neconyd | a7dd0737bb980e9eed5c06dd9c66e28943fa4e38495c833a7b3241f5c2e603b9

Analysis

max time kernel
145s
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
10/12/2024, 00:04

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General

Target

a7dd0737bb980e9eed5c06dd9c66e28943fa4e38495c833a7b3241f5c2e603b9.exe
Size

90KB
MD5

e70979f2cb5eb8e7e410b87a94f5af0b
SHA1

51669cacbd1c41b01b99e4bd68f4df34f3747ffe
SHA256

a7dd0737bb980e9eed5c06dd9c66e28943fa4e38495c833a7b3241f5c2e603b9
SHA512

3dd587df70334707211afe5a5038893971f656ced03a0853366c167c82528522b922a0dd9918df5648f885698ba97efc0e045f39a11883b4f94d0f160a1b17a8
SSDEEP

768:+MEIvFGvZEr8LFK0ic46N4zeSdPAHwmZGp6JXXlaa5uAa:+bIvYvZEyFKF6N4aS5AQmZTl/5i

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
4848	omsecor.exe
2648	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	a7dd0737bb980e9eed5c06dd9c66e28943fa4e38495c833a7b3241f5c2e603b9.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 2556 wrote to memory of 4848	2556	a7dd0737bb980e9eed5c06dd9c66e28943fa4e38495c833a7b3241f5c2e603b9.exe	85
PID 2556 wrote to memory of 4848	2556	a7dd0737bb980e9eed5c06dd9c66e28943fa4e38495c833a7b3241f5c2e603b9.exe	85
PID 2556 wrote to memory of 4848	2556	a7dd0737bb980e9eed5c06dd9c66e28943fa4e38495c833a7b3241f5c2e603b9.exe	85
PID 4848 wrote to memory of 2648	4848	omsecor.exe	103
PID 4848 wrote to memory of 2648	4848	omsecor.exe	103
PID 4848 wrote to memory of 2648	4848	omsecor.exe	103

C:\Users\Admin\AppData\Local\Temp\a7dd0737bb980e9eed5c06dd9c66e28943fa4e38495c833a7b3241f5c2e603b9.exe
"C:\Users\Admin\AppData\Local\Temp\a7dd0737bb980e9eed5c06dd9c66e28943fa4e38495c833a7b3241f5c2e603b9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2556
- 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:4848
- - 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:2648

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
e7d9f64a32cea5f699a2f92e029e259b

SHA1
2a19a9b580167988eab0eaeea25f69c3f7c2fd9f

SHA256
c93385637ac2e36361be2dcbf8bba832d3b60cf2d45a6fa3e1a3a3ea77897a12

SHA512
aa078325c751d07d9caef3e2fcc613bae018f3aef14b15d99ee6a07130e03d6f188fee1400ddd98607c5dd0783823252a2db790971d59ddd8b2c8d708ab5ff8c

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

Filesize
90KB

MD5
a98bddc2e150e29eabffc061c1f51d18

SHA1
6fc2e315e0a257a124a9f4c5c9b7d29fca7c9788

SHA256
aa5a897b4ce8f81b0689787c4568f29dfd93d1dca48dd319c7ded08297107ada

SHA512
145608e402b325d13db68c0839a6e6902cd19307c19f328175c4882adf62cb885863f088645c39b5e4be3943004574b5a4c078c8678941be7056b68467fe5e10

Download Submit
memory/2556-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2556-6-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2648-12-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2648-14-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4848-5-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4848-7-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4848-13-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download