neconyd | f9f1fa1a40b158ac1e233b3d18a11ba71ce760e379e01fba2200598bdf00a5c1

Analysis

max time kernel
146s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/01/2025, 14:51

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General

Target

f9f1fa1a40b158ac1e233b3d18a11ba71ce760e379e01fba2200598bdf00a5c1.exe
Size

96KB
MD5

2d17db80c746f102a1c36b1d22186bc1
SHA1

362c08b5441f1f9bdbe8871a272374304081a977
SHA256

f9f1fa1a40b158ac1e233b3d18a11ba71ce760e379e01fba2200598bdf00a5c1
SHA512

65fe3886cfe0de9ac02d01c7409d807d6255798f81c52771b504cfab1c695fbc800aa7c0cc11d8cc2e124a2eba194bd39b0e3a9289c7a86429c75727ac9b820b
SSDEEP

1536:xnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxz:xGs8cd8eXlYairZYqMddH13z

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
4140	omsecor.exe
1964	omsecor.exe
4652	omsecor.exe
4732	omsecor.exe
4716	omsecor.exe
2416	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 2476 set thread context of 1664	2476	f9f1fa1a40b158ac1e233b3d18a11ba71ce760e379e01fba2200598bdf00a5c1.exe	83
PID 4140 set thread context of 1964	4140	omsecor.exe	88
PID 4652 set thread context of 4732	4652	omsecor.exe	108
PID 4716 set thread context of 2416	4716	omsecor.exe	112

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4496	2476	WerFault.exe	82
620	4140	WerFault.exe	86
3344	4652	WerFault.exe	107
4444	4716	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	f9f1fa1a40b158ac1e233b3d18a11ba71ce760e379e01fba2200598bdf00a5c1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f9f1fa1a40b158ac1e233b3d18a11ba71ce760e379e01fba2200598bdf00a5c1.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 2476 wrote to memory of 1664	2476	f9f1fa1a40b158ac1e233b3d18a11ba71ce760e379e01fba2200598bdf00a5c1.exe	83
PID 2476 wrote to memory of 1664	2476	f9f1fa1a40b158ac1e233b3d18a11ba71ce760e379e01fba2200598bdf00a5c1.exe	83
PID 2476 wrote to memory of 1664	2476	f9f1fa1a40b158ac1e233b3d18a11ba71ce760e379e01fba2200598bdf00a5c1.exe	83
PID 2476 wrote to memory of 1664	2476	f9f1fa1a40b158ac1e233b3d18a11ba71ce760e379e01fba2200598bdf00a5c1.exe	83
PID 2476 wrote to memory of 1664	2476	f9f1fa1a40b158ac1e233b3d18a11ba71ce760e379e01fba2200598bdf00a5c1.exe	83
PID 1664 wrote to memory of 4140	1664	f9f1fa1a40b158ac1e233b3d18a11ba71ce760e379e01fba2200598bdf00a5c1.exe	86
PID 1664 wrote to memory of 4140	1664	f9f1fa1a40b158ac1e233b3d18a11ba71ce760e379e01fba2200598bdf00a5c1.exe	86
PID 1664 wrote to memory of 4140	1664	f9f1fa1a40b158ac1e233b3d18a11ba71ce760e379e01fba2200598bdf00a5c1.exe	86
PID 4140 wrote to memory of 1964	4140	omsecor.exe	88
PID 4140 wrote to memory of 1964	4140	omsecor.exe	88
PID 4140 wrote to memory of 1964	4140	omsecor.exe	88
PID 4140 wrote to memory of 1964	4140	omsecor.exe	88
PID 4140 wrote to memory of 1964	4140	omsecor.exe	88
PID 1964 wrote to memory of 4652	1964	omsecor.exe	107
PID 1964 wrote to memory of 4652	1964	omsecor.exe	107
PID 1964 wrote to memory of 4652	1964	omsecor.exe	107
PID 4652 wrote to memory of 4732	4652	omsecor.exe	108
PID 4652 wrote to memory of 4732	4652	omsecor.exe	108
PID 4652 wrote to memory of 4732	4652	omsecor.exe	108
PID 4652 wrote to memory of 4732	4652	omsecor.exe	108
PID 4652 wrote to memory of 4732	4652	omsecor.exe	108
PID 4732 wrote to memory of 4716	4732	omsecor.exe	110
PID 4732 wrote to memory of 4716	4732	omsecor.exe	110
PID 4732 wrote to memory of 4716	4732	omsecor.exe	110
PID 4716 wrote to memory of 2416	4716	omsecor.exe	112
PID 4716 wrote to memory of 2416	4716	omsecor.exe	112
PID 4716 wrote to memory of 2416	4716	omsecor.exe	112
PID 4716 wrote to memory of 2416	4716	omsecor.exe	112
PID 4716 wrote to memory of 2416	4716	omsecor.exe	112

