neconyd | 481fa76b57b368029368b33f8296513dc99064f7bfadfddb2c6e6a43c43412a4

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
24-01-2025 01:45

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General

Target

481fa76b57b368029368b33f8296513dc99064f7bfadfddb2c6e6a43c43412a4.exe
Size

96KB
MD5

e33561a5d465e9efe456d20a8c0e24bd
SHA1

1aa6e4583896e70a1dd33e603f6e46308a050913
SHA256

481fa76b57b368029368b33f8296513dc99064f7bfadfddb2c6e6a43c43412a4
SHA512

097dcc25e348a1fb5857e14e4097301893dc2c4f47d8e9f63e216710fb916b3d035a2c0f233fd219235fd59afb9d2d774cbe4827b4d71fa23e5962d7f24d6d63
SSDEEP

1536:ynAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxJ:yGs8cd8eXlYairZYqMddH13J

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
1744	omsecor.exe
3456	omsecor.exe
4192	omsecor.exe
2496	omsecor.exe
4700	omsecor.exe
3032	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 1624 set thread context of 3736	1624	481fa76b57b368029368b33f8296513dc99064f7bfadfddb2c6e6a43c43412a4.exe	81
PID 1744 set thread context of 3456	1744	omsecor.exe	86
PID 4192 set thread context of 2496	4192	omsecor.exe	100
PID 4700 set thread context of 3032	4700	omsecor.exe	104

Program crash 4 IoCs

pid	pid_target	Process	procid_target
428	1624	WerFault.exe	80
2236	1744	WerFault.exe	84
4484	4192	WerFault.exe	99
244	4700	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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	481fa76b57b368029368b33f8296513dc99064f7bfadfddb2c6e6a43c43412a4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	481fa76b57b368029368b33f8296513dc99064f7bfadfddb2c6e6a43c43412a4.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 1624 wrote to memory of 3736	1624	481fa76b57b368029368b33f8296513dc99064f7bfadfddb2c6e6a43c43412a4.exe	81
PID 1624 wrote to memory of 3736	1624	481fa76b57b368029368b33f8296513dc99064f7bfadfddb2c6e6a43c43412a4.exe	81
PID 1624 wrote to memory of 3736	1624	481fa76b57b368029368b33f8296513dc99064f7bfadfddb2c6e6a43c43412a4.exe	81
PID 1624 wrote to memory of 3736	1624	481fa76b57b368029368b33f8296513dc99064f7bfadfddb2c6e6a43c43412a4.exe	81
PID 1624 wrote to memory of 3736	1624	481fa76b57b368029368b33f8296513dc99064f7bfadfddb2c6e6a43c43412a4.exe	81
PID 3736 wrote to memory of 1744	3736	481fa76b57b368029368b33f8296513dc99064f7bfadfddb2c6e6a43c43412a4.exe	84
PID 3736 wrote to memory of 1744	3736	481fa76b57b368029368b33f8296513dc99064f7bfadfddb2c6e6a43c43412a4.exe	84
PID 3736 wrote to memory of 1744	3736	481fa76b57b368029368b33f8296513dc99064f7bfadfddb2c6e6a43c43412a4.exe	84
PID 1744 wrote to memory of 3456	1744	omsecor.exe	86
PID 1744 wrote to memory of 3456	1744	omsecor.exe	86
PID 1744 wrote to memory of 3456	1744	omsecor.exe	86
PID 1744 wrote to memory of 3456	1744	omsecor.exe	86
PID 1744 wrote to memory of 3456	1744	omsecor.exe	86
PID 3456 wrote to memory of 4192	3456	omsecor.exe	99
PID 3456 wrote to memory of 4192	3456	omsecor.exe	99
PID 3456 wrote to memory of 4192	3456	omsecor.exe	99
PID 4192 wrote to memory of 2496	4192	omsecor.exe	100
PID 4192 wrote to memory of 2496	4192	omsecor.exe	100
PID 4192 wrote to memory of 2496	4192	omsecor.exe	100
PID 4192 wrote to memory of 2496	4192	omsecor.exe	100
PID 4192 wrote to memory of 2496	4192	omsecor.exe	100
PID 2496 wrote to memory of 4700	2496	omsecor.exe	102
PID 2496 wrote to memory of 4700	2496	omsecor.exe	102
PID 2496 wrote to memory of 4700	2496	omsecor.exe	102
PID 4700 wrote to memory of 3032	4700	omsecor.exe	104
PID 4700 wrote to memory of 3032	4700	omsecor.exe	104
PID 4700 wrote to memory of 3032	4700	omsecor.exe	104
PID 4700 wrote to memory of 3032	4700	omsecor.exe	104
PID 4700 wrote to memory of 3032	4700	omsecor.exe	104

