neconyd | 0bf5a6f651f91d8f3f54fb1432423cd35329b483c3b6d8a9ec9ec5a08f1a3c28

Resubmissions

20/08/2024, 08:12

240820-j3696avgqk

20/08/2024, 08:10

240820-j2nresvgll10

Analysis

max time kernel
114s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/08/2024, 08:10

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
7dd2d58d7e183cb788b43c75a6df7e40N.exe
Size 248KB
Sample240820-j2nresvgll
SHA256 0bf5a6f651f91d8f3f54fb1432423cd35329b483c3b6d8a9ec9ec5a08f1a3c28
MD5 7dd2d58d7e183cb788b43c75a6df7e40
SHA1 11f4bda8131fe9882041a3b380e18c3d07622231
SHA512 bf54f13adf60f14cbcbe00b75a0b3a97d24aac0cce7135fa7c47edbbdd5badc0c9322ea4f2da92cba96c143f6775e12111193d4b851cebf6c38055e936538225
SSDEEP 1536:74d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:7IdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

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

Executes dropped EXE 2 IoCs

pid	Process
1332	omsecor.exe
1940	omsecor.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1984-0-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000900000002347c-3.dat	upx
behavioral2/memory/1332-4-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/1984-6-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/1332-7-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x00090000000234f0-10.dat	upx
behavioral2/memory/1940-11-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/1332-13-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/1940-14-0x0000000000400000-0x000000000043E000-memory.dmp	upx

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	7dd2d58d7e183cb788b43c75a6df7e40N.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 1984 wrote to memory of 1332	1984	7dd2d58d7e183cb788b43c75a6df7e40N.exe	84
PID 1984 wrote to memory of 1332	1984	7dd2d58d7e183cb788b43c75a6df7e40N.exe	84
PID 1984 wrote to memory of 1332	1984	7dd2d58d7e183cb788b43c75a6df7e40N.exe	84
PID 1332 wrote to memory of 1940	1332	omsecor.exe	101
PID 1332 wrote to memory of 1940	1332	omsecor.exe	101
PID 1332 wrote to memory of 1940	1332	omsecor.exe	101

C:\Users\Admin\AppData\Local\Temp\7dd2d58d7e183cb788b43c75a6df7e40N.exe
"C:\Users\Admin\AppData\Local\Temp\7dd2d58d7e183cb788b43c75a6df7e40N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1984
- 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:1332
- - 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:1940

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

Loading Replay Monitor...

Downloads

omsecor.exe

Path C:\Users\Admin\AppData\Roaming\omsecor.exe
Size 248KB
SHA256 a4bf3e5b80940bb8a1ebc16df082d8c369c3799e4f82cd228720ecb0467ed999
MD5 822a37c441eb37ecd343c04b2d50c87a
SHA1 b96e7609bca07d9287d7f5e046e41f7ed08d75a8
SHA512 1c14e4a26df8aba63c10aa646808485ae1aebca0fb5b06fabdab1a1689606e83898c318144cdd7119e76483272ed5f56a61b6229b3baeea43a66623672617c0b
SSDEEP 1536:L4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:LIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

Submit Download

omsecor.exe

Path C:\Windows\SysWOW64\omsecor.exe
Size 248KB
SHA256 6c63a53cd9b2fa7a4d8a8e15e5ab3d3c4701b151d0703537724a3b5dd26bb2ac
MD5 125b3764dde38a516f066f6b1211075f
SHA1 7b00d031f74c8f300d4640069b1620b44e3d1ab2
SHA512 8a492c1c8fa4c2bcf60eb8cd73c7eb09909364ae31f73a99f5baefca8ea5db3c3c75e1ced0776e24caeeb44441e33f102ea14a06aada36127173e3ec91caa28f
SSDEEP 1536:34d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:3IdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1332-4-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/1332-7-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/1332-13-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/1940-11-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/1940-14-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/1984-0-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/1984-6-0x0000000000400000-0x000000000043E000-memory.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads