neconyd | 18ec000969331467107c5e7453acbb5704795d1a00129a31298ea454436c4c9b

Analysis

max time kernel
115s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 07:30

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General

Target
05e4e0f03962715eb5d4ad0e0c2504b0N.exe
Size 248KB
Sample240825-jbv3tasera
SHA256 18ec000969331467107c5e7453acbb5704795d1a00129a31298ea454436c4c9b
MD5 05e4e0f03962715eb5d4ad0e0c2504b0
SHA1 f4c1c8d9f45f9f1b9606f4f112295b2c3d4f4922
SHA512 0c14209af84d753e6666a47f0d52815455021bf5cffafcbdb4b62b790c1a43e805aeb70f4cd4ee20b53ec6e5ada74b627df5a94090128189585b59280612098a
SSDEEP 1536:W4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:WIdseIO+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
1836	omsecor.exe
972	omsecor.exe
372	omsecor.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3004-0-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000900000002339d-3.dat	upx
behavioral2/memory/1836-4-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/3004-6-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/1836-7-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000c000000023373-10.dat	upx
behavioral2/memory/972-11-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/1836-12-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/972-17-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000900000002339d-16.dat	upx
behavioral2/memory/372-18-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/372-20-0x0000000000400000-0x000000000043E000-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	05e4e0f03962715eb5d4ad0e0c2504b0N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 1836	3004	05e4e0f03962715eb5d4ad0e0c2504b0N.exe	85
PID 3004 wrote to memory of 1836	3004	05e4e0f03962715eb5d4ad0e0c2504b0N.exe	85
PID 3004 wrote to memory of 1836	3004	05e4e0f03962715eb5d4ad0e0c2504b0N.exe	85
PID 1836 wrote to memory of 972	1836	omsecor.exe	101
PID 1836 wrote to memory of 972	1836	omsecor.exe	101
PID 1836 wrote to memory of 972	1836	omsecor.exe	101
PID 972 wrote to memory of 372	972	omsecor.exe	102
PID 972 wrote to memory of 372	972	omsecor.exe	102
PID 972 wrote to memory of 372	972	omsecor.exe	102

C:\Users\Admin\AppData\Local\Temp\05e4e0f03962715eb5d4ad0e0c2504b0N.exe
"C:\Users\Admin\AppData\Local\Temp\05e4e0f03962715eb5d4ad0e0c2504b0N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3004
- 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:1836
- - 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:972
  - - 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:372

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 b5f378a2615821734cfe66d7f9a7678804cb9b1e5e6cc77907783ac0ad6e986c
MD5 afbd3d48be210514b91747539a584da2
SHA1 36427bca5873075b57ae1098a2a0ac2d103e1a26
SHA512 b528d92937ac3a72bc1d88230d13c9045d10edf5b2de95509b3a38c0d3565b95df6c8638d0a5a098a0c41b7f918f731c3fe1a3a911da7b9ab6545258b07ee9c5
SSDEEP 1536:l4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:lIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

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omsecor.exe

Path C:\Users\Admin\AppData\Roaming\omsecor.exe
Size 248KB
SHA256 f41cfd4f49c809eff9f3c01443fc42d672bdca50a116702c1e417bad9c1d36d3
MD5 4452f93c7b09cf66e36371f80cfe4132
SHA1 8683583d054008c49ff9ff57939c01da064f7118
SHA512 ee4996d7332f5a441959bcd45ed19777fbcd42bc605a9a1730453ca996aad69d8f8e9639e4c0be152fbc081f6453c6e932957a755bee375e790558cb04c4aea8
SSDEEP 1536:C4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:CIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

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omsecor.exe

Path C:\Windows\SysWOW64\omsecor.exe
Size 248KB
SHA256 f57c77385f3c82e1808c1b91d271d6a3a60116d6a33068c90baa3e93b1920fd5
MD5 c5e8134a95f4b7ee46cdede44353dd22
SHA1 1146abe8f3694c58b511f39e17dbafdeecd7a395
SHA512 266cba62d5f427fd8560ab505333e689ca45c1f7d5fe4ed4ec12d8b7f8e510a2d1b0eaa023aee96506b8b9708725291e9e5ef933803dd218401fdc95e51ef54b
SSDEEP 1536:t4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:tIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/372-18-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/372-20-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/972-11-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/972-17-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/1836-4-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/1836-7-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/1836-12-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/3004-0-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/3004-6-0x0000000000400000-0x000000000043E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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