neconyd | 540999a04918db4bdb80e4cd3b71789f93141623ab0a2565e13bde783a1f6106

Analysis

max time kernel
114s
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
16/08/2024, 01:18

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General

Target
6857f02919b57ffc840856b5c5c23b90N.exe
Size 96KB
Sample240816-bpc56a1fqj
SHA256 540999a04918db4bdb80e4cd3b71789f93141623ab0a2565e13bde783a1f6106
MD5 6857f02919b57ffc840856b5c5c23b90
SHA1 d39e8b1bbc22d7d2fad5772180ff4a550b7d40fb
SHA512 6c5454d08355196eaafa8662c3573b9cc84bd5226160f6c1037872689544e9f6217d226013401772c63de40ac7efa0bfb9c92cafe000300c26cb0697878bc53a
SSDEEP 1536:lnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:lGs8cd8eXlYairZYqMddH13L
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

neconyd discovery trojan

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 6 IoCs

pid	Process
4964	omsecor.exe
4520	omsecor.exe
448	omsecor.exe
5068	omsecor.exe
3788	omsecor.exe
740	omsecor.exe

Drops file in System32 directory 1 IoCs

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

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3400 set thread context of 3756	3400	6857f02919b57ffc840856b5c5c23b90N.exe	84
PID 4964 set thread context of 4520	4964	omsecor.exe	89
PID 448 set thread context of 5068	448	omsecor.exe	115
PID 3788 set thread context of 740	3788	omsecor.exe	119

Program crash 4 IoCs

pid	pid_target	Process	procid_target
936	3400	WerFault.exe	83
4660	4964	WerFault.exe	87
4632	448	WerFault.exe	114
2364	3788	WerFault.exe	117

System Location Discovery: System Language Discovery 1 TTPs 8 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	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	6857f02919b57ffc840856b5c5c23b90N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6857f02919b57ffc840856b5c5c23b90N.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3400 wrote to memory of 3756	3400	6857f02919b57ffc840856b5c5c23b90N.exe	84
PID 3400 wrote to memory of 3756	3400	6857f02919b57ffc840856b5c5c23b90N.exe	84
PID 3400 wrote to memory of 3756	3400	6857f02919b57ffc840856b5c5c23b90N.exe	84
PID 3400 wrote to memory of 3756	3400	6857f02919b57ffc840856b5c5c23b90N.exe	84
PID 3400 wrote to memory of 3756	3400	6857f02919b57ffc840856b5c5c23b90N.exe	84
PID 3756 wrote to memory of 4964	3756	6857f02919b57ffc840856b5c5c23b90N.exe	87
PID 3756 wrote to memory of 4964	3756	6857f02919b57ffc840856b5c5c23b90N.exe	87
PID 3756 wrote to memory of 4964	3756	6857f02919b57ffc840856b5c5c23b90N.exe	87
PID 4964 wrote to memory of 4520	4964	omsecor.exe	89
PID 4964 wrote to memory of 4520	4964	omsecor.exe	89
PID 4964 wrote to memory of 4520	4964	omsecor.exe	89
PID 4964 wrote to memory of 4520	4964	omsecor.exe	89
PID 4964 wrote to memory of 4520	4964	omsecor.exe	89
PID 4520 wrote to memory of 448	4520	omsecor.exe	114
PID 4520 wrote to memory of 448	4520	omsecor.exe	114
PID 4520 wrote to memory of 448	4520	omsecor.exe	114
PID 448 wrote to memory of 5068	448	omsecor.exe	115
PID 448 wrote to memory of 5068	448	omsecor.exe	115
PID 448 wrote to memory of 5068	448	omsecor.exe	115
PID 448 wrote to memory of 5068	448	omsecor.exe	115
PID 448 wrote to memory of 5068	448	omsecor.exe	115
PID 5068 wrote to memory of 3788	5068	omsecor.exe	117
PID 5068 wrote to memory of 3788	5068	omsecor.exe	117
PID 5068 wrote to memory of 3788	5068	omsecor.exe	117
PID 3788 wrote to memory of 740	3788	omsecor.exe	119
PID 3788 wrote to memory of 740	3788	omsecor.exe	119
PID 3788 wrote to memory of 740	3788	omsecor.exe	119
PID 3788 wrote to memory of 740	3788	omsecor.exe	119
PID 3788 wrote to memory of 740	3788	omsecor.exe	119

