neconyd | a20d8d15be6fd148f7481b57a9bcb9ee877eca2d85be64394e149d4e39769203

Analysis

max time kernel
115s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 21:20

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General

Target

a20d8d15be6fd148f7481b57a9bcb9ee877eca2d85be64394e149d4e39769203N.exe
Size

134KB
MD5

f4be90352975039dc08cb4cfff1ab390
SHA1

e9e7d4d0d1f8da90d7748a18b21a6d2a579d9f2b
SHA256

a20d8d15be6fd148f7481b57a9bcb9ee877eca2d85be64394e149d4e39769203
SHA512

5bb9afc5872978bcfbdecf0997e54d1b8a091e3941e83a59164d4124d7c7ee48b68ac3814eb336c5226761f35965ecf413ec0d51a6d8a2c173c297b3db85fc2f
SSDEEP

1536:MDfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCid:yiRTeH0iqAW6J6f1tqF6dngNmaZCiaI

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
3464	omsecor.exe
1572	omsecor.exe
1472	omsecor.exe
3288	omsecor.exe
4092	omsecor.exe
4176	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 2404 set thread context of 2276	2404	a20d8d15be6fd148f7481b57a9bcb9ee877eca2d85be64394e149d4e39769203N.exe	83
PID 3464 set thread context of 1572	3464	omsecor.exe	88
PID 1472 set thread context of 3288	1472	omsecor.exe	100
PID 4092 set thread context of 4176	4092	omsecor.exe	104

Program crash 4 IoCs

pid	pid_target	Process	procid_target
2012	2404	WerFault.exe	82
2148	3464	WerFault.exe	85
1316	1472	WerFault.exe	99
4480	4092	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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a20d8d15be6fd148f7481b57a9bcb9ee877eca2d85be64394e149d4e39769203N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a20d8d15be6fd148f7481b57a9bcb9ee877eca2d85be64394e149d4e39769203N.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 2276	2404	a20d8d15be6fd148f7481b57a9bcb9ee877eca2d85be64394e149d4e39769203N.exe	83
PID 2404 wrote to memory of 2276	2404	a20d8d15be6fd148f7481b57a9bcb9ee877eca2d85be64394e149d4e39769203N.exe	83
PID 2404 wrote to memory of 2276	2404	a20d8d15be6fd148f7481b57a9bcb9ee877eca2d85be64394e149d4e39769203N.exe	83
PID 2404 wrote to memory of 2276	2404	a20d8d15be6fd148f7481b57a9bcb9ee877eca2d85be64394e149d4e39769203N.exe	83
PID 2404 wrote to memory of 2276	2404	a20d8d15be6fd148f7481b57a9bcb9ee877eca2d85be64394e149d4e39769203N.exe	83
PID 2276 wrote to memory of 3464	2276	a20d8d15be6fd148f7481b57a9bcb9ee877eca2d85be64394e149d4e39769203N.exe	85
PID 2276 wrote to memory of 3464	2276	a20d8d15be6fd148f7481b57a9bcb9ee877eca2d85be64394e149d4e39769203N.exe	85
PID 2276 wrote to memory of 3464	2276	a20d8d15be6fd148f7481b57a9bcb9ee877eca2d85be64394e149d4e39769203N.exe	85
PID 3464 wrote to memory of 1572	3464	omsecor.exe	88
PID 3464 wrote to memory of 1572	3464	omsecor.exe	88
PID 3464 wrote to memory of 1572	3464	omsecor.exe	88
PID 3464 wrote to memory of 1572	3464	omsecor.exe	88
PID 3464 wrote to memory of 1572	3464	omsecor.exe	88
PID 1572 wrote to memory of 1472	1572	omsecor.exe	99
PID 1572 wrote to memory of 1472	1572	omsecor.exe	99
PID 1572 wrote to memory of 1472	1572	omsecor.exe	99
PID 1472 wrote to memory of 3288	1472	omsecor.exe	100
PID 1472 wrote to memory of 3288	1472	omsecor.exe	100
PID 1472 wrote to memory of 3288	1472	omsecor.exe	100
PID 1472 wrote to memory of 3288	1472	omsecor.exe	100
PID 1472 wrote to memory of 3288	1472	omsecor.exe	100
PID 3288 wrote to memory of 4092	3288	omsecor.exe	102
PID 3288 wrote to memory of 4092	3288	omsecor.exe	102
PID 3288 wrote to memory of 4092	3288	omsecor.exe	102
PID 4092 wrote to memory of 4176	4092	omsecor.exe	104
PID 4092 wrote to memory of 4176	4092	omsecor.exe	104
PID 4092 wrote to memory of 4176	4092	omsecor.exe	104
PID 4092 wrote to memory of 4176	4092	omsecor.exe	104
PID 4092 wrote to memory of 4176	4092	omsecor.exe	104

