neconyd | dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7

Analysis

max time kernel
146s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2025 09:05

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General

Target

dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe
Size

96KB
MD5

6265f95b5751682f1cf51e2acbf42108
SHA1

1a92795b59ed886e299a84b5f1c6d179a7f9fda5
SHA256

dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7
SHA512

4614dc6c42a212b50e3fe839f9fbd2197fe34cb92e1c053506cb7f13087f8c16c35c2a4b1171d9cba76d8d815ed4605076452ae5af01b1c378a62e39e4c15c4b
SSDEEP

1536:xnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:xGs8cd8eXlYairZYqMddH13L

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
2732	omsecor.exe
4196	omsecor.exe
4976	omsecor.exe
1284	omsecor.exe
2360	omsecor.exe
2004	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 3124 set thread context of 3460	3124	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	82
PID 2732 set thread context of 4196	2732	omsecor.exe	87
PID 4976 set thread context of 1284	4976	omsecor.exe	100
PID 2360 set thread context of 2004	2360	omsecor.exe	103

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4188	3124	WerFault.exe	81
2116	2732	WerFault.exe	84
4528	4976	WerFault.exe	99
4900	2360	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	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.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

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 3460	3124	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	82
PID 3124 wrote to memory of 3460	3124	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	82
PID 3124 wrote to memory of 3460	3124	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	82
PID 3124 wrote to memory of 3460	3124	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	82
PID 3124 wrote to memory of 3460	3124	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	82
PID 3460 wrote to memory of 2732	3460	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	84
PID 3460 wrote to memory of 2732	3460	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	84
PID 3460 wrote to memory of 2732	3460	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	84
PID 2732 wrote to memory of 4196	2732	omsecor.exe	87
PID 2732 wrote to memory of 4196	2732	omsecor.exe	87
PID 2732 wrote to memory of 4196	2732	omsecor.exe	87
PID 2732 wrote to memory of 4196	2732	omsecor.exe	87
PID 2732 wrote to memory of 4196	2732	omsecor.exe	87
PID 4196 wrote to memory of 4976	4196	omsecor.exe	99
PID 4196 wrote to memory of 4976	4196	omsecor.exe	99
PID 4196 wrote to memory of 4976	4196	omsecor.exe	99
PID 4976 wrote to memory of 1284	4976	omsecor.exe	100
PID 4976 wrote to memory of 1284	4976	omsecor.exe	100
PID 4976 wrote to memory of 1284	4976	omsecor.exe	100
PID 4976 wrote to memory of 1284	4976	omsecor.exe	100
PID 4976 wrote to memory of 1284	4976	omsecor.exe	100
PID 1284 wrote to memory of 2360	1284	omsecor.exe	102
PID 1284 wrote to memory of 2360	1284	omsecor.exe	102
PID 1284 wrote to memory of 2360	1284	omsecor.exe	102
PID 2360 wrote to memory of 2004	2360	omsecor.exe	103
PID 2360 wrote to memory of 2004	2360	omsecor.exe	103
PID 2360 wrote to memory of 2004	2360	omsecor.exe	103
PID 2360 wrote to memory of 2004	2360	omsecor.exe	103
PID 2360 wrote to memory of 2004	2360	omsecor.exe	103

C:\Users\Admin\AppData\Local\Temp\dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe
"C:\Users\Admin\AppData\Local\Temp\dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3124
- C:\Users\Admin\AppData\Local\Temp\dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe
  C:\Users\Admin\AppData\Local\Temp\dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3460
- - 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:2732
  - - 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:4196
    - - 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:4976
      - 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:1284
        
        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:2360
        
        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:2004
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 256
        8⤵
        Program crash
        
        PID:4900
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 296
        6⤵
        Program crash
        
        PID:4528
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 300
      4⤵
      Program crash
      PID:2116
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3124 -s 304
  2⤵
  - Program crash
  PID:4188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3124 -ip 3124
1⤵
PID:2188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2732 -ip 2732
1⤵
PID:3964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4976 -ip 4976
1⤵
PID:2736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2360 -ip 2360
1⤵
PID:4316

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
c7c47a004eb060f5a0cc1fda7b78e9d9

SHA1
8ff3b25b85402f6c5b7009655419da2615c8ba5c

SHA256
6b602921fe6ba928bb6fa63287bf293280a23f637eef3b7da9d1a7d36c59c3cf

SHA512
c4232b41e51e1f450ea95fe1f71f902c354f822c68cd695d11505ae5e7be1985084d082b821ec272d86c845e7186b6a984430e47dbde02c12ad066de84707a5f

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

Filesize
96KB

MD5
9a51872b871cc037205373097524b178

SHA1
d5b019d3328898dec3dc865b3c7bec53be7d0ece

SHA256
fdfcdb8c11224c2beead9431ae6996f940e18f32df9395fa33f16fdebbc4b0c6

SHA512
00519ce734844508e693f6c82d00e7ace84914f296b7ad7ea00ac37c3a0bddfbc4c3543adb0bc0aae1abb898f09da7bd530b2d55bf07c28d34e027a2849ee08a

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

Filesize
96KB

MD5
813c74a85525d4344ae6ab7a227d113c

SHA1
d39319808ae8d459ce2067eec2b452f4b950c1ff

SHA256
951c466b9b8e0f26b4a8ce73179451141df65adb8cf59a6eb157f25039dd71f7

SHA512
55eca592e0cf24a81de08091a9e34cb428fc91e26a8958d8716a25ffcea6b0800a1abadc084d98de3b5ef6ec33d29850f5f64e9a55394d11362543995c33d989

Download Submit
memory/1284-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1284-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1284-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2004-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2004-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2004-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2004-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2360-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2732-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2732-10-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3124-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3124-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3460-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3460-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3460-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3460-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4196-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4196-33-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4196-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4196-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4196-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4196-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4196-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4976-34-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4976-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download