neconyd | 1a44491707c45f4f2c40c4796c8eee537267e1a55d9e93e1445f1bb350bd6263

Analysis

max time kernel
115s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2025 10:13

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General

Target

1a44491707c45f4f2c40c4796c8eee537267e1a55d9e93e1445f1bb350bd6263N.exe
Size

96KB
MD5

c05aa5ddaa2ad216812b20ac9263b4f0
SHA1

317ba3deee0e68f8396530f2bbb9cc4bcb069291
SHA256

1a44491707c45f4f2c40c4796c8eee537267e1a55d9e93e1445f1bb350bd6263
SHA512

c433489214638bc0b612bcf3fb7a8e067ec3243b48b0ec5bd98550b63db7e52c068d493c002f925b36d35f88d700718cbb7b50cb29dba81801a7eb7b5ffad5ac
SSDEEP

1536:nnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:nGs8cd8eXlYairZYqMddH13L

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
928	omsecor.exe
1896	omsecor.exe
4160	omsecor.exe
4276	omsecor.exe
3244	omsecor.exe
2572	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 748 set thread context of 4412	748	1a44491707c45f4f2c40c4796c8eee537267e1a55d9e93e1445f1bb350bd6263N.exe	84
PID 928 set thread context of 1896	928	omsecor.exe	89
PID 4160 set thread context of 4276	4160	omsecor.exe	102
PID 3244 set thread context of 2572	3244	omsecor.exe	106

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1732	748	WerFault.exe	83
2464	928	WerFault.exe	87
972	4160	WerFault.exe	101
4020	3244	WerFault.exe	104

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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1a44491707c45f4f2c40c4796c8eee537267e1a55d9e93e1445f1bb350bd6263N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1a44491707c45f4f2c40c4796c8eee537267e1a55d9e93e1445f1bb350bd6263N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 748 wrote to memory of 4412	748	1a44491707c45f4f2c40c4796c8eee537267e1a55d9e93e1445f1bb350bd6263N.exe	84
PID 748 wrote to memory of 4412	748	1a44491707c45f4f2c40c4796c8eee537267e1a55d9e93e1445f1bb350bd6263N.exe	84
PID 748 wrote to memory of 4412	748	1a44491707c45f4f2c40c4796c8eee537267e1a55d9e93e1445f1bb350bd6263N.exe	84
PID 748 wrote to memory of 4412	748	1a44491707c45f4f2c40c4796c8eee537267e1a55d9e93e1445f1bb350bd6263N.exe	84
PID 748 wrote to memory of 4412	748	1a44491707c45f4f2c40c4796c8eee537267e1a55d9e93e1445f1bb350bd6263N.exe	84
PID 4412 wrote to memory of 928	4412	1a44491707c45f4f2c40c4796c8eee537267e1a55d9e93e1445f1bb350bd6263N.exe	87
PID 4412 wrote to memory of 928	4412	1a44491707c45f4f2c40c4796c8eee537267e1a55d9e93e1445f1bb350bd6263N.exe	87
PID 4412 wrote to memory of 928	4412	1a44491707c45f4f2c40c4796c8eee537267e1a55d9e93e1445f1bb350bd6263N.exe	87
PID 928 wrote to memory of 1896	928	omsecor.exe	89
PID 928 wrote to memory of 1896	928	omsecor.exe	89
PID 928 wrote to memory of 1896	928	omsecor.exe	89
PID 928 wrote to memory of 1896	928	omsecor.exe	89
PID 928 wrote to memory of 1896	928	omsecor.exe	89
PID 1896 wrote to memory of 4160	1896	omsecor.exe	101
PID 1896 wrote to memory of 4160	1896	omsecor.exe	101
PID 1896 wrote to memory of 4160	1896	omsecor.exe	101
PID 4160 wrote to memory of 4276	4160	omsecor.exe	102
PID 4160 wrote to memory of 4276	4160	omsecor.exe	102
PID 4160 wrote to memory of 4276	4160	omsecor.exe	102
PID 4160 wrote to memory of 4276	4160	omsecor.exe	102
PID 4160 wrote to memory of 4276	4160	omsecor.exe	102
PID 4276 wrote to memory of 3244	4276	omsecor.exe	104
PID 4276 wrote to memory of 3244	4276	omsecor.exe	104
PID 4276 wrote to memory of 3244	4276	omsecor.exe	104
PID 3244 wrote to memory of 2572	3244	omsecor.exe	106
PID 3244 wrote to memory of 2572	3244	omsecor.exe	106
PID 3244 wrote to memory of 2572	3244	omsecor.exe	106
PID 3244 wrote to memory of 2572	3244	omsecor.exe	106
PID 3244 wrote to memory of 2572	3244	omsecor.exe	106

