neconyd | 2989d1d879a087cd860f0ba544267551a1a99b91f961258876518567bdfbfbea

Analysis

max time kernel
115s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-01-2025 22:02

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General

Target

2989d1d879a087cd860f0ba544267551a1a99b91f961258876518567bdfbfbea.exe
Size

76KB
MD5

6351bf0b2c857a252d51c3442c498476
SHA1

684e30fb9169d36080114ae44ece8e9d206675a1
SHA256

2989d1d879a087cd860f0ba544267551a1a99b91f961258876518567bdfbfbea
SHA512

9ceea7634d447cfa772d744cee31d38b74697d12e44308027bd4eda508887e7c73807e112c90caaae31a9b21a2c7bae7935d203ed12b0b66e012d357b7ded083
SSDEEP

1536:5d9dseIOcE93bIvYvZEyF4EEOF6N4XS+AQmZTl/5w11J:ZdseIOMEZEyFjEOFqaiQm5l/5w11J

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 2 IoCs

pid	Process
3232	omsecor.exe
1676	omsecor.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\omsecor.exe	omsecor.exe
File opened for modification	C:\Windows\SysWOW64\merocz.xc6	omsecor.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	2989d1d879a087cd860f0ba544267551a1a99b91f961258876518567bdfbfbea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 3232	2788	2989d1d879a087cd860f0ba544267551a1a99b91f961258876518567bdfbfbea.exe	83
PID 2788 wrote to memory of 3232	2788	2989d1d879a087cd860f0ba544267551a1a99b91f961258876518567bdfbfbea.exe	83
PID 2788 wrote to memory of 3232	2788	2989d1d879a087cd860f0ba544267551a1a99b91f961258876518567bdfbfbea.exe	83
PID 3232 wrote to memory of 1676	3232	omsecor.exe	100
PID 3232 wrote to memory of 1676	3232	omsecor.exe	100
PID 3232 wrote to memory of 1676	3232	omsecor.exe	100

C:\Users\Admin\AppData\Local\Temp\2989d1d879a087cd860f0ba544267551a1a99b91f961258876518567bdfbfbea.exe
"C:\Users\Admin\AppData\Local\Temp\2989d1d879a087cd860f0ba544267551a1a99b91f961258876518567bdfbfbea.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Users\Admin\AppData\Roaming\omsecor.exe
  C:\Users\Admin\AppData\Roaming\omsecor.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3232
- - C:\Windows\SysWOW64\omsecor.exe
    C:\Windows\System32\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    PID:1676

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

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Downloads

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

Filesize
76KB

MD5
e82fb72d9232e45518e88ef92a09affb

SHA1
4d4c1557630d60f88aa6f25ceb8574f2e01e0cac

SHA256
f871547f02043169fc839f6029371fa029826b901971db6210441a922a5ab628

SHA512
5216404853fa7609dcabe7d23cbbbc5b2d5968b168d453ded8883e034d0e6ca5af13cff4a8c3c1170eb1384e470fb1179bc850be6a173d9579549b5b3576db34

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

Filesize
76KB

MD5
e51643d576294df5ad21e974d0f2e277

SHA1
37aeac3954f1e52ba029c1cfaff83b49e3261d99

SHA256
f41199bfc57804d561c8e1c95dca4966099058b742820329ba11502b53cd327b

SHA512
e3122d99190c9a518895f5d4e062559d68d31bf399a5d38b69095ca14e06ce2955f3d05f1814dafc240fdf646be41f2d1fec435775370eb60771b78fe4867bb1

Download Submit
memory/1676-11-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1676-14-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2788-0-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2788-6-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3232-4-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3232-7-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3232-13-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download