neconyd | b5f26e581a6820ac1a64a1491ff41cc5380ff5092a8ccef3ffe4a78f3512e944

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2024, 02:01

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General

Target

b5f26e581a6820ac1a64a1491ff41cc5380ff5092a8ccef3ffe4a78f3512e944.exe
Size

96KB
MD5

f13492ee049c526f1bec0f01336068ad
SHA1

d07e251fb43f1a109b4b0b7c7c4fb293c6fdb674
SHA256

b5f26e581a6820ac1a64a1491ff41cc5380ff5092a8ccef3ffe4a78f3512e944
SHA512

4af168910ceba3f00fa73bf83660f4b4bfbe0e8e78c3c6d34b4309469aba0f086e51e885544cd7879b68cfe9e723a83da879f9c31d0afb81b34770a1ca559b63
SSDEEP

1536:BnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxx7:BGs8cd8eXlYairZYqMddH137

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
Neconyd family
neconyd

Executes dropped EXE 6 IoCs

pid	Process
1072	omsecor.exe
3344	omsecor.exe
2744	omsecor.exe
2160	omsecor.exe
1224	omsecor.exe
3604	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 1512 set thread context of 4828	1512	b5f26e581a6820ac1a64a1491ff41cc5380ff5092a8ccef3ffe4a78f3512e944.exe	82
PID 1072 set thread context of 3344	1072	omsecor.exe	86
PID 2744 set thread context of 2160	2744	omsecor.exe	100
PID 1224 set thread context of 3604	1224	omsecor.exe	103

Program crash 4 IoCs

pid	pid_target	Process	procid_target
2916	1512	WerFault.exe	81
372	1072	WerFault.exe	84
4480	2744	WerFault.exe	99
1640	1224	WerFault.exe	102

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	b5f26e581a6820ac1a64a1491ff41cc5380ff5092a8ccef3ffe4a78f3512e944.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b5f26e581a6820ac1a64a1491ff41cc5380ff5092a8ccef3ffe4a78f3512e944.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 4828	1512	b5f26e581a6820ac1a64a1491ff41cc5380ff5092a8ccef3ffe4a78f3512e944.exe	82
PID 1512 wrote to memory of 4828	1512	b5f26e581a6820ac1a64a1491ff41cc5380ff5092a8ccef3ffe4a78f3512e944.exe	82
PID 1512 wrote to memory of 4828	1512	b5f26e581a6820ac1a64a1491ff41cc5380ff5092a8ccef3ffe4a78f3512e944.exe	82
PID 1512 wrote to memory of 4828	1512	b5f26e581a6820ac1a64a1491ff41cc5380ff5092a8ccef3ffe4a78f3512e944.exe	82
PID 1512 wrote to memory of 4828	1512	b5f26e581a6820ac1a64a1491ff41cc5380ff5092a8ccef3ffe4a78f3512e944.exe	82
PID 4828 wrote to memory of 1072	4828	b5f26e581a6820ac1a64a1491ff41cc5380ff5092a8ccef3ffe4a78f3512e944.exe	84
PID 4828 wrote to memory of 1072	4828	b5f26e581a6820ac1a64a1491ff41cc5380ff5092a8ccef3ffe4a78f3512e944.exe	84
PID 4828 wrote to memory of 1072	4828	b5f26e581a6820ac1a64a1491ff41cc5380ff5092a8ccef3ffe4a78f3512e944.exe	84
PID 1072 wrote to memory of 3344	1072	omsecor.exe	86
PID 1072 wrote to memory of 3344	1072	omsecor.exe	86
PID 1072 wrote to memory of 3344	1072	omsecor.exe	86
PID 1072 wrote to memory of 3344	1072	omsecor.exe	86
PID 1072 wrote to memory of 3344	1072	omsecor.exe	86
PID 3344 wrote to memory of 2744	3344	omsecor.exe	99
PID 3344 wrote to memory of 2744	3344	omsecor.exe	99
PID 3344 wrote to memory of 2744	3344	omsecor.exe	99
PID 2744 wrote to memory of 2160	2744	omsecor.exe	100
PID 2744 wrote to memory of 2160	2744	omsecor.exe	100
PID 2744 wrote to memory of 2160	2744	omsecor.exe	100
PID 2744 wrote to memory of 2160	2744	omsecor.exe	100
PID 2744 wrote to memory of 2160	2744	omsecor.exe	100
PID 2160 wrote to memory of 1224	2160	omsecor.exe	102
PID 2160 wrote to memory of 1224	2160	omsecor.exe	102
PID 2160 wrote to memory of 1224	2160	omsecor.exe	102
PID 1224 wrote to memory of 3604	1224	omsecor.exe	103
PID 1224 wrote to memory of 3604	1224	omsecor.exe	103
PID 1224 wrote to memory of 3604	1224	omsecor.exe	103
PID 1224 wrote to memory of 3604	1224	omsecor.exe	103
PID 1224 wrote to memory of 3604	1224	omsecor.exe	103

