neconyd | fc313d9c708893d2ecf6940916a9da2a63745ca43a4a52be92b353f4084f69f5

Analysis

max time kernel
115s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-01-2025 16:59

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General

Target

fc313d9c708893d2ecf6940916a9da2a63745ca43a4a52be92b353f4084f69f5N.exe
Size

96KB
MD5

0a68231149af2d2de2fc3a35fb3bbc40
SHA1

5ffd534ec88af748dc1f5175113b0f211d40f3af
SHA256

fc313d9c708893d2ecf6940916a9da2a63745ca43a4a52be92b353f4084f69f5
SHA512

86a5cfe53a1735e109c5fac98727be340fa5e89f070e25ebf54ff9fd2fd5fc568f3e9a831c986e26c5b435cc5319e3c1de28d3cfa29e239a29c76ad9f48e4942
SSDEEP

1536:5nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxu:5Gs8cd8eXlYairZYqMddH13u

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
4424	omsecor.exe
444	omsecor.exe
3032	omsecor.exe
3932	omsecor.exe
1552	omsecor.exe
1800	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 2472 set thread context of 2272	2472	fc313d9c708893d2ecf6940916a9da2a63745ca43a4a52be92b353f4084f69f5N.exe	82
PID 4424 set thread context of 444	4424	omsecor.exe	86
PID 3032 set thread context of 3932	3032	omsecor.exe	107
PID 1552 set thread context of 1800	1552	omsecor.exe	111

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3132	2472	WerFault.exe	81
856	4424	WerFault.exe	84
2208	3032	WerFault.exe	106
4400	1552	WerFault.exe	109

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	fc313d9c708893d2ecf6940916a9da2a63745ca43a4a52be92b353f4084f69f5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fc313d9c708893d2ecf6940916a9da2a63745ca43a4a52be92b353f4084f69f5N.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 2472 wrote to memory of 2272	2472	fc313d9c708893d2ecf6940916a9da2a63745ca43a4a52be92b353f4084f69f5N.exe	82
PID 2472 wrote to memory of 2272	2472	fc313d9c708893d2ecf6940916a9da2a63745ca43a4a52be92b353f4084f69f5N.exe	82
PID 2472 wrote to memory of 2272	2472	fc313d9c708893d2ecf6940916a9da2a63745ca43a4a52be92b353f4084f69f5N.exe	82
PID 2472 wrote to memory of 2272	2472	fc313d9c708893d2ecf6940916a9da2a63745ca43a4a52be92b353f4084f69f5N.exe	82
PID 2472 wrote to memory of 2272	2472	fc313d9c708893d2ecf6940916a9da2a63745ca43a4a52be92b353f4084f69f5N.exe	82
PID 2272 wrote to memory of 4424	2272	fc313d9c708893d2ecf6940916a9da2a63745ca43a4a52be92b353f4084f69f5N.exe	84
PID 2272 wrote to memory of 4424	2272	fc313d9c708893d2ecf6940916a9da2a63745ca43a4a52be92b353f4084f69f5N.exe	84
PID 2272 wrote to memory of 4424	2272	fc313d9c708893d2ecf6940916a9da2a63745ca43a4a52be92b353f4084f69f5N.exe	84
PID 4424 wrote to memory of 444	4424	omsecor.exe	86
PID 4424 wrote to memory of 444	4424	omsecor.exe	86
PID 4424 wrote to memory of 444	4424	omsecor.exe	86
PID 4424 wrote to memory of 444	4424	omsecor.exe	86
PID 4424 wrote to memory of 444	4424	omsecor.exe	86
PID 444 wrote to memory of 3032	444	omsecor.exe	106
PID 444 wrote to memory of 3032	444	omsecor.exe	106
PID 444 wrote to memory of 3032	444	omsecor.exe	106
PID 3032 wrote to memory of 3932	3032	omsecor.exe	107
PID 3032 wrote to memory of 3932	3032	omsecor.exe	107
PID 3032 wrote to memory of 3932	3032	omsecor.exe	107
PID 3032 wrote to memory of 3932	3032	omsecor.exe	107
PID 3032 wrote to memory of 3932	3032	omsecor.exe	107
PID 3932 wrote to memory of 1552	3932	omsecor.exe	109
PID 3932 wrote to memory of 1552	3932	omsecor.exe	109
PID 3932 wrote to memory of 1552	3932	omsecor.exe	109
PID 1552 wrote to memory of 1800	1552	omsecor.exe	111
PID 1552 wrote to memory of 1800	1552	omsecor.exe	111
PID 1552 wrote to memory of 1800	1552	omsecor.exe	111
PID 1552 wrote to memory of 1800	1552	omsecor.exe	111
PID 1552 wrote to memory of 1800	1552	omsecor.exe	111

C:\Users\Admin\AppData\Local\Temp\fc313d9c708893d2ecf6940916a9da2a63745ca43a4a52be92b353f4084f69f5N.exe
"C:\Users\Admin\AppData\Local\Temp\fc313d9c708893d2ecf6940916a9da2a63745ca43a4a52be92b353f4084f69f5N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Users\Admin\AppData\Local\Temp\fc313d9c708893d2ecf6940916a9da2a63745ca43a4a52be92b353f4084f69f5N.exe
  C:\Users\Admin\AppData\Local\Temp\fc313d9c708893d2ecf6940916a9da2a63745ca43a4a52be92b353f4084f69f5N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2272
- - 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:4424
  - - 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:444
    - - 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:3032
      - 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:3932
        
        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:1552
        
        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:1800
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 256
        8⤵
        Program crash
        
        PID:4400
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 292
        6⤵
        Program crash
        
        PID:2208
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4424 -s 300
      4⤵
      Program crash
      PID:856
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 300
  2⤵
  - Program crash
  PID:3132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2472 -ip 2472
1⤵
PID:3676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4424 -ip 4424
1⤵
PID:3996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3032 -ip 3032
1⤵
PID:4768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1552 -ip 1552
1⤵
PID:228

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
a364d0319570c2bee59151854c2c7212

SHA1
8371bcb32ddbe9f11f897e0e1b60fb7e9e607818

SHA256
9e4012a17312856eca17912927e95dada2fe6783e316e1e41d5732fe7b00e1e1

SHA512
f172da566cde68c6d30d7ec57ef14fce0c091506c194701c1aa506d988196df04758ad75c6d2a0115cc0619505029d720eccd9be55ff29b7ede1d1ea19349830

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

Filesize
96KB

MD5
35afb09fb08b8c414c83808134204785

SHA1
196effd894da34734b0980cfae0a132c556238ab

SHA256
ade37df719267c53f9573a4fb1325e35cfae7c859560254f5020b64f33343525

SHA512
03201954f03bf2f464e320acb77cb14bd2e73a31d5724493d621e6b989102d0d0aa0d7022bf5b156b3cd1e20cc807439259b1242de3ad1feb311ab86cac03d3a

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

Filesize
96KB

MD5
5fae32e8059f34830f867c46debe3eab

SHA1
426f2670f91775bd09568239c64894393224f98c

SHA256
55ec9adb472797746772a60c51c2c7ae8acd5b79dd53771e8185e1e7609e6412

SHA512
94cb963451d8f8488381d25bff5cc80738fe13fb038c66361133ac1e81f3c07069d4b4f134751ee9d4c175948cb80564789a21a8171b5a611861c5953608d6cc

Download Submit
memory/444-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/444-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/444-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/444-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/444-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/444-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/444-29-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1552-53-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1552-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1800-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1800-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1800-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2272-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2272-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2272-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2272-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2472-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2472-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3032-31-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3032-51-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3932-42-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3932-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3932-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4424-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download