neconyd | 4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8

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
08/01/2025, 14:59

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General

Target

4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8N.exe
Size

128KB
MD5

76ad31e7dce644b164e65c0c7df81ca0
SHA1

c7b06b97713a22f6206cd3361f54559c6b0470a7
SHA256

4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8
SHA512

e8048b5b820ce897d8fbab00fdd86d51c661aa23e86928912ce69d730fb5a83b2476dd6a3c34e9f252ec3bab0d3a4b3471bc8409a5076e82694fcf26e5c82cc7
SSDEEP

1536:8DfDbhERTatPLTLLbC+8BMNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabau:iiRTe3n8BMAW6J6f1tqF6dngNmaZrN

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
1372	omsecor.exe
3140	omsecor.exe
4656	omsecor.exe
2256	omsecor.exe
2584	omsecor.exe
4400	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 3556 set thread context of 2672	3556	4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8N.exe	83
PID 1372 set thread context of 3140	1372	omsecor.exe	88
PID 4656 set thread context of 2256	4656	omsecor.exe	109
PID 2584 set thread context of 4400	2584	omsecor.exe	113

Program crash 4 IoCs

pid	pid_target	Process	procid_target
2728	3556	WerFault.exe	82
2784	1372	WerFault.exe	85
316	4656	WerFault.exe	108
2744	2584	WerFault.exe	111

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	4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8N.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

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3556 wrote to memory of 2672	3556	4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8N.exe	83
PID 3556 wrote to memory of 2672	3556	4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8N.exe	83
PID 3556 wrote to memory of 2672	3556	4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8N.exe	83
PID 3556 wrote to memory of 2672	3556	4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8N.exe	83
PID 3556 wrote to memory of 2672	3556	4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8N.exe	83
PID 2672 wrote to memory of 1372	2672	4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8N.exe	85
PID 2672 wrote to memory of 1372	2672	4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8N.exe	85
PID 2672 wrote to memory of 1372	2672	4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8N.exe	85
PID 1372 wrote to memory of 3140	1372	omsecor.exe	88
PID 1372 wrote to memory of 3140	1372	omsecor.exe	88
PID 1372 wrote to memory of 3140	1372	omsecor.exe	88
PID 1372 wrote to memory of 3140	1372	omsecor.exe	88
PID 1372 wrote to memory of 3140	1372	omsecor.exe	88
PID 3140 wrote to memory of 4656	3140	omsecor.exe	108
PID 3140 wrote to memory of 4656	3140	omsecor.exe	108
PID 3140 wrote to memory of 4656	3140	omsecor.exe	108
PID 4656 wrote to memory of 2256	4656	omsecor.exe	109
PID 4656 wrote to memory of 2256	4656	omsecor.exe	109
PID 4656 wrote to memory of 2256	4656	omsecor.exe	109
PID 4656 wrote to memory of 2256	4656	omsecor.exe	109
PID 4656 wrote to memory of 2256	4656	omsecor.exe	109
PID 2256 wrote to memory of 2584	2256	omsecor.exe	111
PID 2256 wrote to memory of 2584	2256	omsecor.exe	111
PID 2256 wrote to memory of 2584	2256	omsecor.exe	111
PID 2584 wrote to memory of 4400	2584	omsecor.exe	113
PID 2584 wrote to memory of 4400	2584	omsecor.exe	113
PID 2584 wrote to memory of 4400	2584	omsecor.exe	113
PID 2584 wrote to memory of 4400	2584	omsecor.exe	113
PID 2584 wrote to memory of 4400	2584	omsecor.exe	113

C:\Users\Admin\AppData\Local\Temp\4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8N.exe
"C:\Users\Admin\AppData\Local\Temp\4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3556
- C:\Users\Admin\AppData\Local\Temp\4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8N.exe
  C:\Users\Admin\AppData\Local\Temp\4ff84a7908469411f80cba8703cde97010761dba00a818a6b8add28115945cf8N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2672
- - 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:1372
  - - 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:3140
    - - 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:4656
      - 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:2256
        
        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:2584
        
        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:4400
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2584 -s 256
        8⤵
        Program crash
        
        PID:2744
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 292
        6⤵
        Program crash
        
        PID:316
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 288
      4⤵
      Program crash
      PID:2784
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3556 -s 292
  2⤵
  - Program crash
  PID:2728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3556 -ip 3556
1⤵
PID:4656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1372 -ip 1372
1⤵
PID:1508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4656 -ip 4656
1⤵
PID:1412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2584 -ip 2584
1⤵
PID:1464

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
128KB

MD5
e592901f58dbc0d723b02161c25de09b

SHA1
7a524df3873b0f85510f387509a401c7283e7b05

SHA256
ce23fdfa5c11fe603401aded783a620a2776772f693ebec312f2eaf718b66085

SHA512
e02944dc9298383b22abe608411172d25ba7d11da0330508412066e5127359f864262926336f808915fd799afb3c7a3c4ef4f56ce7e01890731d7c3d9db094bd

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

Filesize
128KB

MD5
8cef9564016438cda60c98cf30783d48

SHA1
503fabbd1f6f8c57e9e19d1c02aa0c7e4f5c5b35

SHA256
5dbcb3b179c611851e56499e462f01b44c33916c7e76c561ba430c47ea815b42

SHA512
3b54f05228fd0fdcbd3afbf1ee0a8ccf13ca0393e6814eac75d4f3d37f72e4f3cfd91a90c777a82f7958cf9c64d26a8ddbdc5e2a4eef8aaa49a76dd2489a3425

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

Filesize
128KB

MD5
70ec87368a1d42387bfdd532c062b375

SHA1
194f1b493007ffcfa214c379397a2756db946189

SHA256
8be6637fbd4e7ee65ca8abf8a3e6eb8b16fe64dd1c3c3b6d7a8b0d1af2a79b83

SHA512
583bd59d6fb31101bce1383ff23af378a6810272214f28a7d41ad760efa400c2d943ed9e0f28e5a8c99099bd66cc927b67366fa21fc776f8c98e4d999be09567

Download Submit
memory/2256-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2256-33-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2256-31-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2672-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2672-0-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2672-4-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2672-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3140-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3140-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3140-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3140-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3140-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3140-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3140-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4400-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4400-42-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4400-43-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download