neconyd | 28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3

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
19-01-2025 14:40

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General

Target

28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe
Size

134KB
MD5

f4b1adc0184021c94cf8384a1d29ac30
SHA1

092c451b993486aff776c87a6bfaea0249c1f29f
SHA256

28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3
SHA512

5dd1bd77fd58fdaf641f52d0cb9947fccf07a512870381eda0a2a9d96b5951a931ee4e81300e2e3628e24662ca55298b4d71de7f1cc5353fe8f0fd0659d5180d
SSDEEP

1536:8DfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCif:iiRTeH0iqAW6J6f1tqF6dngNmaZCiaI

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
5024	omsecor.exe
3620	omsecor.exe
636	omsecor.exe
1664	omsecor.exe
2012	omsecor.exe
2320	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 4720 set thread context of 3664	4720	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe	82
PID 5024 set thread context of 3620	5024	omsecor.exe	86
PID 636 set thread context of 1664	636	omsecor.exe	100
PID 2012 set thread context of 2320	2012	omsecor.exe	103

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3704	4720	WerFault.exe	81
1748	5024	WerFault.exe	85
4680	636	WerFault.exe	99
3888	2012	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	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	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4720 wrote to memory of 3664	4720	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe	82
PID 4720 wrote to memory of 3664	4720	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe	82
PID 4720 wrote to memory of 3664	4720	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe	82
PID 4720 wrote to memory of 3664	4720	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe	82
PID 4720 wrote to memory of 3664	4720	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe	82
PID 3664 wrote to memory of 5024	3664	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe	85
PID 3664 wrote to memory of 5024	3664	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe	85
PID 3664 wrote to memory of 5024	3664	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe	85
PID 5024 wrote to memory of 3620	5024	omsecor.exe	86
PID 5024 wrote to memory of 3620	5024	omsecor.exe	86
PID 5024 wrote to memory of 3620	5024	omsecor.exe	86
PID 5024 wrote to memory of 3620	5024	omsecor.exe	86
PID 5024 wrote to memory of 3620	5024	omsecor.exe	86
PID 3620 wrote to memory of 636	3620	omsecor.exe	99
PID 3620 wrote to memory of 636	3620	omsecor.exe	99
PID 3620 wrote to memory of 636	3620	omsecor.exe	99
PID 636 wrote to memory of 1664	636	omsecor.exe	100
PID 636 wrote to memory of 1664	636	omsecor.exe	100
PID 636 wrote to memory of 1664	636	omsecor.exe	100
PID 636 wrote to memory of 1664	636	omsecor.exe	100
PID 636 wrote to memory of 1664	636	omsecor.exe	100
PID 1664 wrote to memory of 2012	1664	omsecor.exe	102
PID 1664 wrote to memory of 2012	1664	omsecor.exe	102
PID 1664 wrote to memory of 2012	1664	omsecor.exe	102
PID 2012 wrote to memory of 2320	2012	omsecor.exe	103
PID 2012 wrote to memory of 2320	2012	omsecor.exe	103
PID 2012 wrote to memory of 2320	2012	omsecor.exe	103
PID 2012 wrote to memory of 2320	2012	omsecor.exe	103
PID 2012 wrote to memory of 2320	2012	omsecor.exe	103

C:\Users\Admin\AppData\Local\Temp\28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe
"C:\Users\Admin\AppData\Local\Temp\28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4720
- C:\Users\Admin\AppData\Local\Temp\28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe
  C:\Users\Admin\AppData\Local\Temp\28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3664
- - 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:5024
  - - 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:3620
    - - 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:636
      - 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:1664
        
        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:2012
        
        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:2320
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 256
        8⤵
        Program crash
        
        PID:3888
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 292
        6⤵
        Program crash
        
        PID:4680
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 288
      4⤵
      Program crash
      PID:1748
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4720 -s 300
  2⤵
  - Program crash
  PID:3704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4720 -ip 4720
1⤵
PID:3496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5024 -ip 5024
1⤵
PID:3376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 636 -ip 636
1⤵
PID:4784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2012 -ip 2012
1⤵
PID:2980

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
134KB

MD5
5510a9fc357a4f186c95a0217031033a

SHA1
b330700a0e8fd7b9aba6e0b596691065f212d8d9

SHA256
49e1a63b71067cdc7d7480da1bad00f43ce98775cf3212fbf021003ca8c3f3e7

SHA512
0c94bebc7bdcc3e6d9da994c81469adf26e34075fdc047a4872e49947a8a72bd80d5e887b2337d10af58e51935d435752cdfac62931069fa93711b1a044c8ac6

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

Filesize
134KB

MD5
4d23bb21c3e235a254f682b7eec0504a

SHA1
bac0be8afaa16d7c4c716310d745424e9b322aac

SHA256
b30ff66298e0363b37a2f53cc0e24e7399ff62d387398cf0a703f859566f3f12

SHA512
a00330dce8069c8d23813a2dade77a0cca2ca5eaf9cbfb2651708b5312f5173e275fca26cbc51db3c7fe08cf32e1063f49d2fa16e4ba811ecc4ca930e014382d

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

Filesize
134KB

MD5
3059c4f5f73cd2478556f77b590f5bf3

SHA1
40858b40c266d67a251ac0a7960b1c698def6929

SHA256
a3dcd7d6a5f6e9facb47e283bcc013c6caca705afe89a932d7ecc233747c474f

SHA512
d1e46a0da00d7d9a1e463d317a62cae0fbe3da02954acf9e862b5fde1298d20bcea3075b86c4d37e1a12920affc9e06def51daeaffd354f164d02b9dba79df6c

Download Submit
memory/636-30-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/636-49-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1664-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1664-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1664-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2012-42-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2320-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2320-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2320-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2320-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3620-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3620-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3620-29-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3620-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3620-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3620-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3620-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3664-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3664-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3664-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3664-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4720-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4720-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5024-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5024-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download