neconyd | d42d0bcec7908cf5141db8b57a09f5011b7f75943fcf4b4606c5e9e435ee1810

Analysis

max time kernel
145s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-12-2024 03:16

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General

Target

d42d0bcec7908cf5141db8b57a09f5011b7f75943fcf4b4606c5e9e435ee1810.exe
Size

90KB
MD5

d1cbebb87a50f19ebe40d068ab9b2e3a
SHA1

1a40cc5fb7be80577cc1eabd53a48e6d8d64c4ea
SHA256

d42d0bcec7908cf5141db8b57a09f5011b7f75943fcf4b4606c5e9e435ee1810
SHA512

c10eb92a6879effb6c9502eaafb327857f918cc0b820dc1015a072e55eaf3aaa37a9df13e857bca0145e0621989d586e1b6bd6727c5b16ed5f3630d6fabb439d
SSDEEP

768:EMEIvFGvZEr8LFK0ic46N4zeSdPAHwmZGp6JXXlaa5uAa:EbIvYvZEyFKF6N4aS5AQmZTl/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 3 IoCs

pid	Process
4152	omsecor.exe
5008	omsecor.exe
2684	omsecor.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\omsecor.exe	omsecor.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	d42d0bcec7908cf5141db8b57a09f5011b7f75943fcf4b4606c5e9e435ee1810.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3796 wrote to memory of 4152	3796	d42d0bcec7908cf5141db8b57a09f5011b7f75943fcf4b4606c5e9e435ee1810.exe	83
PID 3796 wrote to memory of 4152	3796	d42d0bcec7908cf5141db8b57a09f5011b7f75943fcf4b4606c5e9e435ee1810.exe	83
PID 3796 wrote to memory of 4152	3796	d42d0bcec7908cf5141db8b57a09f5011b7f75943fcf4b4606c5e9e435ee1810.exe	83
PID 4152 wrote to memory of 5008	4152	omsecor.exe	100
PID 4152 wrote to memory of 5008	4152	omsecor.exe	100
PID 4152 wrote to memory of 5008	4152	omsecor.exe	100
PID 5008 wrote to memory of 2684	5008	omsecor.exe	101
PID 5008 wrote to memory of 2684	5008	omsecor.exe	101
PID 5008 wrote to memory of 2684	5008	omsecor.exe	101

C:\Users\Admin\AppData\Local\Temp\d42d0bcec7908cf5141db8b57a09f5011b7f75943fcf4b4606c5e9e435ee1810.exe
"C:\Users\Admin\AppData\Local\Temp\d42d0bcec7908cf5141db8b57a09f5011b7f75943fcf4b4606c5e9e435ee1810.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3796
- 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:4152
- - C:\Windows\SysWOW64\omsecor.exe
    C:\Windows\System32\omsecor.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5008
  - - C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2684

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
3fb88b8d1c9513e8422b9d72aa704cfa

SHA1
e9de68e359efeb107025186e5e592ed6fe4f57e4

SHA256
fe90f034415f9e9c7788636007733f591cdf7f364d87d60aac372ebd314737f1

SHA512
6cd83373ef4852b57126bfe8fea5d3cdb8b0371c44438e00cafce955b1aadc0322a748b0330c909d5621d39ae3b4742103e7fbe07addceebde07e81fe39d4ac2

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

Filesize
90KB

MD5
6ba426446de78e3ed07c8211f028ef8b

SHA1
835beafbc008cac4e94cb03dd9d808d315479d90

SHA256
5a9ffa467ee5aa96a1e70ad7e0daafc66f6fa147202f7f412c48b9e7a32c0084

SHA512
d30f804f290e3f628be0e495acd6fc584d877746538f498432fe5958b33fda1a38465246044879eaae7c699855fbe6a568b416df50dd493f356a198ab1e0d531

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

Filesize
90KB

MD5
203ce65d3199e4a304e21ebc2548a5f3

SHA1
832c8e0cc9b4d4c58f7488b318fbf78ff067d348

SHA256
5d3bde7e462ef6a821bc5399173aef3afd51a694dc3bffbf7412ffb3aea2bf1b

SHA512
e212046a61c9c358e78ba3f09a11bab7d3a10732d566a48dbe48797d0427e321feade3d4245e6e7a483ef27df4d922aeb3d4ce8885750c66f8a3a479db638617

Download Submit
memory/2684-18-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2684-20-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3796-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3796-5-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4152-4-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4152-7-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4152-12-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/5008-11-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/5008-17-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download