C:\Users\Admin\AppData\Local\Temp\f9f1fa1a40b158ac1e233b3d18a11ba71ce760e379e01fba2200598bdf00a5c1.exe
"C:\Users\Admin\AppData\Local\Temp\f9f1fa1a40b158ac1e233b3d18a11ba71ce760e379e01fba2200598bdf00a5c1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2476
- C:\Users\Admin\AppData\Local\Temp\f9f1fa1a40b158ac1e233b3d18a11ba71ce760e379e01fba2200598bdf00a5c1.exe
  C:\Users\Admin\AppData\Local\Temp\f9f1fa1a40b158ac1e233b3d18a11ba71ce760e379e01fba2200598bdf00a5c1.exe
  2⤵
  - 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
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4140
  - - 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:1964
    - - 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:4652
      - 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:4732
        
        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:4716
        
        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:2416
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4716 -s 268
        8⤵
        Program crash
        
        PID:4444
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4652 -s 292
        6⤵
        Program crash
        
        PID:3344
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 288
      4⤵
      Program crash
      PID:620
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 300
  2⤵
  - Program crash
  PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2476 -ip 2476
1⤵
PID:1556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4140 -ip 4140
1⤵
PID:1548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4652 -ip 4652
1⤵
PID:5012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4716 -ip 4716
1⤵
PID:3080

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
96KB

MD5
3ada111746a34f83ad8aa9871f6de920

SHA1
5984089e00b3d1e28f9e1a781ce5f36e2fa4c086

SHA256
f4415a3951673e530d930e7eaf90325fb52ac05247fbb533b857ec7c278b02fa

SHA512
821ed13ac5bea447ae03c82e9fb4a8ce3d56b24a10f338ad27c93c6ea1a9542375657a983eff8d9b9ec40eb737192bc4f395b0ae3b4d2bf59a7c78d3a1caeca0

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

Filesize
96KB

MD5
989c1d57b84e3cc6fc7068e40cb1ef91

SHA1
cf25f970e2bf352ab289b7d8525f7f0ba224d6cc

SHA256
a3f48785185fad31ba527be11a95833c0374fae11288f87dabe93065b87a5f3a

SHA512
576a492c9e919dad00d4ead3262c936fcb21769bc2b33b014502ce472f4e87dc96d95b0cddf3b7d43009469f9c46463513f0bf65e461a365ee9007d57724426e

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

Filesize
96KB

MD5
299b431401f5ecad6e33d5f94672629d

SHA1
41ab74dc0e16204ab7b22c503dcbe245d9a6a15d

SHA256
71c7d6c3decff9f26c0c92cb6fda5ff53fbf99204ba0d09e3784350949d6b393

SHA512
a5f2e0733b6e9c99aa276161d63040d2112f1e198a1b4634c9b9ca1859829e6d2e83668ac4506caa9decf8c59776ea3fbd0311b42198eff93a098de4f11e4ba6

Download Submit
memory/1664-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1664-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1664-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1664-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1964-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1964-29-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1964-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1964-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1964-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1964-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1964-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2416-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2416-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2416-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2416-52-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2476-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2476-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4140-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4140-10-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4652-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4652-50-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4716-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4732-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4732-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4732-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download