neconyd | fef6b6ece0e7b67fbc701dec5fec7989196a5146a8d139d1afd584ea5c5583ff

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
17-12-2024 05:11

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General

Target

fef6b6ece0e7b67fbc701dec5fec7989196a5146a8d139d1afd584ea5c5583ff.exe
Size

134KB
MD5

32eb432058e7df3ac503e9052922d21f
SHA1

0c5b18d9fbb106ed63d776607733b22c72710712
SHA256

fef6b6ece0e7b67fbc701dec5fec7989196a5146a8d139d1afd584ea5c5583ff
SHA512

5dcf17e7cb61a391d66cc046746382e87f856bfb05de1c119fb13fd8e497c5f06f6e13973d6f9b24a81a289f29fafd93d22f831d2013d585b22eec2264cb3460
SSDEEP

1536:2DfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCia:oiRTeH0iqAW6J6f1tqF6dngNmaZCia

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
5012	omsecor.exe
232	omsecor.exe
1600	omsecor.exe
3540	omsecor.exe
3716	omsecor.exe
5036	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 4876 set thread context of 4808	4876	fef6b6ece0e7b67fbc701dec5fec7989196a5146a8d139d1afd584ea5c5583ff.exe	83
PID 5012 set thread context of 232	5012	omsecor.exe	88
PID 1600 set thread context of 3540	1600	omsecor.exe	108
PID 3716 set thread context of 5036	3716	omsecor.exe	111

Program crash 4 IoCs

pid	pid_target	Process	procid_target
2708	4876	WerFault.exe	82
1616	5012	WerFault.exe	86
2196	1600	WerFault.exe	107
5092	3716	WerFault.exe	110

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	fef6b6ece0e7b67fbc701dec5fec7989196a5146a8d139d1afd584ea5c5583ff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fef6b6ece0e7b67fbc701dec5fec7989196a5146a8d139d1afd584ea5c5583ff.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 4876 wrote to memory of 4808	4876	fef6b6ece0e7b67fbc701dec5fec7989196a5146a8d139d1afd584ea5c5583ff.exe	83
PID 4876 wrote to memory of 4808	4876	fef6b6ece0e7b67fbc701dec5fec7989196a5146a8d139d1afd584ea5c5583ff.exe	83
PID 4876 wrote to memory of 4808	4876	fef6b6ece0e7b67fbc701dec5fec7989196a5146a8d139d1afd584ea5c5583ff.exe	83
PID 4876 wrote to memory of 4808	4876	fef6b6ece0e7b67fbc701dec5fec7989196a5146a8d139d1afd584ea5c5583ff.exe	83
PID 4876 wrote to memory of 4808	4876	fef6b6ece0e7b67fbc701dec5fec7989196a5146a8d139d1afd584ea5c5583ff.exe	83
PID 4808 wrote to memory of 5012	4808	fef6b6ece0e7b67fbc701dec5fec7989196a5146a8d139d1afd584ea5c5583ff.exe	86
PID 4808 wrote to memory of 5012	4808	fef6b6ece0e7b67fbc701dec5fec7989196a5146a8d139d1afd584ea5c5583ff.exe	86
PID 4808 wrote to memory of 5012	4808	fef6b6ece0e7b67fbc701dec5fec7989196a5146a8d139d1afd584ea5c5583ff.exe	86
PID 5012 wrote to memory of 232	5012	omsecor.exe	88
PID 5012 wrote to memory of 232	5012	omsecor.exe	88
PID 5012 wrote to memory of 232	5012	omsecor.exe	88
PID 5012 wrote to memory of 232	5012	omsecor.exe	88
PID 5012 wrote to memory of 232	5012	omsecor.exe	88
PID 232 wrote to memory of 1600	232	omsecor.exe	107
PID 232 wrote to memory of 1600	232	omsecor.exe	107
PID 232 wrote to memory of 1600	232	omsecor.exe	107
PID 1600 wrote to memory of 3540	1600	omsecor.exe	108
PID 1600 wrote to memory of 3540	1600	omsecor.exe	108
PID 1600 wrote to memory of 3540	1600	omsecor.exe	108
PID 1600 wrote to memory of 3540	1600	omsecor.exe	108
PID 1600 wrote to memory of 3540	1600	omsecor.exe	108
PID 3540 wrote to memory of 3716	3540	omsecor.exe	110
PID 3540 wrote to memory of 3716	3540	omsecor.exe	110
PID 3540 wrote to memory of 3716	3540	omsecor.exe	110
PID 3716 wrote to memory of 5036	3716	omsecor.exe	111
PID 3716 wrote to memory of 5036	3716	omsecor.exe	111
PID 3716 wrote to memory of 5036	3716	omsecor.exe	111
PID 3716 wrote to memory of 5036	3716	omsecor.exe	111
PID 3716 wrote to memory of 5036	3716	omsecor.exe	111