C:\Users\Admin\AppData\Local\Temp\1a44491707c45f4f2c40c4796c8eee537267e1a55d9e93e1445f1bb350bd6263N.exe
"C:\Users\Admin\AppData\Local\Temp\1a44491707c45f4f2c40c4796c8eee537267e1a55d9e93e1445f1bb350bd6263N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:748
- C:\Users\Admin\AppData\Local\Temp\1a44491707c45f4f2c40c4796c8eee537267e1a55d9e93e1445f1bb350bd6263N.exe
  C:\Users\Admin\AppData\Local\Temp\1a44491707c45f4f2c40c4796c8eee537267e1a55d9e93e1445f1bb350bd6263N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4412
- - 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:928
  - - 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:1896
    - - 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:4160
      - 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:4276
        
        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:3244
        
        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:2572
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3244 -s 256
        8⤵
        Program crash
        
        PID:4020
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 292
        6⤵
        Program crash
        
        PID:972
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 928 -s 300
      4⤵
      Program crash
      PID:2464
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 748 -s 288
  2⤵
  - Program crash
  PID:1732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 748 -ip 748
1⤵
PID:2796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 928 -ip 928
1⤵
PID:532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4160 -ip 4160
1⤵
PID:656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 3244 -ip 3244
1⤵
PID:2728

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
8c5ab51c627ca6326614e817af64aee8

SHA1
7ad39edf283a7421174e55077c214de080f8cc51

SHA256
a33096a7f6ffbb3e3f6c20907e3ea3b30ad6c196494d01a4ff44640c89252008

SHA512
b6d106cdc1188dde7eca723f5a5b340422dcba45b758b4d1f062b29c89e9ff2cfafb90ad144e983c229494405ecc4311b52a3774f1b14d536d8c6e4e767058d5

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

Filesize
96KB

MD5
da5d06f6bf42bcb22a1b2b837f268c12

SHA1
6aa47f0bada36130644ce9f2b389880a8fed5d78

SHA256
c3db501f3a6b063404c0568381f5a37ffaab75bb0179f5da6d99d11935ba7f9b

SHA512
52bf06236bb49a1dd8e38839deef5f8226b4a5afcba6662b9f2110d90c71608c1becd06dcd87e09bf5489fdff3409db5cec57952e0c031385470d322233c894d

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

Filesize
96KB

MD5
794d27d4816bf1508ad63b5247f297f2

SHA1
62dc72cdad54a1c84138b69d77f9bf155dbd02bc

SHA256
85391c795d49e6f8d4c1e7905307425179eb4ee399d6589d533df815ee748b84

SHA512
a93e3b2169f52b7946aca6bf66d719e905af77c2d8d7b2db2b68257959d316783b11b80367482225dadd74593b56695c8bb8b704c943971ca69a761196cebdcc

Download Submit
memory/748-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/748-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/928-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/928-8-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1896-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1896-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1896-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1896-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1896-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1896-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1896-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2572-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2572-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2572-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3244-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3244-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4160-51-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4160-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4276-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4276-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4276-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4412-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4412-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4412-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4412-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download