neconyd | 2f75cf835f93584da736b5ea4172f7c32118bbc3eca94f32822991ca1d077dd3

Analysis

max time kernel
115s
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
22/08/2024, 16:02

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General

Target
f6e486460014af795fb7c1fa9d3e4810N.exe
Size 248KB
Sample240822-tg5vbaybml
SHA256 2f75cf835f93584da736b5ea4172f7c32118bbc3eca94f32822991ca1d077dd3
MD5 f6e486460014af795fb7c1fa9d3e4810
SHA1 17f051b6f9f164ec4591e254e730ba7b9bf21982
SHA512 07c6354e9ea14768ce96283caa9a0d7f65421dc51e1b59995a4507ff52208657c31a2d9a108f2b17cb8c5ba69d9c55ca34053e749c305e1f97c0c4e7f15f2e30
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 2 IoCs

pid	Process
1040	omsecor.exe
3300	omsecor.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2780-0-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000b0000000233b2-3.dat	upx
behavioral2/memory/1040-5-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/2780-6-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/1040-7-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x0004000000022a89-10.dat	upx
behavioral2/memory/3300-12-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/1040-13-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/3300-14-0x0000000000400000-0x000000000043E000-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	f6e486460014af795fb7c1fa9d3e4810N.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 2780 wrote to memory of 1040	2780	f6e486460014af795fb7c1fa9d3e4810N.exe	88
PID 2780 wrote to memory of 1040	2780	f6e486460014af795fb7c1fa9d3e4810N.exe	88
PID 2780 wrote to memory of 1040	2780	f6e486460014af795fb7c1fa9d3e4810N.exe	88
PID 1040 wrote to memory of 3300	1040	omsecor.exe	109
PID 1040 wrote to memory of 3300	1040	omsecor.exe	109
PID 1040 wrote to memory of 3300	1040	omsecor.exe	109

C:\Users\Admin\AppData\Local\Temp\f6e486460014af795fb7c1fa9d3e4810N.exe
"C:\Users\Admin\AppData\Local\Temp\f6e486460014af795fb7c1fa9d3e4810N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780
- 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:1040
- - 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:3300

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 0dc927c5d0f5dad8e111c0b561c32fcdc53eb4b7cc7113dc22ce9479843039a3
MD5 f5d78509d65a830b899cf5b0d33962f5
SHA1 b3536e27c8da0f6f3d5eb995aeaf4a79ccd778aa
SHA512 b28aabc540ea58b9b786944610ad93b2acecfe353d093c51b3dde4161ed17ddab9fd9073ff740ca44ce1b272ba949e75766806b5a959e221274445a14822af5f
SSDEEP 1536:84d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:8IdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

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omsecor.exe

Path C:\Windows\SysWOW64\omsecor.exe
Size 248KB
SHA256 24ae8a2b5c9428b1c4ac19721ac897a491fc62c9980844783d358a8af6de5e2e
MD5 fbb760aec102e5d292e9c7e79a220f72
SHA1 6e589b0631e088ae11596ee1843cc4a5d042f4e5
SHA512 b505fac2497b428990f355cfdb1cc42cfbfd497c48aea4edaa4edce65413a8c93e2d42e40880ccbb1f5d0b3db9d2f19a1f0251425880ba657ef84333197b0511
SSDEEP 1536:s4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:sIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

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memory/1040-5-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/1040-7-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/1040-13-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/2780-0-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/2780-6-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/3300-12-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/3300-14-0x0000000000400000-0x000000000043E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads