neconyd | d48841402fa017d9c240845552cd6aeecf5b4fef96f5d537040a90ae16278ed8

Analysis

max time kernel
115s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2025 18:24

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General

Target

d48841402fa017d9c240845552cd6aeecf5b4fef96f5d537040a90ae16278ed8.exe
Size

96KB
MD5

51d9102330c347eec39456dfea0e2d58
SHA1

603e97d3c486a8bae37ad8ddfe090d5db138d77e
SHA256

d48841402fa017d9c240845552cd6aeecf5b4fef96f5d537040a90ae16278ed8
SHA512

44690610ebf5a671cad8a667f7f82c0f635fcb9ec2349574c15fe4aa7729e632667eda0b13f781ac1a9cc44d2da7f09b61a04e6ad93df5285aaf0748506ed9a3
SSDEEP

1536:/nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxx:/Gs8cd8eXlYairZYqMddH13x

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
3036	omsecor.exe
4820	omsecor.exe
1044	omsecor.exe
2800	omsecor.exe
3244	omsecor.exe
716	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 1488 set thread context of 4192	1488	d48841402fa017d9c240845552cd6aeecf5b4fef96f5d537040a90ae16278ed8.exe	83
PID 3036 set thread context of 4820	3036	omsecor.exe	88
PID 1044 set thread context of 2800	1044	omsecor.exe	107
PID 3244 set thread context of 716	3244	omsecor.exe	111

Program crash 4 IoCs

pid	pid_target	Process	procid_target
720	1488	WerFault.exe	82
4188	3036	WerFault.exe	86
3996	1044	WerFault.exe	106
4472	3244	WerFault.exe	109

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	d48841402fa017d9c240845552cd6aeecf5b4fef96f5d537040a90ae16278ed8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d48841402fa017d9c240845552cd6aeecf5b4fef96f5d537040a90ae16278ed8.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 29 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 4192	1488	d48841402fa017d9c240845552cd6aeecf5b4fef96f5d537040a90ae16278ed8.exe	83
PID 1488 wrote to memory of 4192	1488	d48841402fa017d9c240845552cd6aeecf5b4fef96f5d537040a90ae16278ed8.exe	83
PID 1488 wrote to memory of 4192	1488	d48841402fa017d9c240845552cd6aeecf5b4fef96f5d537040a90ae16278ed8.exe	83
PID 1488 wrote to memory of 4192	1488	d48841402fa017d9c240845552cd6aeecf5b4fef96f5d537040a90ae16278ed8.exe	83
PID 1488 wrote to memory of 4192	1488	d48841402fa017d9c240845552cd6aeecf5b4fef96f5d537040a90ae16278ed8.exe	83
PID 4192 wrote to memory of 3036	4192	d48841402fa017d9c240845552cd6aeecf5b4fef96f5d537040a90ae16278ed8.exe	86
PID 4192 wrote to memory of 3036	4192	d48841402fa017d9c240845552cd6aeecf5b4fef96f5d537040a90ae16278ed8.exe	86
PID 4192 wrote to memory of 3036	4192	d48841402fa017d9c240845552cd6aeecf5b4fef96f5d537040a90ae16278ed8.exe	86
PID 3036 wrote to memory of 4820	3036	omsecor.exe	88
PID 3036 wrote to memory of 4820	3036	omsecor.exe	88
PID 3036 wrote to memory of 4820	3036	omsecor.exe	88
PID 3036 wrote to memory of 4820	3036	omsecor.exe	88
PID 3036 wrote to memory of 4820	3036	omsecor.exe	88
PID 4820 wrote to memory of 1044	4820	omsecor.exe	106
PID 4820 wrote to memory of 1044	4820	omsecor.exe	106
PID 4820 wrote to memory of 1044	4820	omsecor.exe	106
PID 1044 wrote to memory of 2800	1044	omsecor.exe	107
PID 1044 wrote to memory of 2800	1044	omsecor.exe	107
PID 1044 wrote to memory of 2800	1044	omsecor.exe	107
PID 1044 wrote to memory of 2800	1044	omsecor.exe	107
PID 1044 wrote to memory of 2800	1044	omsecor.exe	107
PID 2800 wrote to memory of 3244	2800	omsecor.exe	109
PID 2800 wrote to memory of 3244	2800	omsecor.exe	109
PID 2800 wrote to memory of 3244	2800	omsecor.exe	109
PID 3244 wrote to memory of 716	3244	omsecor.exe	111
PID 3244 wrote to memory of 716	3244	omsecor.exe	111
PID 3244 wrote to memory of 716	3244	omsecor.exe	111
PID 3244 wrote to memory of 716	3244	omsecor.exe	111
PID 3244 wrote to memory of 716	3244	omsecor.exe	111

