neconyd | b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99

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 07:20

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General

Target

b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
Size

96KB
MD5

606343d6951c53f2035ed0d62ba8c618
SHA1

cd2dd8d2ad3fa6dbf282b61046b4209ee70b8d5f
SHA256

b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99
SHA512

6a06c41361d0c21dc652a0821855c1c45c210078f68ff306e403b56d133b2ff7565c67de78c4f70195adefe26fdc9cbf5df831783766e8b513b5ea33b7cf3478
SSDEEP

1536:3nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxb:3Gs8cd8eXlYairZYqMddH13b

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
4620	omsecor.exe
872	omsecor.exe
3296	omsecor.exe
1956	omsecor.exe
3476	omsecor.exe
3540	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 3284 set thread context of 2592	3284	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	83
PID 4620 set thread context of 872	4620	omsecor.exe	88
PID 3296 set thread context of 1956	3296	omsecor.exe	110
PID 3476 set thread context of 3540	3476	omsecor.exe	114

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3832	3284	WerFault.exe	82
4212	4620	WerFault.exe	85
3480	3296	WerFault.exe	109
4372	3476	WerFault.exe	112

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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3284 wrote to memory of 2592	3284	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	83
PID 3284 wrote to memory of 2592	3284	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	83
PID 3284 wrote to memory of 2592	3284	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	83
PID 3284 wrote to memory of 2592	3284	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	83
PID 3284 wrote to memory of 2592	3284	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	83
PID 2592 wrote to memory of 4620	2592	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	85
PID 2592 wrote to memory of 4620	2592	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	85
PID 2592 wrote to memory of 4620	2592	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	85
PID 4620 wrote to memory of 872	4620	omsecor.exe	88
PID 4620 wrote to memory of 872	4620	omsecor.exe	88
PID 4620 wrote to memory of 872	4620	omsecor.exe	88
PID 4620 wrote to memory of 872	4620	omsecor.exe	88
PID 4620 wrote to memory of 872	4620	omsecor.exe	88
PID 872 wrote to memory of 3296	872	omsecor.exe	109
PID 872 wrote to memory of 3296	872	omsecor.exe	109
PID 872 wrote to memory of 3296	872	omsecor.exe	109
PID 3296 wrote to memory of 1956	3296	omsecor.exe	110
PID 3296 wrote to memory of 1956	3296	omsecor.exe	110
PID 3296 wrote to memory of 1956	3296	omsecor.exe	110
PID 3296 wrote to memory of 1956	3296	omsecor.exe	110
PID 3296 wrote to memory of 1956	3296	omsecor.exe	110
PID 1956 wrote to memory of 3476	1956	omsecor.exe	112
PID 1956 wrote to memory of 3476	1956	omsecor.exe	112
PID 1956 wrote to memory of 3476	1956	omsecor.exe	112
PID 3476 wrote to memory of 3540	3476	omsecor.exe	114
PID 3476 wrote to memory of 3540	3476	omsecor.exe	114
PID 3476 wrote to memory of 3540	3476	omsecor.exe	114
PID 3476 wrote to memory of 3540	3476	omsecor.exe	114
PID 3476 wrote to memory of 3540	3476	omsecor.exe	114

C:\Users\Admin\AppData\Local\Temp\b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
"C:\Users\Admin\AppData\Local\Temp\b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3284
- C:\Users\Admin\AppData\Local\Temp\b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
  C:\Users\Admin\AppData\Local\Temp\b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2592
- - 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:4620
  - - 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:872
    - - 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:3296
      - 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:1956
        
        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:3476
        
        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:3540
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3476 -s 256
        8⤵
        Program crash
        
        PID:4372
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3296 -s 296
        6⤵
        Program crash
        
        PID:3480
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4620 -s 272
      4⤵
      Program crash
      PID:4212
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3284 -s 292
  2⤵
  - Program crash
  PID:3832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3284 -ip 3284
1⤵
PID:3972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4620 -ip 4620
1⤵
PID:4188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3296 -ip 3296
1⤵
PID:3044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3476 -ip 3476
1⤵
PID:2724

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
5d7265e372cdeced608702e564f4ec04

SHA1
bd8aa50bb778b201a6896ac8ab16cebb9ad2a541

SHA256
ea3ac0d3c28dcc0d8104a084d245ed3cb1bdf66c4b3fefa9eb01cbbf5616e41d

SHA512
d5ad65041a37aa328c8629bda299dd631bb9c864457fa73775465cb298e3e3830ec5d8f3751cd012390cb0e3c0caa206c16404f564e89607ca4faa605df175d7

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

Filesize
96KB

MD5
2f21ddcb3b74b8fef02ab6bcd12a70a7

SHA1
80e3e6070bd26b46cd745193a67b7bf3f4f5925e

SHA256
775d1989558c854244fe8943b6d77122fb51126a2be888a0f920365ad2e6f4d5

SHA512
34b806b6fd70b6e4f31a46757c2bbe29528c22f3197217d195cf3ed37b532ad53c3a08269786c3d8deb9bb9a98b0a3975984db1e35cb0296a91f00e7a29f10e1

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

Filesize
96KB

MD5
f6839d9475b98651996ab19e63f29c21

SHA1
53085c336117d0601a1b8a842282f6773baa7abb

SHA256
c55932d8251296b0023c29eaa64763aabddf8e0e2d12d46e59f84a534d663b27

SHA512
1905799baea6f0c98cf6745582ddd2df827a4144cb0e538d995d13e9de3710eaa74b6a7b70018a71db44252ff64580da01833c1b2ffc9024c32f453db5954a6c

Download Submit
memory/872-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/872-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/872-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/872-31-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/872-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/872-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/872-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1956-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1956-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1956-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2592-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2592-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2592-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2592-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3284-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3284-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3296-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3296-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3476-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3476-54-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3540-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3540-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3540-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3540-58-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4620-10-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4620-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download