neconyd | 5a65235160605cdca49f3f33060b2a9b16d4f28ea7e60c3f4e98210c09f3b020

Analysis

max time kernel
114s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 18:07

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General

Target

5a65235160605cdca49f3f33060b2a9b16d4f28ea7e60c3f4e98210c09f3b020.exe
Size

248KB
MD5

0a06e1be816ad0829750b2f214ac660a
SHA1

445ebc855644ad2d53647a7a3d46d54108d7238a
SHA256

5a65235160605cdca49f3f33060b2a9b16d4f28ea7e60c3f4e98210c09f3b020
SHA512

a3e540d17981efefb7ff2d9d4f96d9ec3b384636b478fe36aaad8cea63c413ff88cfecc5f85a102a0288df563c233b0dba46dfdec2d5d260a6165fdf85a0bc1e
SSDEEP

1536:H4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzUb:HIdseIO+EZEyFjEOFqTiQmGnOHjzUb

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
1456	omsecor.exe
2868	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/1596-0-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000a000000023bfc-3.dat	upx
behavioral2/memory/1596-5-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/1456-6-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/1456-7-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x0004000000011940-10.dat	upx
behavioral2/memory/2868-11-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/1456-13-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/2868-14-0x0000000000400000-0x000000000043E000-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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5a65235160605cdca49f3f33060b2a9b16d4f28ea7e60c3f4e98210c09f3b020.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 1456	1596	5a65235160605cdca49f3f33060b2a9b16d4f28ea7e60c3f4e98210c09f3b020.exe	82
PID 1596 wrote to memory of 1456	1596	5a65235160605cdca49f3f33060b2a9b16d4f28ea7e60c3f4e98210c09f3b020.exe	82
PID 1596 wrote to memory of 1456	1596	5a65235160605cdca49f3f33060b2a9b16d4f28ea7e60c3f4e98210c09f3b020.exe	82
PID 1456 wrote to memory of 2868	1456	omsecor.exe	92
PID 1456 wrote to memory of 2868	1456	omsecor.exe	92
PID 1456 wrote to memory of 2868	1456	omsecor.exe	92

C:\Users\Admin\AppData\Local\Temp\5a65235160605cdca49f3f33060b2a9b16d4f28ea7e60c3f4e98210c09f3b020.exe
"C:\Users\Admin\AppData\Local\Temp\5a65235160605cdca49f3f33060b2a9b16d4f28ea7e60c3f4e98210c09f3b020.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1596
- 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:1456
- - 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:2868

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
d7b9a08afe9a00050a6b57bf6a4ea12a

SHA1
a0d7b8428a338bfe2f71f97305ca9773f49bf8f3

SHA256
38755d7cfe98639849552da995dfedc64ecd04e90de403ad585571a589539478

SHA512
6e9c060e3918c4e1018252a3dca1433398603ea94f4e04aa3cd6bc6ed029d1e013194122ac73f897b9750619b4b29455b2c6678a7d7c7f54c5773b0a457da105

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

Filesize
248KB

MD5
aa089648a0ab8e7f54706ff39df28006

SHA1
e0b4429dbf60da613c67b6f3852009d403e5de03

SHA256
7de94333157b58b57d4f44c7c3629524bd37dee7d573e25d0d82a1e314fa349a

SHA512
226e528bf71bf052364fb4a558d0c1b38d08ed6a3af656cb2a5e8c16afae339da016c026d2171fb799f85e1b28bf05e85896d90806cff4571320cabedaeffc1e

Download Submit
memory/1456-6-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1456-7-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1456-13-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1596-0-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1596-5-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2868-11-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2868-14-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download