C:\Users\Admin\AppData\Local\Temp\d48841402fa017d9c240845552cd6aeecf5b4fef96f5d537040a90ae16278ed8.exe
"C:\Users\Admin\AppData\Local\Temp\d48841402fa017d9c240845552cd6aeecf5b4fef96f5d537040a90ae16278ed8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Users\Admin\AppData\Local\Temp\d48841402fa017d9c240845552cd6aeecf5b4fef96f5d537040a90ae16278ed8.exe
  C:\Users\Admin\AppData\Local\Temp\d48841402fa017d9c240845552cd6aeecf5b4fef96f5d537040a90ae16278ed8.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4192
- - 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:3036
  - - 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:4820
    - - 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:1044
      - 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:2800
        
        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:3244
        
        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:716
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3244 -s 268
        8⤵
        Program crash
        
        PID:4472
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1044 -s 292
        6⤵
        Program crash
        
        PID:3996
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 288
      4⤵
      Program crash
      PID:4188
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1488 -s 288
  2⤵
  - Program crash
  PID:720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1488 -ip 1488
1⤵
PID:3196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3036 -ip 3036
1⤵
PID:608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1044 -ip 1044
1⤵
PID:3840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3244 -ip 3244
1⤵
PID:2860

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
c6cb30019d0aedb07a6374ee4a297be7

SHA1
5939f5c961ee1c83755b212a72ce16b01333a24e

SHA256
c9d9058827771f92a6d0361fd8aa511d74c9d9413c33283c041342493cbd2f9a

SHA512
ac4bdb834919ce0e7b884f2b9c38d0579792c79d852d4a03b58eeb043f6fc9a1beb24bcc113e9e8f5b0757e84844d0573a15a4833af49645c2724293e18ec48b

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

Filesize
96KB

MD5
a8b0e7da2c94140409c0e5d684b86bfd

SHA1
630560aecbc9589cb32b44d72579cd86fa7dd012

SHA256
66cab24bc25530e6b26dceb4d90f466f30ccab779c13b4e56214ba714ee99c18

SHA512
a7f076c764566c7efea9e8af4b82841799a20857eb79aee62db29815214012ea6cdded1c3215860e35a41244a85ac3b30bd49528736c928fd6c662f65dfd338d

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

Filesize
96KB

MD5
e608b547ebe6c01416342893d5105961

SHA1
409bd6674d68a30e288d838e2157571255df7b1f

SHA256
50ae39d52783e8ce12c6b96c6451c5a47ed629f57534c491f0a6e47275987fb5

SHA512
3cd82bbab25c1a9d81e4812abcd10fd6a70344e0a9d5ceb1c48cea5c1d6653ca00aa16abb7ff7184a755dafd58bae69e508c252e81072e24ad7b08d6033429ff

Download Submit
memory/716-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/716-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/716-51-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1044-35-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1488-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1488-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2800-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2800-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2800-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3036-8-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3036-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3244-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4192-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4192-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4192-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4192-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4820-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4820-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4820-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4820-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4820-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4820-34-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4820-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download