neconyd | c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df

Analysis

max time kernel
146s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 13:18

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe
Size

96KB
MD5

640036c324b6763e3397bdc9d5065426
SHA1

cb5ef36508ef3ecd646a80375141bc7379677a7e
SHA256

c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df
SHA512

e75a5e9d79d5df89f113a4d2ac5fba0d16dc201944e4dd0a6d440f4b569512dad11eaf57382569691aa307e8d85ce4acaf67c379a8524f20aa0ff319ee06cc35
SSDEEP

1536:MnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxp:MGs8cd8eXlYairZYqMddH13p

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
3228	omsecor.exe
4172	omsecor.exe
1884	omsecor.exe
1116	omsecor.exe
64	omsecor.exe
1224	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 4124 set thread context of 3840	4124	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe	83
PID 3228 set thread context of 4172	3228	omsecor.exe	89
PID 1884 set thread context of 1116	1884	omsecor.exe	98
PID 64 set thread context of 1224	64	omsecor.exe	102

Program crash 4 IoCs

pid	pid_target	Process	procid_target
2916	4124	WerFault.exe	82
792	3228	WerFault.exe	85
1956	1884	WerFault.exe	97
2468	64	WerFault.exe	100

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	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 3840	4124	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe	83
PID 4124 wrote to memory of 3840	4124	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe	83
PID 4124 wrote to memory of 3840	4124	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe	83
PID 4124 wrote to memory of 3840	4124	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe	83
PID 4124 wrote to memory of 3840	4124	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe	83
PID 3840 wrote to memory of 3228	3840	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe	85
PID 3840 wrote to memory of 3228	3840	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe	85
PID 3840 wrote to memory of 3228	3840	c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe	85
PID 3228 wrote to memory of 4172	3228	omsecor.exe	89
PID 3228 wrote to memory of 4172	3228	omsecor.exe	89
PID 3228 wrote to memory of 4172	3228	omsecor.exe	89
PID 3228 wrote to memory of 4172	3228	omsecor.exe	89
PID 3228 wrote to memory of 4172	3228	omsecor.exe	89
PID 4172 wrote to memory of 1884	4172	omsecor.exe	97
PID 4172 wrote to memory of 1884	4172	omsecor.exe	97
PID 4172 wrote to memory of 1884	4172	omsecor.exe	97
PID 1884 wrote to memory of 1116	1884	omsecor.exe	98
PID 1884 wrote to memory of 1116	1884	omsecor.exe	98
PID 1884 wrote to memory of 1116	1884	omsecor.exe	98
PID 1884 wrote to memory of 1116	1884	omsecor.exe	98
PID 1884 wrote to memory of 1116	1884	omsecor.exe	98
PID 1116 wrote to memory of 64	1116	omsecor.exe	100
PID 1116 wrote to memory of 64	1116	omsecor.exe	100
PID 1116 wrote to memory of 64	1116	omsecor.exe	100
PID 64 wrote to memory of 1224	64	omsecor.exe	102
PID 64 wrote to memory of 1224	64	omsecor.exe	102
PID 64 wrote to memory of 1224	64	omsecor.exe	102
PID 64 wrote to memory of 1224	64	omsecor.exe	102
PID 64 wrote to memory of 1224	64	omsecor.exe	102

C:\Users\Admin\AppData\Local\Temp\c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe
"C:\Users\Admin\AppData\Local\Temp\c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4124
- C:\Users\Admin\AppData\Local\Temp\c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe
  C:\Users\Admin\AppData\Local\Temp\c900f2a4119484877f293c23124cb8766f6015a2f0afa2616af5230ce1bc91df.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3840
- - 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:3228
  - - 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:4172
    - - 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:1884
      - 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:1116
        
        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:64
        
        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:1224
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 64 -s 256
        8⤵
        Program crash
        
        PID:2468
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 292
        6⤵
        Program crash
        
        PID:1956
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3228 -s 292
      4⤵
      Program crash
      PID:792
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 288
  2⤵
  - Program crash
  PID:2916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4124 -ip 4124
1⤵
PID:4132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3228 -ip 3228
1⤵
PID:2692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1884 -ip 1884
1⤵
PID:4492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 64 -ip 64
1⤵
PID:2032

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

Loading Replay Monitor...

Downloads

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

Filesize
96KB

MD5
391a69dbbf3cffa0aefbd2d9fdbab007

SHA1
c1cdd70fb7ef7a7c320419d42e8b7a328acd2009

SHA256
be38c80e60052d35ab1b6922182df66ee028787eec4309b95da25b6178daa6e4

SHA512
b5aba9bae055fb8b6d55c7e1a52b905d711fcb504cabcabd9612962f464d9b2577c1252bb01201a3f1a28708f68c0ad9b6c52f64f6371f446ec0c1e8afe88906

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

Filesize
96KB

MD5
396dcf79429d24a795687d8bc6bbf3d3

SHA1
822b4e76c6b1d67998a2846d8d9f0f8a3e898905

SHA256
03333317fec29ef3fa3de254256eaad62365ce7b7fa044eb367a9448eabb8fd1

SHA512
96133042e16ff9b2716e878330aa587e64429fec78e0150fa7edd9ed3c1fea02f3bc6afe761b13f412e579dde65d8971b846323e8bcaae8961dafaf11aef6578

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

Filesize
96KB

MD5
56eb7bb77c7453dfa72a93a14e1e50f6

SHA1
d8d2b011309bb15fcffce6a1dc5f606396e2b4f3

SHA256
5d0deffebc91f4d3b9d7612ed410f83b5b3fdb4b7120527c81f5ecc8614c7121

SHA512
ca7ac55d81f6f7c4a687df8cb91a0d605b80938960f06de2ba4b121dbdd82843f45aaeae1b1a76e6a5071d053e148af3cea5de4465495759f7b9c2d13f010339

Download Submit
memory/64-42-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1116-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1116-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1116-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1224-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1224-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1224-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1224-52-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1884-31-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1884-50-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3228-8-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3228-16-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3840-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3840-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3840-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3840-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4124-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4124-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4172-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4172-28-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4172-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4172-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4172-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4172-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4172-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download