C:\Users\Admin\AppData\Local\Temp\481fa76b57b368029368b33f8296513dc99064f7bfadfddb2c6e6a43c43412a4.exe
"C:\Users\Admin\AppData\Local\Temp\481fa76b57b368029368b33f8296513dc99064f7bfadfddb2c6e6a43c43412a4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Users\Admin\AppData\Local\Temp\481fa76b57b368029368b33f8296513dc99064f7bfadfddb2c6e6a43c43412a4.exe
  C:\Users\Admin\AppData\Local\Temp\481fa76b57b368029368b33f8296513dc99064f7bfadfddb2c6e6a43c43412a4.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3736
- - 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:1744
  - - 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:3456
    - - 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:4192
      - 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:2496
        
        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:4700
        
        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:3032
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4700 -s 244
        8⤵
        Program crash
        
        PID:244
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4192 -s 292
        6⤵
        Program crash
        
        PID:4484
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 288
      4⤵
      Program crash
      PID:2236
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 304
  2⤵
  - Program crash
  PID:428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1624 -ip 1624
1⤵
PID:2640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1744 -ip 1744
1⤵
PID:4740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4192 -ip 4192
1⤵
PID:1104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4700 -ip 4700
1⤵
PID:2204

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
be17593cc52f2fa0265fbfde1303b699

SHA1
0e87e73ff83f5adcce7ac91f55c20dacf0da4db1

SHA256
586debc60776268da076a9be34efe8ce486e372032f2ab213f44270925a1f25c

SHA512
dfc3e9788b0256f6de849093d5c0e27624bd6880681d8b7f2befaf971391da4ffa82d5aa07f3653e88df2b86ee46eca8de7631f25b36252203c407c595162320

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

Filesize
96KB

MD5
3c5d6230f85d3bd9cf32bd465c3463ff

SHA1
8bec94428b67ff1c8efcda13c83ea454a208f057

SHA256
3e0254282f6415bd9e3329007f2ea13083367f0b382bcb03b2c827128eef2e07

SHA512
d42b16b679f0208ab06779b6bc7a5ddc26a485be0bb9b68b67117557abea5125e004e35e69bee0051ba7046a77564eda44e1e25c3a408715a734d65f6bcde2b3

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

Filesize
96KB

MD5
1231ac8a9424a9100acfb8519b64aae7

SHA1
6c231538f9615514a184a1f41719d55645156c01

SHA256
8670d2301d4c5f2de0508f21a2cd2e994bf8fe7dcf70cb35d887318b3a17cd09

SHA512
7c5afdd3a5519f8e128ae5c5d6c244cad321b73c69976f533b836811d5d8767c361a2eb2ee71daef4a1910e31c559ce78ba75c8cf78037bd7bc27adcfed73a2b

Download Submit
memory/1624-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1624-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1744-20-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1744-10-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2496-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2496-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2496-42-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3032-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3032-51-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3032-52-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3456-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3456-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3456-16-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3456-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3456-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3456-28-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3456-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3736-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3736-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3736-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3736-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4192-36-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4700-47-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4700-54-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download