neconyd | cbd9a43b62486c673d03b1460839a152479747e7221e114a7d1570744728cc5a

Analysis

max time kernel
145s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2025 04:24

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General

Target

cbd9a43b62486c673d03b1460839a152479747e7221e114a7d1570744728cc5a.exe
Size

96KB
MD5

7b36c6a0efbe6cc7449596ed82e309cd
SHA1

e935b2fc7675a6d9769311b8fe2ab4712d32f3bf
SHA256

cbd9a43b62486c673d03b1460839a152479747e7221e114a7d1570744728cc5a
SHA512

9d0592be95baecff12af33105fbdecc0c58da96b7ea28bd947f9a7731f2bd8ef709bb285477641128c27308e4f5ae64dbfa6ae9971f1c522966351810dba5239
SSDEEP

1536:OnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxx5:OGs8cd8eXlYairZYqMddH135

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
1928	omsecor.exe
2504	omsecor.exe
2916	omsecor.exe
4936	omsecor.exe
3716	omsecor.exe
2796	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 2972 set thread context of 1972	2972	cbd9a43b62486c673d03b1460839a152479747e7221e114a7d1570744728cc5a.exe	83
PID 1928 set thread context of 2504	1928	omsecor.exe	88
PID 2916 set thread context of 4936	2916	omsecor.exe	103
PID 3716 set thread context of 2796	3716	omsecor.exe	107

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4444	2972	WerFault.exe	82
3660	1928	WerFault.exe	85
1420	2916	WerFault.exe	102
2652	3716	WerFault.exe	105

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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cbd9a43b62486c673d03b1460839a152479747e7221e114a7d1570744728cc5a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cbd9a43b62486c673d03b1460839a152479747e7221e114a7d1570744728cc5a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 1972	2972	cbd9a43b62486c673d03b1460839a152479747e7221e114a7d1570744728cc5a.exe	83
PID 2972 wrote to memory of 1972	2972	cbd9a43b62486c673d03b1460839a152479747e7221e114a7d1570744728cc5a.exe	83
PID 2972 wrote to memory of 1972	2972	cbd9a43b62486c673d03b1460839a152479747e7221e114a7d1570744728cc5a.exe	83
PID 2972 wrote to memory of 1972	2972	cbd9a43b62486c673d03b1460839a152479747e7221e114a7d1570744728cc5a.exe	83
PID 2972 wrote to memory of 1972	2972	cbd9a43b62486c673d03b1460839a152479747e7221e114a7d1570744728cc5a.exe	83
PID 1972 wrote to memory of 1928	1972	cbd9a43b62486c673d03b1460839a152479747e7221e114a7d1570744728cc5a.exe	85
PID 1972 wrote to memory of 1928	1972	cbd9a43b62486c673d03b1460839a152479747e7221e114a7d1570744728cc5a.exe	85
PID 1972 wrote to memory of 1928	1972	cbd9a43b62486c673d03b1460839a152479747e7221e114a7d1570744728cc5a.exe	85
PID 1928 wrote to memory of 2504	1928	omsecor.exe	88
PID 1928 wrote to memory of 2504	1928	omsecor.exe	88
PID 1928 wrote to memory of 2504	1928	omsecor.exe	88
PID 1928 wrote to memory of 2504	1928	omsecor.exe	88
PID 1928 wrote to memory of 2504	1928	omsecor.exe	88
PID 2504 wrote to memory of 2916	2504	omsecor.exe	102
PID 2504 wrote to memory of 2916	2504	omsecor.exe	102
PID 2504 wrote to memory of 2916	2504	omsecor.exe	102
PID 2916 wrote to memory of 4936	2916	omsecor.exe	103
PID 2916 wrote to memory of 4936	2916	omsecor.exe	103
PID 2916 wrote to memory of 4936	2916	omsecor.exe	103
PID 2916 wrote to memory of 4936	2916	omsecor.exe	103
PID 2916 wrote to memory of 4936	2916	omsecor.exe	103
PID 4936 wrote to memory of 3716	4936	omsecor.exe	105
PID 4936 wrote to memory of 3716	4936	omsecor.exe	105
PID 4936 wrote to memory of 3716	4936	omsecor.exe	105
PID 3716 wrote to memory of 2796	3716	omsecor.exe	107
PID 3716 wrote to memory of 2796	3716	omsecor.exe	107
PID 3716 wrote to memory of 2796	3716	omsecor.exe	107
PID 3716 wrote to memory of 2796	3716	omsecor.exe	107
PID 3716 wrote to memory of 2796	3716	omsecor.exe	107

C:\Users\Admin\AppData\Local\Temp\cbd9a43b62486c673d03b1460839a152479747e7221e114a7d1570744728cc5a.exe
"C:\Users\Admin\AppData\Local\Temp\cbd9a43b62486c673d03b1460839a152479747e7221e114a7d1570744728cc5a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Users\Admin\AppData\Local\Temp\cbd9a43b62486c673d03b1460839a152479747e7221e114a7d1570744728cc5a.exe
  C:\Users\Admin\AppData\Local\Temp\cbd9a43b62486c673d03b1460839a152479747e7221e114a7d1570744728cc5a.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1972
- - 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:1928
  - - 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:2504
    - - 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:2916
      - 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:4936
        
        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:3716
        
        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:2796
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3716 -s 264
        8⤵
        Program crash
        
        PID:2652
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 292
        6⤵
        Program crash
        
        PID:1420
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 300
      4⤵
      Program crash
      PID:3660
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2972 -s 288
  2⤵
  - Program crash
  PID:4444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2972 -ip 2972
1⤵
PID:4504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1928 -ip 1928
1⤵
PID:2496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2916 -ip 2916
1⤵
PID:652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3716 -ip 3716
1⤵
PID:4112

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
cf941ab94d763dea40c58d4964901b9b

SHA1
facf8c2f50eb176dff0db5819fcf2f805a687360

SHA256
4714ba534b2c543abe995649754c7a945f90c9c2ff3649659f74ba8af891e25c

SHA512
a64fe7684a6ff50cf2885d49df18434a4bcbf06f3f53a0e531687bfad6b74e4923382b740755bc3db08ca025645e27df5fa05717c030f77ea3eedfdbe9763301

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

Filesize
96KB

MD5
552f63b7af00fbe5784371af1ed49515

SHA1
874e8f1185186679ad26e36e87595f86ad897f07

SHA256
6e162b9ff2cf40f0cff347694034b97f3540c7dff43bb45cc18f5a1e96fa5860

SHA512
ba375970b2f351cfe6c7201f72b6af4f8a8176844bb2067adb49fd288a816819a37b2b4a7d21b3cdb94f2b251a21347b09ebf8a087133e134d060ab3b294ab9a

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

Filesize
96KB

MD5
ac2cc78c4c564e2362d5d4387c20e290

SHA1
858d0448804a4053fde605f653c0f036af93d225

SHA256
d1e55ff329a478d6475d7fd6f751b0d55b89f76aec6c41d507cb0c721fda3685

SHA512
85421cfa138866cb21731e967a3a9c1fb33338387f0e1c40af33dc11a237326c832bc838319f6cb2059c65c0e742e1c77b22e82e0d0147efa694152a673a6199

Download Submit
memory/1928-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1928-10-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1972-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1972-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1972-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1972-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2504-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2504-34-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2504-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2504-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2504-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2504-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2504-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2796-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2796-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2796-51-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2796-52-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2916-35-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2916-54-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2972-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2972-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3716-47-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3716-56-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4936-42-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4936-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4936-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download