neconyd | 19fbba587a6d3d4b6540a879f2bcaa206c3e1ec6b4ee80e58184779178ab849f

Analysis

max time kernel
114s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/11/2024, 05:59

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General

Target

19fbba587a6d3d4b6540a879f2bcaa206c3e1ec6b4ee80e58184779178ab849fN.exe
Size

248KB
MD5

97011734bf948f491928816794a03a10
SHA1

9341e36a596980bec4e474a2d20c4c5edc9497ef
SHA256

19fbba587a6d3d4b6540a879f2bcaa206c3e1ec6b4ee80e58184779178ab849f
SHA512

3604f417b2c38646612f7f51667e98e32003173b74c4fc3caf08eb289dfc3ec11293a467f79321ac01a82afd9df40bf1d4211f855b1e61a2656935e18b7bae27
SSDEEP

1536:R4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:RIdseIO+EZEyFjEOFqTiQmGnOHjzU

Score

10^/10

neconyd discovery trojan upx

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
5008	omsecor.exe
2636	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

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1724-0-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/5008-4-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000c000000023b50-5.dat	upx
behavioral2/memory/1724-6-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/5008-7-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x0002000000021f4b-10.dat	upx
behavioral2/memory/2636-11-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/5008-12-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/2636-14-0x0000000000400000-0x000000000043E000-memory.dmp	upx

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	19fbba587a6d3d4b6540a879f2bcaa206c3e1ec6b4ee80e58184779178ab849fN.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 1724 wrote to memory of 5008	1724	19fbba587a6d3d4b6540a879f2bcaa206c3e1ec6b4ee80e58184779178ab849fN.exe	83
PID 1724 wrote to memory of 5008	1724	19fbba587a6d3d4b6540a879f2bcaa206c3e1ec6b4ee80e58184779178ab849fN.exe	83
PID 1724 wrote to memory of 5008	1724	19fbba587a6d3d4b6540a879f2bcaa206c3e1ec6b4ee80e58184779178ab849fN.exe	83
PID 5008 wrote to memory of 2636	5008	omsecor.exe	101
PID 5008 wrote to memory of 2636	5008	omsecor.exe	101
PID 5008 wrote to memory of 2636	5008	omsecor.exe	101

C:\Users\Admin\AppData\Local\Temp\19fbba587a6d3d4b6540a879f2bcaa206c3e1ec6b4ee80e58184779178ab849fN.exe
"C:\Users\Admin\AppData\Local\Temp\19fbba587a6d3d4b6540a879f2bcaa206c3e1ec6b4ee80e58184779178ab849fN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1724
- 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:5008
- - 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:2636

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
248KB

MD5
f9dea7a4cf591f55dc1841de92c8be97

SHA1
7c3857149257e1dd448d25ffd2f58ded418f4f72

SHA256
4d3c3809cb9d88ff3ffa3df310346c09d5cf834b23063ecbdb3debff17a748d8

SHA512
27d836d6fa2210e7a44a695ed1f513d01f98e5c99b7a16405df0c7ea4a4e24ea7a02e5e3929b3c9a296101811b55a7d6695cd6d2abb9fea7d75b1ca3b42ca211

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

Filesize
248KB

MD5
70bd89aa798c723f616431040844d106

SHA1
44919e73f2adc983c98f5e1e263a273da057552a

SHA256
11bdfe3b97c2615b41ebd2c7f80578a9589a5485cec7a94b64dfccf23d1c6fcd

SHA512
e9a13c79ed772d6dfa70318a0144d193c792bc1570180fd25f88c679f312ea84e829098e9587f12f0d7f408347a7f71d65984c70266dbbcf1e396151bf4975f4

Download Submit
memory/1724-0-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1724-6-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2636-11-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2636-14-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/5008-4-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/5008-7-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/5008-12-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download