neconyd | c5742e3c9106c3a42d412621f21cd2b6b571266f96b56407358f09186ee63ccb

Analysis

max time kernel
114s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 01:49

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
e3f3322f1e6d3f2e60f2812fa66d87b0N.exe
Size 248KB
Sample240821-b85phsthra
SHA256 c5742e3c9106c3a42d412621f21cd2b6b571266f96b56407358f09186ee63ccb
MD5 e3f3322f1e6d3f2e60f2812fa66d87b0
SHA1 daef4e4de3022cbdf9900b49f3f338b4fc0c23b4
SHA512 93d5c99555c3df9f26652bbef74c0df0be256e722a0b1d0143ed8990eac8b81124c9624ac391ec75cd5432b287430eec4864a8393a9333b5ecbb09f8d362d55e
SSDEEP 1536:o4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:oIdseIO+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
4820	omsecor.exe
3604	omsecor.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2412-0-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x0008000000023434-3.dat	upx
behavioral2/memory/4820-5-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/2412-6-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4820-7-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x0009000000023445-10.dat	upx
behavioral2/memory/3604-11-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4820-12-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/3604-14-0x0000000000400000-0x000000000043E000-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	e3f3322f1e6d3f2e60f2812fa66d87b0N.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 2412 wrote to memory of 4820	2412	e3f3322f1e6d3f2e60f2812fa66d87b0N.exe	84
PID 2412 wrote to memory of 4820	2412	e3f3322f1e6d3f2e60f2812fa66d87b0N.exe	84
PID 2412 wrote to memory of 4820	2412	e3f3322f1e6d3f2e60f2812fa66d87b0N.exe	84
PID 4820 wrote to memory of 3604	4820	omsecor.exe	103
PID 4820 wrote to memory of 3604	4820	omsecor.exe	103
PID 4820 wrote to memory of 3604	4820	omsecor.exe	103

C:\Users\Admin\AppData\Local\Temp\e3f3322f1e6d3f2e60f2812fa66d87b0N.exe
"C:\Users\Admin\AppData\Local\Temp\e3f3322f1e6d3f2e60f2812fa66d87b0N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2412
- 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:4820
- - 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:3604

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 15237ae363e23fd687d91e390f0416481cdf0472c834d06498936abeb1cb648a
MD5 ebfae4c8d3e52341c1d391800f5b03d8
SHA1 2ef1c058b71f91c38ba90920e29b3625d429ee46
SHA512 488aa5429b90c1a0876aa809a11d9a3cf575c10fed3603417a25eb00ddb20236cffff0e983dbd77827f79297af6c9d76d0b63dae24feb3f845f48308ca46f711
SSDEEP 1536:84d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:8IdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

Submit Download

omsecor.exe

Path C:\Windows\SysWOW64\omsecor.exe
Size 248KB
SHA256 4679622ac29e4a695d6d90269ab75b871940702f1e18c49a046afbb74531204d
MD5 1c84da8b7e2f1dca59489b404321f9fe
SHA1 836fd92a850a5b18eabdc528e12b9d2babe045ed
SHA512 44d1f998222864377dbdbe5faee9153d54548427d04503b3a4b3fceb234e9081ca19a89bdec75dec47673cd6ab1c580dd636916a3833fbd2f5eee71d03924bc4
SSDEEP 1536:Z4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:ZIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2412-0-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/2412-6-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/3604-11-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/3604-14-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/4820-5-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/4820-7-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/4820-12-0x0000000000400000-0x000000000043E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads