neconyd | 93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2025 04:38

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General

Target

93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe
Size

134KB
MD5

dc35c9d2c141e65a01fed54e5f4b06fb
SHA1

87b929eb932881f275296c2c8c4bf456613a85bf
SHA256

93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21
SHA512

878ce2e60ea0516fa51109eaf17b561499eb77c8e927c7ea5912a85f6e552aa3c0d75addaf27af5b20c89b7d812b4588076199a409b14c977c96724d71e9c997
SSDEEP

1536:XDfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCid:ziRTeH0iqAW6J6f1tqF6dngNmaZCiaI

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
3780	omsecor.exe
212	omsecor.exe
4412	omsecor.exe
1252	omsecor.exe
2576	omsecor.exe
4992	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 1680 set thread context of 2376	1680	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe	83
PID 3780 set thread context of 212	3780	omsecor.exe	87
PID 4412 set thread context of 1252	4412	omsecor.exe	109
PID 2576 set thread context of 4992	2576	omsecor.exe	113

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3556	1680	WerFault.exe	82
3492	3780	WerFault.exe	85
2444	4412	WerFault.exe	108
3904	2576	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	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.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 1680 wrote to memory of 2376	1680	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe	83
PID 1680 wrote to memory of 2376	1680	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe	83
PID 1680 wrote to memory of 2376	1680	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe	83
PID 1680 wrote to memory of 2376	1680	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe	83
PID 1680 wrote to memory of 2376	1680	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe	83
PID 2376 wrote to memory of 3780	2376	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe	85
PID 2376 wrote to memory of 3780	2376	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe	85
PID 2376 wrote to memory of 3780	2376	93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe	85
PID 3780 wrote to memory of 212	3780	omsecor.exe	87
PID 3780 wrote to memory of 212	3780	omsecor.exe	87
PID 3780 wrote to memory of 212	3780	omsecor.exe	87
PID 3780 wrote to memory of 212	3780	omsecor.exe	87
PID 3780 wrote to memory of 212	3780	omsecor.exe	87
PID 212 wrote to memory of 4412	212	omsecor.exe	108
PID 212 wrote to memory of 4412	212	omsecor.exe	108
PID 212 wrote to memory of 4412	212	omsecor.exe	108
PID 4412 wrote to memory of 1252	4412	omsecor.exe	109
PID 4412 wrote to memory of 1252	4412	omsecor.exe	109
PID 4412 wrote to memory of 1252	4412	omsecor.exe	109
PID 4412 wrote to memory of 1252	4412	omsecor.exe	109
PID 4412 wrote to memory of 1252	4412	omsecor.exe	109
PID 1252 wrote to memory of 2576	1252	omsecor.exe	111
PID 1252 wrote to memory of 2576	1252	omsecor.exe	111
PID 1252 wrote to memory of 2576	1252	omsecor.exe	111
PID 2576 wrote to memory of 4992	2576	omsecor.exe	113
PID 2576 wrote to memory of 4992	2576	omsecor.exe	113
PID 2576 wrote to memory of 4992	2576	omsecor.exe	113
PID 2576 wrote to memory of 4992	2576	omsecor.exe	113
PID 2576 wrote to memory of 4992	2576	omsecor.exe	113

C:\Users\Admin\AppData\Local\Temp\93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe
"C:\Users\Admin\AppData\Local\Temp\93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Users\Admin\AppData\Local\Temp\93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe
  C:\Users\Admin\AppData\Local\Temp\93599d935cd4e21bf1f113773ea735d90319140f27fdab3a2f8b7aa4774e8d21.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2376
- - 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:3780
  - - 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:212
    - - 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:4412
      - 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:1252
        
        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:2576
        
        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:4992
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2576 -s 256
        8⤵
        Program crash
        
        PID:3904
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 296
        6⤵
        Program crash
        
        PID:2444
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 300
      4⤵
      Program crash
      PID:3492
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 272
  2⤵
  - Program crash
  PID:3556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1680 -ip 1680
1⤵
PID:3660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3780 -ip 3780
1⤵
PID:3184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4412 -ip 4412
1⤵
PID:3972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2576 -ip 2576
1⤵
PID:4976

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
3db02d432c7e1af2d1d9b3d217109ce9

SHA1
d563545fab1d511f82bbe69c6eeddc20144a4df5

SHA256
b3cdb98f54ddd9754b6553b7b6914a2f2543073982a41c5e15ec14a4f68ea0f8

SHA512
c3796c44c72194e7a011b7536b47ae899f373af18eceef632662073bd5c8156a0014cdd673984103bb478385e36d9018656de6eb5f550c167da8ed2415266455

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

Filesize
134KB

MD5
2019304045626d7fb3b549ee493db083

SHA1
b193f0ff08ab3c0b453b856ae9e1437f9536b247

SHA256
15e7173a479d16baf8f393306d01ed69253712e264be71032ddbf8e1f3a7adc4

SHA512
3fd5ba8ad2e71498125a58945d0027afec0752926d83adb6a0c3908f21f0902099c0da4cde3efd693afc19456466f5d8b1d41d02a23e0b60a675a473aebd8b60

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

Filesize
134KB

MD5
ac963a5489dc6d6c5f8dba2f504d87a5

SHA1
e7a13b49b6439b7353d4a5524ff1cb572eb5cf85

SHA256
217e47e3ea0c2ab50e12522bf9978b0999e991faf996724cae4fd4ad45df2ebd

SHA512
521ac1c956ab3cf6c7d89f3a82e3d984a4008b4470fe712a6c0c4eee08b569271f6bed221435a46c94825bce8295fd0ca68850f4cd3941b14ace468b1ddcba8a

Download Submit
memory/212-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/212-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/212-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/212-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/212-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/212-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/212-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1252-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1252-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1252-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1680-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1680-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2376-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2376-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2376-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2376-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2576-43-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3780-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4412-31-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4412-49-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4992-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4992-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4992-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4992-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download