8becc0a3874a2555aaeb87fe6cd3aef8a90cN.exe	85
PID 3604 wrote to memory of 3988	3604	04ca9a896bb58e5da858578e344c8becc0a3874a2555aaeb87fe6cd3aef8a90cN.exe	85
PID 3604 wrote to memory of 3988	3604	04ca9a896bb58e5da858578e344c8becc0a3874a2555aaeb87fe6cd3aef8a90cN.exe	85
PID 3604 wrote to memory of 3988	3604	04ca9a896bb58e5da858578e344c8becc0a3874a2555aaeb87fe6cd3aef8a90cN.exe	85
PID 3988 wrote to memory of 212	3988	04ca9a896bb58e5da858578e344c8becc0a3874a2555aaeb87fe6cd3aef8a90cN.exe	88
PID 3988 wrote to memory of 212	3988	04ca9a896bb58e5da858578e344c8becc0a3874a2555aaeb87fe6cd3aef8a90cN.exe	88
PID 3988 wrote to memory of 212	3988	04ca9a896bb58e5da858578e344c8becc0a3874a2555aaeb87fe6cd3aef8a90cN.exe	88
PID 212 wrote to memory of 1476	212	omsecor.exe	90
PID 212 wrote to memory of 1476	212	omsecor.exe	90
PID 212 wrote to memory of 1476	212	omsecor.exe	90
PID 212 wrote to memory of 1476	212	omsecor.exe	90
PID 212 wrote to memory of 1476	212	omsecor.exe	90
PID 1476 wrote to memory of 1352	1476	omsecor.exe	99
PID 1476 wrote to memory of 1352	1476	omsecor.exe	99
PID 1476 wrote to memory of 1352	1476	omsecor.exe	99
PID 1352 wrote to memory of 3068	1352	omsecor.exe	100
PID 1352 wrote to memory of 3068	1352	omsecor.exe	100
PID 1352 wrote to memory of 3068	1352	omsecor.exe	100
PID 1352 wrote to memory of 3068	1352	omsecor.exe	100
PID 1352 wrote to memory of 3068	1352	omsecor.exe	100
PID 3068 wrote to memory of 1444	3068	omsecor.exe	102
PID 3068 wrote to memory of 1444	3068	omsecor.exe	102
PID 3068 wrote to memory of 1444	3068	omsecor.exe	102
PID 1444 wrote to memory of 5004	1444	omsecor.exe	104
PID 1444 wrote to memory of 5004	1444	omsecor.exe	104
PID 1444 wrote to memory of 5004	1444	omsecor.exe	104
PID 1444 wrote to memory of 5004	1444	omsecor.exe	104
PID 1444 wrote to memory of 5004	1444	omsecor.exe	104

C:\Users\Admin\AppData\Local\Temp\04ca9a896bb58e5da858578e344c8becc0a3874a2555aaeb87fe6cd3aef8a90cN.exe
"C:\Users\Admin\AppData\Local\Temp\04ca9a896bb58e5da858578e344c8becc0a3874a2555aaeb87fe6cd3aef8a90cN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3604
- C:\Users\Admin\AppData\Local\Temp\04ca9a896bb58e5da858578e344c8becc0a3874a2555aaeb87fe6cd3aef8a90cN.exe
  C:\Users\Admin\AppData\Local\Temp\04ca9a896bb58e5da858578e344c8becc0a3874a2555aaeb87fe6cd3aef8a90cN.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3988
- - 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:212
  - - 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:1476
    - - 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:1352
      - 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:3068
        
        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:1444
        
        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:5004
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1444 -s 244
        8⤵
        Program crash
        
        PID:4276
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1352 -s 292
        6⤵
        Program crash
        
        PID:720
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 212 -s 288
      4⤵
      Program crash
      PID:2880
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 288
  2⤵
  - Program crash
  PID:4592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3604 -ip 3604
1⤵
PID:1968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 212 -ip 212
1⤵
PID:464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1352 -ip 1352
1⤵
PID:1884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1444 -ip 1444
1⤵
PID:4464

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
35f4b0633266bfc09cd8e0180118fc0f

SHA1
be6acb70120c3fa0e9194a300309299453f8cd82

SHA256
7448cfe5eda7f48ab22a7952312bcd723ccd14a2b226951319a25fc62465beef

SHA512
771c182727d95e81c6d4360d3fc36d5a94cf097759e8ad54ff58131f2fc045f0a898093ecd040bcc11480121b34a6b5147e772b8290f3405096f71ab47d2b59a

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

Filesize
96KB

MD5
015ef091408362aee7661ea5b51ad5c4

SHA1
24bbe5e0ee111439a378f0e24af57b76d0732b24

SHA256
5eb8136421ad315ff50a8cca57799615c42a09e57cc9e6e382d81732992def1b

SHA512
c0b167e786296743162217c39e792547041f7bec8398697c30e752f61bf4d850e944684f3ee80b979df1a42d1cf3d5e647366b0624f842b3daaffa6679dbe0c0

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

Filesize
96KB

MD5
4934e06d11e71d5defcb3019c8ff038f

SHA1
441e2acb5409a2fe0aba3bb2edc0840738c93ce4

SHA256
22049b5462b35d64fd140e4ebc640a5f7e0a29cb08b300d8ca4a2789024269e2

SHA512
870b0475f33fd2dfbcf00364c3a80aa2175cb05cbf1e2933cd8be8284cf310fec56a8064e47c08ab2834c115d77f99c8e29863fb0438449990f7fceffd51f4d9

Download Submit
memory/212-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1352-51-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1352-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1444-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1444-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1476-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1476-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1476-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1476-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1476-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1476-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1476-29-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3068-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3068-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3068-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3604-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3604-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3988-6-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3988-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3988-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3988-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5004-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5004-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5004-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download