C:\Users\Admin\AppData\Local\Temp\6857f02919b57ffc840856b5c5c23b90N.exe
"C:\Users\Admin\AppData\Local\Temp\6857f02919b57ffc840856b5c5c23b90N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3400
- C:\Users\Admin\AppData\Local\Temp\6857f02919b57ffc840856b5c5c23b90N.exe
  C:\Users\Admin\AppData\Local\Temp\6857f02919b57ffc840856b5c5c23b90N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3756
- - C:\Users\Admin\AppData\Roaming\omsecor.exe
    C:\Users\Admin\AppData\Roaming\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4964
  - - C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4520
    - - C:\Windows\SysWOW64\omsecor.exe
        
        C:\Windows\System32\omsecor.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:448
      - C:\Windows\SysWOW64\omsecor.exe
        
        C:\Windows\SysWOW64\omsecor.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:5068
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        7⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3788
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        
        C:\Users\Admin\AppData\Roaming\omsecor.exe
        8⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:740
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3788 -s 256
        8⤵
        Program crash
        
        PID:2364
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 448 -s 292
        6⤵
        Program crash
        
        PID:4632
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 300
      4⤵
      Program crash
      PID:4660
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 288
  2⤵
  - Program crash
  PID:936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3400 -ip 3400
1⤵
PID:3788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4964 -ip 4964
1⤵
PID:3632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 448 -ip 448
1⤵
PID:4472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3788 -ip 3788
1⤵
PID:3988

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 96KB
SHA256 5041590ed2b66992e5f3e288a954c01f80d80454845fca68aaf6408e4f219895
MD5 2e816fbc55a73cd8037f40514c4df2f4
SHA1 a35f4e59c40c546a00f744f8ea79736ece154a76
SHA512 549337f3676c47b000a32dad3c0a3d3b1a75d08e3fc2b3cb1ac9e642b2c188ec7523c5206f9e9a412758b5b41fd27e37b41ea83a4648af27ddcd911e96e9031a
SSDEEP 1536:nnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:nGs8cd8eXlYairZYqMddH13L
MD5 SHA1 SHA512 SSDEEP

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omsecor.exe

Path C:\Users\Admin\AppData\Roaming\omsecor.exe
Size 96KB
SHA256 315c633b18460b9b293c76a4178a2eb5de716488243f9012ba5e19ac51adbff4
MD5 2b74e8929ec550d464877ca3b7748eca
SHA1 f2553157638992838aad9c6be6af9c645b96ad1d
SHA512 486fcc3a1f57d39e4be2b8523154876b02d6824b5f267c12d003245f4b991c87f44e44106492038d419f53a06a9ca20ab69903590583cdb38312dbdb0ae836e7
SSDEEP 1536:RnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:RGs8cd8eXlYairZYqMddH13L
MD5 SHA1 SHA512 SSDEEP

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omsecor.exe

Path C:\Windows\SysWOW64\omsecor.exe
Size 96KB
SHA256 8055d12cc66192026e0e0b30740a2888ff30ac24c5c126cadab4283060facc94
MD5 301cce554c2ddfaa0608afb145fdef7c
SHA1 b46dc8d0190c4ddae411653d3403d6e4c1917280
SHA512 add758a558c1b72a0af2abfafd9faab5a24ed6e2236dd8d37813817c39e1b1252b93294a22e92f89a969d547e692d02fe27551a46224f99a4269a37e662862bd
SSDEEP 1536:YnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:YGs8cd8eXlYairZYqMddH13L
MD5 SHA1 SHA512 SSDEEP

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memory/448-33-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/448-52-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/740-50-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/740-54-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/740-49-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/3400-18-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/3400-0-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/3756-5-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/3756-3-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/3756-2-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/3756-1-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/3788-53-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/3788-45-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/4520-14-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/4520-31-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/4520-26-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/4520-25-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/4520-22-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/4520-19-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/4520-15-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/4964-17-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/4964-8-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/5068-38-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/5068-37-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/5068-43-0x0000000000400000-0x0000000000429000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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