neconyd | 6cfe1a02ba68b7dd358f8c5d9ad441f2d11632a52c2041f7030860384ac3e247

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 23:02

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General

Target

6cfe1a02ba68b7dd358f8c5d9ad441f2d11632a52c2041f7030860384ac3e247.exe
Size

248KB
MD5

4d479461bba10b78c07c0fec522ae102
SHA1

7470a2ec74ecf234e8c7ebf54a870be50ec41835
SHA256

6cfe1a02ba68b7dd358f8c5d9ad441f2d11632a52c2041f7030860384ac3e247
SHA512

1aab644ef397e43a99db9a987f24e19f6205bade174754b6901b73980224080b42d7c771562bc80053625074d00ef04b574fc9f21f6821c886262f3c7d76fe6b
SSDEEP

1536:s4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:sIdseIO+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
2528	omsecor.exe
1920	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/2452-0-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/2528-4-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000c000000023bae-3.dat	upx
behavioral2/memory/2452-5-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/2528-7-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000c0000000219e5-10.dat	upx
behavioral2/memory/1920-11-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/2528-12-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/1920-14-0x0000000000400000-0x000000000043E000-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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6cfe1a02ba68b7dd358f8c5d9ad441f2d11632a52c2041f7030860384ac3e247.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 2528	2452	6cfe1a02ba68b7dd358f8c5d9ad441f2d11632a52c2041f7030860384ac3e247.exe	83
PID 2452 wrote to memory of 2528	2452	6cfe1a02ba68b7dd358f8c5d9ad441f2d11632a52c2041f7030860384ac3e247.exe	83
PID 2452 wrote to memory of 2528	2452	6cfe1a02ba68b7dd358f8c5d9ad441f2d11632a52c2041f7030860384ac3e247.exe	83
PID 2528 wrote to memory of 1920	2528	omsecor.exe	100
PID 2528 wrote to memory of 1920	2528	omsecor.exe	100
PID 2528 wrote to memory of 1920	2528	omsecor.exe	100

C:\Users\Admin\AppData\Local\Temp\6cfe1a02ba68b7dd358f8c5d9ad441f2d11632a52c2041f7030860384ac3e247.exe
"C:\Users\Admin\AppData\Local\Temp\6cfe1a02ba68b7dd358f8c5d9ad441f2d11632a52c2041f7030860384ac3e247.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2452
- 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:2528
- - 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:1920

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
189f665be007e72e19e0438ce314c542

SHA1
0f48523dbd1b0c76ac1139a9648225ba0d7087e3

SHA256
a999a43978569cec2da6a92cb402db18fe48dd3f9ba0c4fd744f91d80ef43ff8

SHA512
7171499c7a8f0c076bc474ffd4a802e949c6e4c5625d288f6f0d4f2afd9652d096227d47124a3e026249ed8801d9943455a8565c8d824276be050fb973d8812a

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

Filesize
248KB

MD5
2b1d94ab9d125303bd41f9da25334e44

SHA1
3525f9f69336d933b295ccf487f55bb257b56d91

SHA256
06d903cf9efc88d831b939a7f0d6f1d1682d8712c37f1de03bf665c10134f5cf

SHA512
bd80157639d2937ff2649b7c5765fd20660ec7b6529eb91d34444b54b937bb12ebfe14f27e15040c7b858e434997815d0aba529817c7e7de0694155b5e681f1f

Download Submit
memory/1920-11-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1920-14-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2452-0-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2452-5-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2528-4-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2528-7-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2528-12-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download