neconyd | 5158cec155da041a20a1050931383d979c09b20d99b675ec8937bc608bd804fb

Analysis

max time kernel
147s
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
08-12-2024 22:38

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General

Target

5158cec155da041a20a1050931383d979c09b20d99b675ec8937bc608bd804fb.exe
Size

90KB
MD5

9b25c1f85a6513af8ed1b13d6016eb3f
SHA1

d4206f9739fabf88b8d62af447a1f7e7bee7e59e
SHA256

5158cec155da041a20a1050931383d979c09b20d99b675ec8937bc608bd804fb
SHA512

503d887daaa2fb19e91938ce7404fa1ff3f7b61db909c3e186787a2ef859ec0794cc09aa0ffafba6c7af7585912547278f85b6022d00f20ded7bd3ccf8f59d6e
SSDEEP

768:SMEIvFGvZEr8LFK0ic46N4zeSdPAHwmZGp6JXXlaa5uA:SbIvYvZEyFKF6N4aS5AQmZTl/5

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
4516	omsecor.exe
4348	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	5158cec155da041a20a1050931383d979c09b20d99b675ec8937bc608bd804fb.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 5056 wrote to memory of 4516	5056	5158cec155da041a20a1050931383d979c09b20d99b675ec8937bc608bd804fb.exe	82
PID 5056 wrote to memory of 4516	5056	5158cec155da041a20a1050931383d979c09b20d99b675ec8937bc608bd804fb.exe	82
PID 5056 wrote to memory of 4516	5056	5158cec155da041a20a1050931383d979c09b20d99b675ec8937bc608bd804fb.exe	82
PID 4516 wrote to memory of 4348	4516	omsecor.exe	91
PID 4516 wrote to memory of 4348	4516	omsecor.exe	91
PID 4516 wrote to memory of 4348	4516	omsecor.exe	91

C:\Users\Admin\AppData\Local\Temp\5158cec155da041a20a1050931383d979c09b20d99b675ec8937bc608bd804fb.exe
"C:\Users\Admin\AppData\Local\Temp\5158cec155da041a20a1050931383d979c09b20d99b675ec8937bc608bd804fb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5056
- 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:4516
- - 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:4348

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
90KB

MD5
af5f13407c10c09639b0f455c43c83b5

SHA1
39595fc06b40f10fac25eb20f0e1ab9ddde74325

SHA256
3b593407ceb0db84fca0d7937d647dcd3dafcdc408887d4eed4a7244e48f5c2a

SHA512
678562c438c7b76bc08dd94d0824dcc8648cc8e27ae7e3ac770e1a64d4c6502975042e4063cb80b719c0b58f72f7c373c2bcd68bb914c26d7e15b53fe7070517

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

Filesize
90KB

MD5
ee2c8ceaf4adc9cf8e8eb41b85c76847

SHA1
21f8efd56ed69fbb9904e3f498ff4f9a3f24e009

SHA256
b50eb016400396e75728569b6033be00102e751bf2a4bea41245df87f80d331e

SHA512
8d839bd1817dbb1767df2d13c89470b0557c6c1cc95044454bd04bd116125f0b9e5ee7a3489f579f72e988f1559a8cb06a4750bc94f30bd4abda61da81fc3189

Download Submit
memory/4348-11-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4348-14-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4516-4-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4516-7-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4516-13-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/5056-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/5056-6-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download