C:\Users\Admin\AppData\Local\Temp\fef6b6ece0e7b67fbc701dec5fec7989196a5146a8d139d1afd584ea5c5583ff.exe
"C:\Users\Admin\AppData\Local\Temp\fef6b6ece0e7b67fbc701dec5fec7989196a5146a8d139d1afd584ea5c5583ff.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4876
- C:\Users\Admin\AppData\Local\Temp\fef6b6ece0e7b67fbc701dec5fec7989196a5146a8d139d1afd584ea5c5583ff.exe
  C:\Users\Admin\AppData\Local\Temp\fef6b6ece0e7b67fbc701dec5fec7989196a5146a8d139d1afd584ea5c5583ff.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4808
- - 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:5012
  - - 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:232
    - - 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:1600
      - 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:3540
        
        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:3716
        
        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:5036
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3716 -s 268
        8⤵
        Program crash
        
        PID:5092
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 292
        6⤵
        Program crash
        
        PID:2196
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 288
      4⤵
      Program crash
      PID:1616
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 300
  2⤵
  - Program crash
  PID:2708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4876 -ip 4876
1⤵
PID:224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 5012 -ip 5012
1⤵
PID:1596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1600 -ip 1600
1⤵
PID:4012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3716 -ip 3716
1⤵
PID:4740

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
bb5e87c94393875899725cc9cb42741a

SHA1
d66350fb47eb3d31e550ffcaaf8d8b9a2bc0ba7d

SHA256
0b831757dd28a78c6d84f21dd055733ae8ddba835ea7b043e56bcbb0a7a2ede7

SHA512
73f7c505288387e4dfcbefc17211d081028e4e17d5d03d4a34682edcb7d75f2626d05ba7a1ef11f20576fe8e37bf40e41191d6e0f0a22591e897cb15287f32c4

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

Filesize
134KB

MD5
e17e6f6e8f6594f8c820f7094df3d4a5

SHA1
1883b26cf91bd9eaca5b08b3cd6903bd6aac1940

SHA256
d391c3a47f66fb3a5fa383411f992ff2ce12ac2782e00130ae5121c883a17311

SHA512
12f41937156f7bb82d4f673b8043f6062a8bbf91b9ffe6dfc3c2aad315313d357fbc39e2c3f0c4b0ace8557f7fafc21436eb13568b0aa37de0a83640344f3037

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

Filesize
134KB

MD5
3223f10d620d1e1a61d8cc269ea53400

SHA1
cfde6fb2cc5c2e9d1bc9f0f610e7ad4e95f20a5c

SHA256
54d41349cb86c3e6dc65b85e2430f9603e4c79abc855d679a232c5e7416f77b7

SHA512
b9a3b29ae8dfb489fb7a4e35bb12e2d2eedd46c98f2cdcea11c75f3b2bcfbfc69f7bec4a045dc83111fe816fb25b0dbae06c2a472176f77ce9e722c8d2c82eb4

Download Submit
memory/232-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/232-29-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/232-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/232-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/232-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/232-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/232-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1600-49-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1600-31-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3540-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3540-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3540-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3716-43-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4808-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4808-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4808-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4808-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4876-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4876-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5012-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5012-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/5036-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5036-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5036-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5036-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download