neconyd | 2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842

Analysis

max time kernel
146s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2025 22:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe
Size

96KB
MD5

935034ed710c7393ffc572c5f46674cd
SHA1

0d5e36171d8491af625a580969badcb4805c62fb
SHA256

2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842
SHA512

cbaba63a8b020aa64318c7c78b07d5d6c242b97a6c229c26676b64c6f8298208d7c61ea577b8a3fec5f1505b965b886d09cf149ec6c13ddeccab0a375cdf50f1
SSDEEP

1536:lnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxb:lGs8cd8eXlYairZYqMddH13b

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
4456	omsecor.exe
3648	omsecor.exe
3324	omsecor.exe
4128	omsecor.exe
2932	omsecor.exe
3872	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 4380 set thread context of 3084	4380	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe	82
PID 4456 set thread context of 3648	4456	omsecor.exe	87
PID 3324 set thread context of 4128	3324	omsecor.exe	100
PID 2932 set thread context of 3872	2932	omsecor.exe	104

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3784	4380	WerFault.exe	81
1472	4456	WerFault.exe	84
1576	3324	WerFault.exe	99
4384	2932	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	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.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

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 3084	4380	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe	82
PID 4380 wrote to memory of 3084	4380	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe	82
PID 4380 wrote to memory of 3084	4380	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe	82
PID 4380 wrote to memory of 3084	4380	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe	82
PID 4380 wrote to memory of 3084	4380	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe	82
PID 3084 wrote to memory of 4456	3084	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe	84
PID 3084 wrote to memory of 4456	3084	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe	84
PID 3084 wrote to memory of 4456	3084	2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe	84
PID 4456 wrote to memory of 3648	4456	omsecor.exe	87
PID 4456 wrote to memory of 3648	4456	omsecor.exe	87
PID 4456 wrote to memory of 3648	4456	omsecor.exe	87
PID 4456 wrote to memory of 3648	4456	omsecor.exe	87
PID 4456 wrote to memory of 3648	4456	omsecor.exe	87
PID 3648 wrote to memory of 3324	3648	omsecor.exe	99
PID 3648 wrote to memory of 3324	3648	omsecor.exe	99
PID 3648 wrote to memory of 3324	3648	omsecor.exe	99
PID 3324 wrote to memory of 4128	3324	omsecor.exe	100
PID 3324 wrote to memory of 4128	3324	omsecor.exe	100
PID 3324 wrote to memory of 4128	3324	omsecor.exe	100
PID 3324 wrote to memory of 4128	3324	omsecor.exe	100
PID 3324 wrote to memory of 4128	3324	omsecor.exe	100
PID 4128 wrote to memory of 2932	4128	omsecor.exe	102
PID 4128 wrote to memory of 2932	4128	omsecor.exe	102
PID 4128 wrote to memory of 2932	4128	omsecor.exe	102
PID 2932 wrote to memory of 3872	2932	omsecor.exe	104
PID 2932 wrote to memory of 3872	2932	omsecor.exe	104
PID 2932 wrote to memory of 3872	2932	omsecor.exe	104
PID 2932 wrote to memory of 3872	2932	omsecor.exe	104
PID 2932 wrote to memory of 3872	2932	omsecor.exe	104

C:\Users\Admin\AppData\Local\Temp\2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe
"C:\Users\Admin\AppData\Local\Temp\2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4380
- C:\Users\Admin\AppData\Local\Temp\2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe
  C:\Users\Admin\AppData\Local\Temp\2a1a5c77cd97606c5accdd839862a6d53d5f8d080b61e0399f7085534e156842.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3084
- - 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:4456
  - - 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:3648
    - - 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:3324
      - 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:4128
        
        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:2932
        
        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:3872
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2932 -s 256
        8⤵
        Program crash
        
        PID:4384
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3324 -s 292
        6⤵
        Program crash
        
        PID:1576
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 276
      4⤵
      Program crash
      PID:1472
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 288
  2⤵
  - Program crash
  PID:3784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4380 -ip 4380
1⤵
PID:2712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4456 -ip 4456
1⤵
PID:4208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3324 -ip 3324
1⤵
PID:4716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2932 -ip 2932
1⤵
PID:1376

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
071613e7b7edc4081e267ecc46adad39

SHA1
dcd241c9eb2cace260e0124ad8527c771d63341b

SHA256
0e4ee90643fd7e06dfb02bf74a683e2da14a0ee448117f8e9be82d22be5e89af

SHA512
a54a893436a0aa6faa9cee174f68a9676dd185813997f7623d0f8e5f489ebe578c6a6900b7b119c4dadcf9d3c5b1a452311c39404a0d5f61df062e233fbc65e2

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

Filesize
96KB

MD5
e1f1ff1da39a6baaf4dbf3deaa1af0cd

SHA1
486b5dcbb9d9693c649cd1f10a0a57cd475f9729

SHA256
97337c0f5cfef23c7093870b4cf3ea51131fc82100798e7f8312d0c1fbb4ad89

SHA512
8d29cd772da12d046e9bd5dc69623b1fe2e4533c0efd20617a69724ccd49947942c5a106b40d4a2355acdd1d6cd6cfad7dd18fac3ad3d763795e56c90c508069

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

Filesize
96KB

MD5
c3afb9b8c2250df87e7e506df053cb0d

SHA1
beceb77aac59cfad2798a2e276feb57f98038094

SHA256
7a32d04d58779eff7b263e9d80747e5e27f230f1d38d9d4e629c351679c0a0b3

SHA512
ee707ea06001a2bab2cc5531ddeae1d248704e78c7a3ccf46eebbc239f1fab40c328159bdb84a1b69160d64fa746188a06941bc40cb57512f7b3a87480f3dfdf

Download Submit
memory/2932-43-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3084-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3084-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3084-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3084-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3324-50-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3324-30-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3648-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3648-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3648-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3648-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3648-29-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3648-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3648-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3872-52-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3872-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3872-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3872-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4128-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4128-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4128-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4380-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4380-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4456-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download