C:\Users\Admin\AppData\Local\Temp\b5f26e581a6820ac1a64a1491ff41cc5380ff5092a8ccef3ffe4a78f3512e944.exe
"C:\Users\Admin\AppData\Local\Temp\b5f26e581a6820ac1a64a1491ff41cc5380ff5092a8ccef3ffe4a78f3512e944.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1512
- C:\Users\Admin\AppData\Local\Temp\b5f26e581a6820ac1a64a1491ff41cc5380ff5092a8ccef3ffe4a78f3512e944.exe
  C:\Users\Admin\AppData\Local\Temp\b5f26e581a6820ac1a64a1491ff41cc5380ff5092a8ccef3ffe4a78f3512e944.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4828
- - 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:1072
  - - 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:3344
    - - 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:2744
      - 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:2160
        
        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:1224
        
        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:3604
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1224 -s 256
        8⤵
        Program crash
        
        PID:1640
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2744 -s 292
        6⤵
        Program crash
        
        PID:4480
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 300
      4⤵
      Program crash
      PID:372
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1512 -s 288
  2⤵
  - Program crash
  PID:2916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1512 -ip 1512
1⤵
PID:4348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1072 -ip 1072
1⤵
PID:3552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2744 -ip 2744
1⤵
PID:3744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1224 -ip 1224
1⤵
PID:3168

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\omsecor.exe

Filesize
96KB

MD5
43a122d03bd1c4f1a1b0a4c7834796d6

SHA1
52a8d401d43f5f8acfa7c12666dbe6d28dbb46f5

SHA256
22a347753d08158c5016e90b48f4e1afc85ff9e033f74fa0cc750b544600bd38

SHA512
dcd2e886ce98cad313f3bb6e7cb8e146a07b7df4bbc9c08d36723fa62590dbaa5957808d07f4195257eb3de0d245dd6691bdc8a0d6a5f652a985e3fdba457ef7

Download Submit
C:\Users\Admin\AppData\Roaming\omsecor.exe

Filesize
96KB

MD5
1912b262feb9e637c298f0a93305c918

SHA1
39494753a25184601df5816ee34011b9ef09d4b0

SHA256
c156c4a95f74c8d20b461cc15134d8bca64e423e1bf3912069add0c81638b795

SHA512
38f2851337c9204b04a2eba591a4b2b39cea122978288552b72c60eb21291315d13ee9fb3ebcebec337c96a4904bc25326568386e07e38ebb4bb5b7e5ef75a7c

Download Submit
C:\Windows\SysWOW64\omsecor.exe

Filesize
96KB

MD5
2128b07c4981a75e2295bdd31e80f449

SHA1
5f18fe763f813b4a4f2b243b7e24d860721d0945

SHA256
437c548663af57129df74fa5aacc7dd8fe9193eb206bbb591a7539020e383690

SHA512
40b7b7b2ca24891866b11244a137be4a2a2b08034524037b54cc2326c1b7e56ac026c8531549afe629d0e6fef5b9a45573f927209d9d3508f4aaa8481825305e

Download Submit
memory/1072-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1072-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1224-46-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1512-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1512-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2160-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2160-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2160-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2744-35-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3344-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3344-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3344-34-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3344-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3344-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3344-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3344-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3604-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3604-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3604-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3604-51-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4828-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4828-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4828-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4828-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download