neconyd | 28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3

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
19-01-2025 14:29

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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
2356	omsecor.exe
2640	omsecor.exe
4408	omsecor.exe
3676	omsecor.exe
4856	omsecor.exe
4564	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 3788 set thread context of 3944	3788	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe	83
PID 2356 set thread context of 2640	2356	omsecor.exe	87
PID 4408 set thread context of 3676	4408	omsecor.exe	109
PID 4856 set thread context of 4564	4856	omsecor.exe	113

Program crash 4 IoCs

pid	pid_target	Process	procid_target
552	3788	WerFault.exe	82
3016	2356	WerFault.exe	85
4324	4408	WerFault.exe	108
3988	4856	WerFault.exe	111

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	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.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

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3788 wrote to memory of 3944	3788	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe	83
PID 3788 wrote to memory of 3944	3788	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe	83
PID 3788 wrote to memory of 3944	3788	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe	83
PID 3788 wrote to memory of 3944	3788	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe	83
PID 3788 wrote to memory of 3944	3788	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe	83
PID 3944 wrote to memory of 2356	3944	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe	85
PID 3944 wrote to memory of 2356	3944	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe	85
PID 3944 wrote to memory of 2356	3944	28f731600eedc07ebf8d60faa7d4322d4a5f2bde6d8f3394616f0f6d74de4ad3.exe	85
PID 2356 wrote to memory of 2640	2356	omsecor.exe	87
PID 2356 wrote to memory of 2640	2356	omsecor.exe	87
PID 2356 wrote to memory of 2640	2356	omsecor.exe	87
PID 2356 wrote to memory of 2640	2356	omsecor.exe	87
PID 2356 wrote to memory of 2640	2356	omsecor.exe	87
PID 2640 wrote to memory of 4408	2640	omsecor.exe	108
PID 2640 wrote to memory of 4408	2640	omsecor.exe	108
PID 2640 wrote to memory of 4408	2640	omsecor.exe	108
PID 4408 wrote to memory of 3676	4408	omsecor.exe	109
PID 4408 wrote to memory of 3676	4408	omsecor.exe	109
PID 4408 wrote to memory of 3676	4408	omsecor.exe	109
PID 4408 wrote to memory of 3676	4408	omsecor.exe	109
PID 4408 wrote to memory of 3676	4408	omsecor.exe	109
PID 3676 wrote to memory of 4856	3676	omsecor.exe	111
PID 3676 wrote to memory of 4856	3676	omsecor.exe	111
PID 3676 wrote to memory of 4856	3676	omsecor.exe	111
PID 4856 wrote to memory of 4564	4856	omsecor.exe	113
PID 4856 wrote to memory of 4564	4856	omsecor.exe	113
PID 4856 wrote to memory of 4564	4856	omsecor.exe	113
PID 4856 wrote to memory of 4564	4856	omsecor.exe	113
PID 4856 wrote to memory of 4564	4856	omsecor.exe	113

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:3788
- 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:3944
- - 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:2356
  - - 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:2640
    - - 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:4408
      - 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:3676
        
        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:4856
        
        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:4564
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4856 -s 256
        8⤵
        Program crash
        
        PID:3988
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4408 -s 292
        6⤵
        Program crash
        
        PID:4324
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 288
      4⤵
      Program crash
      PID:3016
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3788 -s 288
  2⤵
  - Program crash
  PID:552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3788 -ip 3788
1⤵
PID:4492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2356 -ip 2356
1⤵
PID:2228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4408 -ip 4408
1⤵
PID:2856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4856 -ip 4856
1⤵
PID:1948

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
7043f5424fdb932875460c58698081f0

SHA1
24d7a4d92fd3f91151dc646f55e5f85316512284

SHA256
116c1ab7f62459f15d257c79ec85674843ae63b6fd8f4dc19e0dd572578ea5d4

SHA512
cdfd5c14f4bab10e983029268b9835308b33eda764dfbcbb522a831d36916202f0c273025b3e304eeed2874685aa7c28af4e82e2bc6e4667f9c7526bb1ae4973

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
e88140fb398b73a29ee8e75c47750b5c

SHA1
b0619fca520658a6fcaeb8a4f13cfc20e42eef04

SHA256
c6d0d52888f12d87d13ee0ba0508ba8ba65a14969d9ec348ef870b62eefe2dd1

SHA512
4f08393f08a88beb3a9a260cdfb1c70857ef9258ecad725ae455f12d6a019462cfadda3358a3e00a735f311a04d5765a5a833a36697d4d5343e55367a78bc97e

Download Submit
memory/2356-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2356-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2640-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2640-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2640-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2640-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2640-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2640-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2640-28-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3676-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3676-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3676-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3788-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3788-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3944-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3944-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3944-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3944-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4408-31-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4408-49-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4564-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4564-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4564-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4856-43-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download