neconyd | f38e5cb8690e1d12d5810f0e052f4f00d22c3c60cbedf52baa0efb2f479147f4

Analysis

max time kernel
115s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 11:05

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General

Target
90284c2b0acf6d6755deeb26c5ebb560N.exe
Size 248KB
Sample240823-m63b6asgpr
SHA256 f38e5cb8690e1d12d5810f0e052f4f00d22c3c60cbedf52baa0efb2f479147f4
MD5 90284c2b0acf6d6755deeb26c5ebb560
SHA1 f95ca76dd41f850d1b335f508be4aef62c42869c
SHA512 c6160713a86b85e80a27496f8836adbdad92483b6983c3f38ba8862f9d3f81f21904b28612dd5e27be8d7534cc358f633f0fa555a2b97beab0ea6af105a72dbd
SSDEEP 1536:y4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:yIdseIO+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 3 IoCs

pid	Process
4276	omsecor.exe
1940	omsecor.exe
4144	omsecor.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2264-0-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4276-4-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x00090000000233e3-3.dat	upx
behavioral2/memory/2264-6-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4276-7-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4144-18-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x00090000000233e3-19.dat	upx
behavioral2/memory/1940-17-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4276-13-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000f00000002337c-12.dat	upx
behavioral2/memory/1940-11-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4144-20-0x0000000000400000-0x000000000043E000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\omsecor.exe	omsecor.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	90284c2b0acf6d6755deeb26c5ebb560N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 4276	2264	90284c2b0acf6d6755deeb26c5ebb560N.exe	84
PID 2264 wrote to memory of 4276	2264	90284c2b0acf6d6755deeb26c5ebb560N.exe	84
PID 2264 wrote to memory of 4276	2264	90284c2b0acf6d6755deeb26c5ebb560N.exe	84
PID 4276 wrote to memory of 1940	4276	omsecor.exe	106
PID 4276 wrote to memory of 1940	4276	omsecor.exe	106
PID 4276 wrote to memory of 1940	4276	omsecor.exe	106
PID 1940 wrote to memory of 4144	1940	omsecor.exe	107
PID 1940 wrote to memory of 4144	1940	omsecor.exe	107
PID 1940 wrote to memory of 4144	1940	omsecor.exe	107

C:\Users\Admin\AppData\Local\Temp\90284c2b0acf6d6755deeb26c5ebb560N.exe
"C:\Users\Admin\AppData\Local\Temp\90284c2b0acf6d6755deeb26c5ebb560N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2264
- 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:4276
- - C:\Windows\SysWOW64\omsecor.exe
    C:\Windows\System32\omsecor.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1940
  - - C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4144

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

omsecor.exe

Path C:\Users\Admin\AppData\Roaming\omsecor.exe
Size 248KB
SHA256 5f0941dc096c2d2944bc56c1ba10eb9253b9bfb677047f144a4ffe56f8f83b4c
MD5 c32413a40efeeb3ac0fb6c7867825fea
SHA1 1f6332baaff74201b28250b4bf57d6b174411740
SHA512 6e88f1b5a2e4ca9f23cc65b28320cfe218c5f3f13bb02429dbc053fa482aefe31f5a354eab1fd42890c9745197a70a26877f14fd53181b9e6ee6eece37991d69
SSDEEP 1536:e4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:eIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

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omsecor.exe

Path C:\Users\Admin\AppData\Roaming\omsecor.exe
Size 248KB
SHA256 776cf7fcfd5bc678ba28d821b78d01d2e9b4ca164fddc1e05785f81034ca53aa
MD5 25b13a113f09d42f6ee3d2fc07a0edb1
SHA1 bcce71a015a211555c75003bc875885a2a361a68
SHA512 471ba3b6e488b7d4a8ec0ca31af2caea00b6855c82840e630c853b87a71ee4aeee708636f78d7bf77666a8030f176bc15764a005cc228c8e96f107080f263641
SSDEEP 1536:n4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:nIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

Submit Download

omsecor.exe

Path C:\Windows\SysWOW64\omsecor.exe
Size 248KB
SHA256 cab656a8419bcb90821a3eb187bd54398f5e482417f171e4da94431c1a6d19cc
MD5 aee289c9e5ae5571a76b23f2d3f82c15
SHA1 0aaff9c353754492556db582073f4edd6c73ff5d
SHA512 43fb900fe6013136fd7c6a5cfa361a50ad93222406324707aab2e0018780f03532fb04f1acf3a7f8d03a53f8f97d8465b801ee8d440ee9de62fb41e9d1fb492e
SSDEEP 1536:i4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:iIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1940-17-0x0000000000400000-0x000000000043E000-memory.dmp

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

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memory/2264-0-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/2264-6-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/4144-18-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/4144-20-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/4276-4-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/4276-7-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/4276-13-0x0000000000400000-0x000000000043E000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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