neconyd | c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e

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
05/01/2025, 05:19

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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
4008	omsecor.exe
4420	omsecor.exe
1080	omsecor.exe
5084	omsecor.exe
4200	omsecor.exe
1608	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 3080 set thread context of 3252	3080	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe	83
PID 4008 set thread context of 4420	4008	omsecor.exe	87
PID 1080 set thread context of 5084	1080	omsecor.exe	108
PID 4200 set thread context of 1608	4200	omsecor.exe	112

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3300	4008	WerFault.exe	85
2128	3080	WerFault.exe	82
4348	1080	WerFault.exe	107
3140	4200	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	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
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

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3080 wrote to memory of 3252	3080	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe	83
PID 3080 wrote to memory of 3252	3080	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe	83
PID 3080 wrote to memory of 3252	3080	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe	83
PID 3080 wrote to memory of 3252	3080	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe	83
PID 3080 wrote to memory of 3252	3080	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe	83
PID 3252 wrote to memory of 4008	3252	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe	85
PID 3252 wrote to memory of 4008	3252	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe	85
PID 3252 wrote to memory of 4008	3252	c01b7fba0c779535f8f189195715fbc8f559a81844c572f5c3f01d6062b79c0e.exe	85
PID 4008 wrote to memory of 4420	4008	omsecor.exe	87
PID 4008 wrote to memory of 4420	4008	omsecor.exe	87
PID 4008 wrote to memory of 4420	4008	omsecor.exe	87
PID 4008 wrote to memory of 4420	4008	omsecor.exe	87
PID 4008 wrote to memory of 4420	4008	omsecor.exe	87
PID 4420 wrote to memory of 1080	4420	omsecor.exe	107
PID 4420 wrote to memory of 1080	4420	omsecor.exe	107
PID 4420 wrote to memory of 1080	4420	omsecor.exe	107
PID 1080 wrote to memory of 5084	1080	omsecor.exe	108
PID 1080 wrote to memory of 5084	1080	omsecor.exe	108
PID 1080 wrote to memory of 5084	1080	omsecor.exe	108
PID 1080 wrote to memory of 5084	1080	omsecor.exe	108
PID 1080 wrote to memory of 5084	1080	omsecor.exe	108
PID 5084 wrote to memory of 4200	5084	omsecor.exe	110
PID 5084 wrote to memory of 4200	5084	omsecor.exe	110
PID 5084 wrote to memory of 4200	5084	omsecor.exe	110
PID 4200 wrote to memory of 1608	4200	omsecor.exe	112
PID 4200 wrote to memory of 1608	4200	omsecor.exe	112
PID 4200 wrote to memory of 1608	4200	omsecor.exe	112
PID 4200 wrote to memory of 1608	4200	omsecor.exe	112
PID 4200 wrote to memory of 1608	4200	omsecor.exe	112

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:3080
- 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:3252
- - 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:4008
  - - 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:4420
    - - 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:1080
      - 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:5084
        
        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:4200
        
        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:1608
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4200 -s 256
        8⤵
        Program crash
        
        PID:3140
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1080 -s 292
        6⤵
        Program crash
        
        PID:4348
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4008 -s 288
      4⤵
      Program crash
      PID:3300
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3080 -s 288
  2⤵
  - Program crash
  PID:2128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3080 -ip 3080
1⤵
PID:116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4008 -ip 4008
1⤵
PID:4528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1080 -ip 1080
1⤵
PID:1144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4200 -ip 4200
1⤵
PID:4392

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
ba8f13f73802a24b638ada86abdd8728

SHA1
50ee4db337315c267f4d0eee79e26fa7d4d47c4c

SHA256
620c9f54101a0f34e0f6c71765da5e402ab7c49694bbe5255f856ff542c76866

SHA512
461f781433bbd0ba38e864f309e00fed94cbe7a982fd3462cc39450ffb27c3a621e1eb37eb5259aa30cd28b5f2df6d0cfaf0d260164318405ac777bcd7d47068

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
09ec5e5985876234f5187f8c47ab5e6c

SHA1
e058f7288248aafa1619cb4907a515874f71a923

SHA256
5fc71ce8c21d100832c4a2bf53b8606dc583b1860f15f392093af8e31c139727

SHA512
648836053a7f9360879b79e9597974172c8e91c9a1add3507e6cfd0292e9a1f4001bfe2c06a47693f9c83317a730e434efaa5139a088d0689537ddad52d3174e

Download Submit
memory/1080-30-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1080-49-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1608-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1608-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1608-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1608-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3080-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3080-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3252-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3252-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3252-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3252-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4008-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4008-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4200-43-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4420-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4420-28-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4420-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4420-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4420-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4420-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4420-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5084-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5084-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5084-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download