neconyd | ef4fa9b004946c519d1df02891808e66f59904036364f3fd8b271d9e072daa7c

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
08-12-2024 04:25

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General

Target

ef4fa9b004946c519d1df02891808e66f59904036364f3fd8b271d9e072daa7c.exe
Size

96KB
MD5

f8a08329c22573430f4c245f838c66a9
SHA1

bae4f0a052a2d0faf497a64949b6ee8fb32d6261
SHA256

ef4fa9b004946c519d1df02891808e66f59904036364f3fd8b271d9e072daa7c
SHA512

ef84286ac76a894c11b1cd6b7bb88ba0d209eb95653ede138be8a1a69f9e442135800680dc63c7690ac2c099bf52f5911687db106e56090605199679c81692ac
SSDEEP

1536:9nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxB:9Gs8cd8eXlYairZYqMddH13B

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
3600	omsecor.exe
2628	omsecor.exe
1924	omsecor.exe
4524	omsecor.exe
4684	omsecor.exe
3572	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 4216 set thread context of 2452	4216	ef4fa9b004946c519d1df02891808e66f59904036364f3fd8b271d9e072daa7c.exe	82
PID 3600 set thread context of 2628	3600	omsecor.exe	86
PID 1924 set thread context of 4524	1924	omsecor.exe	100
PID 4684 set thread context of 3572	4684	omsecor.exe	104

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3452	3600	WerFault.exe	84
1800	4216	WerFault.exe	81
1708	1924	WerFault.exe	99
3980	4684	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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef4fa9b004946c519d1df02891808e66f59904036364f3fd8b271d9e072daa7c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef4fa9b004946c519d1df02891808e66f59904036364f3fd8b271d9e072daa7c.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 4216 wrote to memory of 2452	4216	ef4fa9b004946c519d1df02891808e66f59904036364f3fd8b271d9e072daa7c.exe	82
PID 4216 wrote to memory of 2452	4216	ef4fa9b004946c519d1df02891808e66f59904036364f3fd8b271d9e072daa7c.exe	82
PID 4216 wrote to memory of 2452	4216	ef4fa9b004946c519d1df02891808e66f59904036364f3fd8b271d9e072daa7c.exe	82
PID 4216 wrote to memory of 2452	4216	ef4fa9b004946c519d1df02891808e66f59904036364f3fd8b271d9e072daa7c.exe	82
PID 4216 wrote to memory of 2452	4216	ef4fa9b004946c519d1df02891808e66f59904036364f3fd8b271d9e072daa7c.exe	82
PID 2452 wrote to memory of 3600	2452	ef4fa9b004946c519d1df02891808e66f59904036364f3fd8b271d9e072daa7c.exe	84
PID 2452 wrote to memory of 3600	2452	ef4fa9b004946c519d1df02891808e66f59904036364f3fd8b271d9e072daa7c.exe	84
PID 2452 wrote to memory of 3600	2452	ef4fa9b004946c519d1df02891808e66f59904036364f3fd8b271d9e072daa7c.exe	84
PID 3600 wrote to memory of 2628	3600	omsecor.exe	86
PID 3600 wrote to memory of 2628	3600	omsecor.exe	86
PID 3600 wrote to memory of 2628	3600	omsecor.exe	86
PID 3600 wrote to memory of 2628	3600	omsecor.exe	86
PID 3600 wrote to memory of 2628	3600	omsecor.exe	86
PID 2628 wrote to memory of 1924	2628	omsecor.exe	99
PID 2628 wrote to memory of 1924	2628	omsecor.exe	99
PID 2628 wrote to memory of 1924	2628	omsecor.exe	99
PID 1924 wrote to memory of 4524	1924	omsecor.exe	100
PID 1924 wrote to memory of 4524	1924	omsecor.exe	100
PID 1924 wrote to memory of 4524	1924	omsecor.exe	100
PID 1924 wrote to memory of 4524	1924	omsecor.exe	100
PID 1924 wrote to memory of 4524	1924	omsecor.exe	100
PID 4524 wrote to memory of 4684	4524	omsecor.exe	102
PID 4524 wrote to memory of 4684	4524	omsecor.exe	102
PID 4524 wrote to memory of 4684	4524	omsecor.exe	102
PID 4684 wrote to memory of 3572	4684	omsecor.exe	104
PID 4684 wrote to memory of 3572	4684	omsecor.exe	104
PID 4684 wrote to memory of 3572	4684	omsecor.exe	104
PID 4684 wrote to memory of 3572	4684	omsecor.exe	104
PID 4684 wrote to memory of 3572	4684	omsecor.exe	104

C:\Users\Admin\AppData\Local\Temp\ef4fa9b004946c519d1df02891808e66f59904036364f3fd8b271d9e072daa7c.exe
"C:\Users\Admin\AppData\Local\Temp\ef4fa9b004946c519d1df02891808e66f59904036364f3fd8b271d9e072daa7c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4216
- C:\Users\Admin\AppData\Local\Temp\ef4fa9b004946c519d1df02891808e66f59904036364f3fd8b271d9e072daa7c.exe
  C:\Users\Admin\AppData\Local\Temp\ef4fa9b004946c519d1df02891808e66f59904036364f3fd8b271d9e072daa7c.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2452
- - 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:3600
  - - 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:2628
    - - 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:1924
      - 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:4524
        
        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:4684
        
        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:3572
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4684 -s 252
        8⤵
        Program crash
        
        PID:3980
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 292
        6⤵
        Program crash
        
        PID:1708
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3600 -s 300
      4⤵
      Program crash
      PID:3452
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 288
  2⤵
  - Program crash
  PID:1800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4216 -ip 4216
1⤵
PID:3700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3600 -ip 3600
1⤵
PID:3092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1924 -ip 1924
1⤵
PID:3136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 4684 -ip 4684
1⤵
PID:1384

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
8fb7b806fff402baeaaa4d7b6f921d2e

SHA1
01d401a410b98c409f371ec0a86ea9ecc0bff667

SHA256
dc5c4e76220a9503baa973918e0069e97d3fdb4e43bd94e95cb42be2a9b00743

SHA512
e9a3415b81569c67d404a8806f193ced9edb1ad46bf44e58de565c3f1d2d2e4c062218e6560210de084002ba9e1449f11bca9e79b938128a51594aa4f41b1e1e

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

Filesize
96KB

MD5
967e0b4dcbfef0b1b6ebb793811cc2bb

SHA1
3e2c1162b334fb4000e3b9aff0c4feef02d25ea3

SHA256
c772a34d9bc5d96a11662dda1cb8438c89f74b357f597b52cc53cc900dbd664f

SHA512
9a61df8c620c444032f287d99a39db92445e3289a62175b1e1c9243b7f77497d34d595869e8b97598597317210546dd14503fd1f79793984288ac4963ea4cba0

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

Filesize
96KB

MD5
a89e571cc5fc19846916300ee049cbd3

SHA1
48ccb4ca760e5004cb92d95c17f630ee5b022621

SHA256
dc199003dd5308a2ec580220744bc596a5433aa96eaed22b4b689a33bb47f8c2

SHA512
db8ff84dfae7c40fbb404a7a87f02ca5520d9222a9934e13a1d0fadb1dd2a607ba2a8a792f41f40a4e5beda94da4b5e501874876da2656ce084e96a78a80f32a

Download Submit
memory/1924-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1924-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2452-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2452-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2452-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2452-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2628-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2628-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2628-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2628-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2628-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2628-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2628-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3572-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3572-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3572-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3572-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3600-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3600-10-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4216-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4216-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4524-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4524-43-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4524-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4684-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download