neconyd | 32ec54cef7d6ced2cd5c4b62eea890742f53724913f402df4020e4627527604d

Analysis

max time kernel
114s
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
16/08/2024, 12:38

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General

Target
a43f45f3744a0a746e92ada850e2bdf0N.exe
Size 248KB
Sample240816-pt5mvsvdmb
SHA256 32ec54cef7d6ced2cd5c4b62eea890742f53724913f402df4020e4627527604d
MD5 a43f45f3744a0a746e92ada850e2bdf0
SHA1 d2e174875a1f1d56f04d281fbc3ccecc70b8e14c
SHA512 ccca44d30b437abf1ecd90007dca290eaefab307b26a68247942c49fdee6d2de9ec74cb557a1672e72327c514df812d7fa9bff1d2846328a2dee4b67bb83b03d
SSDEEP 1536:M4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:MIdseIO+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
2452	omsecor.exe
4932	omsecor.exe
3908	omsecor.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1552-0-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x00090000000233ba-3.dat	upx
behavioral2/memory/2452-5-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/1552-6-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/2452-7-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4932-11-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000500000001693b-10.dat	upx
behavioral2/memory/2452-12-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x00090000000233ba-16.dat	upx
behavioral2/memory/3908-17-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4932-18-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/3908-20-0x0000000000400000-0x000000000043E000-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	a43f45f3744a0a746e92ada850e2bdf0N.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	omsecor.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 2452	1552	a43f45f3744a0a746e92ada850e2bdf0N.exe	83
PID 1552 wrote to memory of 2452	1552	a43f45f3744a0a746e92ada850e2bdf0N.exe	83
PID 1552 wrote to memory of 2452	1552	a43f45f3744a0a746e92ada850e2bdf0N.exe	83
PID 2452 wrote to memory of 4932	2452	omsecor.exe	98
PID 2452 wrote to memory of 4932	2452	omsecor.exe	98
PID 2452 wrote to memory of 4932	2452	omsecor.exe	98
PID 4932 wrote to memory of 3908	4932	omsecor.exe	99
PID 4932 wrote to memory of 3908	4932	omsecor.exe	99
PID 4932 wrote to memory of 3908	4932	omsecor.exe	99

C:\Users\Admin\AppData\Local\Temp\a43f45f3744a0a746e92ada850e2bdf0N.exe
"C:\Users\Admin\AppData\Local\Temp\a43f45f3744a0a746e92ada850e2bdf0N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1552
- 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:2452
- - 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:4932
  - - 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:3908

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 857b598db1979a1da31b0217713ff4544cb4d0aed4fb3aa962974d47fa370bac
MD5 3c4ae9e20cb3049d350c18af85ccade9
SHA1 9ae9ff6584ceb8ac9725faffb4dbe112fae6986a
SHA512 7bf9fe90f9783946ac7a53bf9d176c37ac82867a6e0f4a49034002201cdf70af020b2f8c345565749ad0075589ec1e5e3cc5a41f0bfde26b09e3190f23e9711e
SSDEEP 1536:O4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:OIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

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omsecor.exe

Path C:\Users\Admin\AppData\Roaming\omsecor.exe
Size 248KB
SHA256 e6c53763e22f796d6977d1cefa6fc9c608fe4de2ab2596d1c4b1a2cd4cb04ad3
MD5 578ac5f7a098ff228b0276d35fc47705
SHA1 60d90c22308f5e2615497b95162d20e260abc195
SHA512 4128ce085e844fc44887a5946601250075c89d96a8c4df460254afc66900fa2f2591a93c585cdb3144cb79c0c34a8cf1c9e42972af8defa508d41ed5e2d49c84
SSDEEP 1536:Q4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:QIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

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omsecor.exe

Path C:\Windows\SysWOW64\omsecor.exe
Size 248KB
SHA256 69e66f70f2d4bc8ef440a4e7536e8d5c0f4f8dd2ce67aefb7fd12fd1598f63dd
MD5 82267cb77c0f7cabcf9ae1cb91f3ac41
SHA1 d0362de4a0677d390fece5499384dc93110ee35c
SHA512 482246623ce5576c46e918bb88faa4eec36895c1c5ef42990b8f2b2f6909f9fceb876fb1da3b46eea9f5c897d96cafd79a2fca35dbd0802b6eea3b74052cce17
SSDEEP 1536:W4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:WIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

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memory/1552-0-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/1552-6-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/2452-5-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/2452-7-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/2452-12-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/3908-17-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/3908-20-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/4932-11-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/4932-18-0x0000000000400000-0x000000000043E000-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