C:\Users\Admin\AppData\Local\Temp\a20d8d15be6fd148f7481b57a9bcb9ee877eca2d85be64394e149d4e39769203N.exe
"C:\Users\Admin\AppData\Local\Temp\a20d8d15be6fd148f7481b57a9bcb9ee877eca2d85be64394e149d4e39769203N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Users\Admin\AppData\Local\Temp\a20d8d15be6fd148f7481b57a9bcb9ee877eca2d85be64394e149d4e39769203N.exe
  C:\Users\Admin\AppData\Local\Temp\a20d8d15be6fd148f7481b57a9bcb9ee877eca2d85be64394e149d4e39769203N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2276
- - 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:3464
  - - 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:1572
    - - 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:1472
      - 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:3288
        
        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:4092
        
        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:4176
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4092 -s 256
        8⤵
        Program crash
        
        PID:4480
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 296
        6⤵
        Program crash
        
        PID:1316
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 288
      4⤵
      Program crash
      PID:2148
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 288
  2⤵
  - Program crash
  PID:2012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2404 -ip 2404
1⤵
PID:32

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3464 -ip 3464
1⤵
PID:1956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1472 -ip 1472
1⤵
PID:1608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4092 -ip 4092
1⤵
PID:1992

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
35ad8872475c5a108733e83da29ebbec

SHA1
164976e674e73ea2a73ff8f6b8d079123f647a80

SHA256
8ab0a91132a5cc46fcb8a0750958c240b18293f9f687d256bb1b116db5b720e8

SHA512
c8b084f776798ee99dfad30cb820b16da04c6ebfc27a9a1b3ac98a4e9fded9d5b336e454c7520ca5721d82874e8b5b9dbf67d290a0766ac78b55411187cfc5c9

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

Filesize
134KB

MD5
47ea24d32de825648a86967dd4c2b7f2

SHA1
6d6a59b5630a39fc8dea1bb37169e237ccf19802

SHA256
1a4455972b1f0c6a3b893c2650be4f66bea2ee3023a08994d3a5eb01ff589fe4

SHA512
308a1c734176ff6d19e7c14e63af6f08458cb2a64ffa0c37709877ff1be38b7dc6fff157b9ed9728623e344707d96bc791e8dcf9878327b5dc40b8754d0c8f3e

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

Filesize
134KB

MD5
6821f88bd850e80e53c449cd2c74f5c8

SHA1
3f3095733bd84d1547328209a499d044597707d0

SHA256
6e89e1bfde3e81ed399d2c483c487876f26cf870f019c304edb4a939fe7970f3

SHA512
4278a065dbbb8f383452f044a830bd5e359ff749d04dfd5cfd9ee245a3fb0117c4d3facc768c695d80f15b2940cb0d4441d8a9ba486bb0ffa035ee7d46514b01

Download Submit
memory/1472-47-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1472-29-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1572-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1572-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1572-16-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1572-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1572-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1572-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1572-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2276-7-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2276-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2276-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2276-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2404-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2404-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3288-34-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3288-33-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3288-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3464-9-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4092-40-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4092-48-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4176-46-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4176-45-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4176-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download