neconyd | 3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620

Analysis

max time kernel
115s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2025, 16:01

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General

Target

3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe
Size

96KB
MD5

0a40b0a014c036e6d27dd45bf0edf260
SHA1

52937a8666e9811f57b77872d75a1147fc612dbb
SHA256

3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620
SHA512

88426746aa304f462eacf6f48b2a6baea193ae82e11059bf555d08ccac96f28a617fdbc97815ab3fa72c414f6f806f3c4dd143c1eab355dc0f4014ae17fa522f
SSDEEP

1536:DnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxb:DGs8cd8eXlYairZYqMddH13b

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
4188	omsecor.exe
1872	omsecor.exe
4548	omsecor.exe
4728	omsecor.exe
464	omsecor.exe
2204	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 556 set thread context of 4744	556	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	84
PID 4188 set thread context of 1872	4188	omsecor.exe	89
PID 4548 set thread context of 4728	4548	omsecor.exe	100
PID 464 set thread context of 2204	464	omsecor.exe	104

Program crash 4 IoCs

pid	pid_target	Process	procid_target
436	556	WerFault.exe	83
4672	4188	WerFault.exe	86
2936	4548	WerFault.exe	99
4344	464	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	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.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	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 556 wrote to memory of 4744	556	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	84
PID 556 wrote to memory of 4744	556	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	84
PID 556 wrote to memory of 4744	556	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	84
PID 556 wrote to memory of 4744	556	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	84
PID 556 wrote to memory of 4744	556	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	84
PID 4744 wrote to memory of 4188	4744	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	86
PID 4744 wrote to memory of 4188	4744	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	86
PID 4744 wrote to memory of 4188	4744	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	86
PID 4188 wrote to memory of 1872	4188	omsecor.exe	89
PID 4188 wrote to memory of 1872	4188	omsecor.exe	89
PID 4188 wrote to memory of 1872	4188	omsecor.exe	89
PID 4188 wrote to memory of 1872	4188	omsecor.exe	89
PID 4188 wrote to memory of 1872	4188	omsecor.exe	89
PID 1872 wrote to memory of 4548	1872	omsecor.exe	99
PID 1872 wrote to memory of 4548	1872	omsecor.exe	99
PID 1872 wrote to memory of 4548	1872	omsecor.exe	99
PID 4548 wrote to memory of 4728	4548	omsecor.exe	100
PID 4548 wrote to memory of 4728	4548	omsecor.exe	100
PID 4548 wrote to memory of 4728	4548	omsecor.exe	100
PID 4548 wrote to memory of 4728	4548	omsecor.exe	100
PID 4548 wrote to memory of 4728	4548	omsecor.exe	100
PID 4728 wrote to memory of 464	4728	omsecor.exe	102
PID 4728 wrote to memory of 464	4728	omsecor.exe	102
PID 4728 wrote to memory of 464	4728	omsecor.exe	102
PID 464 wrote to memory of 2204	464	omsecor.exe	104
PID 464 wrote to memory of 2204	464	omsecor.exe	104
PID 464 wrote to memory of 2204	464	omsecor.exe	104
PID 464 wrote to memory of 2204	464	omsecor.exe	104
PID 464 wrote to memory of 2204	464	omsecor.exe	104

C:\Users\Admin\AppData\Local\Temp\3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe
"C:\Users\Admin\AppData\Local\Temp\3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:556
- C:\Users\Admin\AppData\Local\Temp\3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe
  C:\Users\Admin\AppData\Local\Temp\3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4744
- - 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:4188
  - - 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:1872
    - - 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:4548
      - 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:4728
        
        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:464
        
        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:2204
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 464 -s 256
        8⤵
        Program crash
        
        PID:4344
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 292
        6⤵
        Program crash
        
        PID:2936
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4188 -s 300
      4⤵
      Program crash
      PID:4672
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 556 -s 300
  2⤵
  - Program crash
  PID:436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 556 -ip 556
1⤵
PID:3164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4188 -ip 4188
1⤵
PID:3656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4548 -ip 4548
1⤵
PID:3264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 464 -ip 464
1⤵
PID:2244

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
efe1cbd38e296c46e0f2687decb2e8f5

SHA1
476889cbf1013ba0dbf8e3452679fce5bbca8d91

SHA256
1379968a9df68820133abfb4e7e5693d5e5cdea1c0deebf3ed8ea29529e89167

SHA512
3fbb639b633dd452773399ab2c35a532567fe10a02641f33f8506071e94123d1af51154cfffad7febc9fe3d4c2a239a9bcace53e10967ee38da0eb41807e70b9

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

Filesize
96KB

MD5
910632cab3e18188b75277e7e4d7579b

SHA1
292d3104cfa756375dba6e28ca599c4b8d2b3744

SHA256
84b2e9c61b1e8abf53823d4128fbee4717aaa1ea2993a14342df447ea61a3d8d

SHA512
19c96a7fa7400837f66cb8451309b23ca396d9450824040d1364fe57104aba01d7b635f14a59b487f6b259d90276145760577b54eea00e53e0107324849daa8e

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

Filesize
96KB

MD5
c17e468e213fce46cac74d2f4a50d74e

SHA1
d8784aff814233754234a87b421c850f3af6e79f

SHA256
58ec2d8874b911ea64c4eb4afb69bf563d0fcc1f2530969608a12340d51876ac

SHA512
bb99f6e61f08ca857cc66bedc3da2dfd242367d104bfd4591f2af202729ac34765a0c8d56cdabd98dbf62a8e9ef731ba969c46a86806b6175d0faf37c7a4285c

Download Submit
memory/464-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/464-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/556-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/556-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1872-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1872-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1872-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1872-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1872-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1872-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1872-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2204-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2204-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2204-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4188-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4188-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4548-31-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4548-51-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4728-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4728-42-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4728-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4744-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4744-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4744-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4744-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download