neconyd | fe23843310c26dfb7f5f92e758180ab136b515fd66c63dce892371b08dc7d629

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-01-2025 10:19

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General

Target

fe23843310c26dfb7f5f92e758180ab136b515fd66c63dce892371b08dc7d629.exe
Size

90KB
MD5

d6751aa4248926f54bc9588bc65e4a1c
SHA1

3715e109a6275482254c3f0913eda579110466be
SHA256

fe23843310c26dfb7f5f92e758180ab136b515fd66c63dce892371b08dc7d629
SHA512

1a97366ab41e8ad1a13396eb95d6018487f90f2fab668dd3cfe9263a807de6154cc6e12b6c5bfbea481825087ea639dcc4695ea3bb38028e7a39d214c62af2b4
SSDEEP

768:FMEIvFGvZEr8LFK0ic46N4zeSdPAHwmZGp6JXXlaa5uA+:FbIvYvZEyFKF6N4aS5AQmZTl/5W

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
1788	omsecor.exe
548	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	fe23843310c26dfb7f5f92e758180ab136b515fd66c63dce892371b08dc7d629.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 6 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 1788	3644	fe23843310c26dfb7f5f92e758180ab136b515fd66c63dce892371b08dc7d629.exe	82
PID 3644 wrote to memory of 1788	3644	fe23843310c26dfb7f5f92e758180ab136b515fd66c63dce892371b08dc7d629.exe	82
PID 3644 wrote to memory of 1788	3644	fe23843310c26dfb7f5f92e758180ab136b515fd66c63dce892371b08dc7d629.exe	82
PID 1788 wrote to memory of 548	1788	omsecor.exe	92
PID 1788 wrote to memory of 548	1788	omsecor.exe	92
PID 1788 wrote to memory of 548	1788	omsecor.exe	92

C:\Users\Admin\AppData\Local\Temp\fe23843310c26dfb7f5f92e758180ab136b515fd66c63dce892371b08dc7d629.exe
"C:\Users\Admin\AppData\Local\Temp\fe23843310c26dfb7f5f92e758180ab136b515fd66c63dce892371b08dc7d629.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3644
- 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:1788
- - 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:548

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
90KB

MD5
7d3a37876afdb630ef3e8d18bace8aec

SHA1
0d4d8887804aa168bca57e0842fe7df2752a21fc

SHA256
240ac3b87a133772d045e0de7096db649ea1a7c6dfc849cdfa0ae0a7e4f95e6c

SHA512
77464004e1541de33a738956757c2b9622f2221d5712ec0349339cfaea13a2c6debb7241f96a6f5a3c7a83d2994bd652cf02213c5a2484e53545605c321044e1

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

Filesize
90KB

MD5
d82eec30921e57514fb3fdf79f835595

SHA1
54fef225430632f5aa79d8ebe61696b3b206faf4

SHA256
a311c74ff77d96dd22598bb99c274a32e065b1abff4ed6fc4f37032c90f4cf82

SHA512
d0a639a384bfb523809482b78557618f40296a219edcc1fbd030b42753d204da9d1b1e8c0b049d7e7128c47fce8e9352bcd66628470dfc8378c2b2b9cdc7ede7

Download Submit
memory/548-11-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/548-14-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1788-5-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1788-7-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1788-13-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3644-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3644-6-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download