neconyd | c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e

Analysis

max time kernel
147s
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
05-01-2025 05:10

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General

Target

c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe
Size

134KB
MD5

0d00526946b84d34a807a350500ce952
SHA1

6142c3bedab608c18b2b35572541a1047a63abe0
SHA256

c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e
SHA512

8aaa25fbe22a86b589495be5ffedb93640e326e587ebd0c1bd6f066d0ade720306ccde6373bd0ec813990c92cf5ef7f87c809bd749222198f0f1db3eef9cb3f1
SSDEEP

1536:bDfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCi9:XiRTeH0iqAW6J6f1tqF6dngNmaZCiaI

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
1324	omsecor.exe
4948	omsecor.exe
860	omsecor.exe
2332	omsecor.exe
3116	omsecor.exe
4276	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 4576 set thread context of 2804	4576	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe	82
PID 1324 set thread context of 4948	1324	omsecor.exe	86
PID 860 set thread context of 2332	860	omsecor.exe	100
PID 3116 set thread context of 4276	3116	omsecor.exe	104

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3304	4576	WerFault.exe	81
904	1324	WerFault.exe	85
1080	860	WerFault.exe	99
4840	3116	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	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.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 4576 wrote to memory of 2804	4576	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe	82
PID 4576 wrote to memory of 2804	4576	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe	82
PID 4576 wrote to memory of 2804	4576	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe	82
PID 4576 wrote to memory of 2804	4576	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe	82
PID 4576 wrote to memory of 2804	4576	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe	82
PID 2804 wrote to memory of 1324	2804	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe	85
PID 2804 wrote to memory of 1324	2804	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe	85
PID 2804 wrote to memory of 1324	2804	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe	85
PID 1324 wrote to memory of 4948	1324	omsecor.exe	86
PID 1324 wrote to memory of 4948	1324	omsecor.exe	86
PID 1324 wrote to memory of 4948	1324	omsecor.exe	86
PID 1324 wrote to memory of 4948	1324	omsecor.exe	86
PID 1324 wrote to memory of 4948	1324	omsecor.exe	86
PID 4948 wrote to memory of 860	4948	omsecor.exe	99
PID 4948 wrote to memory of 860	4948	omsecor.exe	99
PID 4948 wrote to memory of 860	4948	omsecor.exe	99
PID 860 wrote to memory of 2332	860	omsecor.exe	100
PID 860 wrote to memory of 2332	860	omsecor.exe	100
PID 860 wrote to memory of 2332	860	omsecor.exe	100
PID 860 wrote to memory of 2332	860	omsecor.exe	100
PID 860 wrote to memory of 2332	860	omsecor.exe	100
PID 2332 wrote to memory of 3116	2332	omsecor.exe	102
PID 2332 wrote to memory of 3116	2332	omsecor.exe	102
PID 2332 wrote to memory of 3116	2332	omsecor.exe	102
PID 3116 wrote to memory of 4276	3116	omsecor.exe	104
PID 3116 wrote to memory of 4276	3116	omsecor.exe	104
PID 3116 wrote to memory of 4276	3116	omsecor.exe	104
PID 3116 wrote to memory of 4276	3116	omsecor.exe	104
PID 3116 wrote to memory of 4276	3116	omsecor.exe	104

C:\Users\Admin\AppData\Local\Temp\c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe
"C:\Users\Admin\AppData\Local\Temp\c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4576
- C:\Users\Admin\AppData\Local\Temp\c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe
  C:\Users\Admin\AppData\Local\Temp\c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2804
- - 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:1324
  - - 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:4948
    - - 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:860
      - 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:2332
        
        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:3116
        
        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:4276
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3116 -s 256
        8⤵
        Program crash
        
        PID:4840
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 860 -s 292
        6⤵
        Program crash
        
        PID:1080
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1324 -s 288
      4⤵
      Program crash
      PID:904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4576 -s 288
  2⤵
  - Program crash
  PID:3304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4576 -ip 4576
1⤵
PID:4804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1324 -ip 1324
1⤵
PID:2364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 860 -ip 860
1⤵
PID:756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3116 -ip 3116
1⤵
PID:3176

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
9f0bb8e8449537e47f9edeb61bbdd633

SHA1
85148a46c2dedc88125db07eb5a1ddd89fe88a01

SHA256
284c601c1f7ed02052f8b8dd8a2f71e446e88577878fcfb9536c702fdc9c68b0

SHA512
ce9678b62e6fc64be4202722030dcde87e0ebf7d95eafb49c2991ecf9d5e92231bb94ecfd27df05cd059dc545aa75c2368862196d30e5aab2d2f051cff34acbe

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

Filesize
134KB

MD5
26b123b35375434cc474e9100c138a89

SHA1
189a1aca36bba7fbc4e48bcf7d3e35b191c8a145

SHA256
edea49cf3448b574be8d41bf09ef83568ff121705964ab3ed68e943b1b4d3c29

SHA512
e6fef0ed5d39e11c26cd0f95300b2da6795bcaca32335b6ca2107096c741877b90fbd43aac652f67530bff1d78099600e6caf1695e2baedd4315ea7f4ebbac05

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

Filesize
134KB

MD5
37a57749ee8863d72a51169e465849ca

SHA1
c620e1e0cf80a5de2b6a1905b922e9935cb37ae1

SHA256
4579f65d38962ad93c57a96a266d4ab717c3a05e095ba375841e3c38b43da010

SHA512
e55fe71e6c88ae85e7797a596bafb2aed66235d4b173829d848d2d0d1db8c394012703353f6ffc96d27c40700e2d83875f96508fdc6361bc79d24634e51e7935

Download Submit
memory/860-33-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1324-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1324-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2332-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2332-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2332-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2804-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2804-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2804-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2804-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3116-44-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4276-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4276-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4276-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4276-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4576-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4576-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4948-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4948-32-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4948-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4948-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4948-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4948-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4948-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download