neconyd | 25b03dceb4c2e0a33ab3d5bf765ff9914746fe41017fb5a5e9e025139d0fc1b0

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
04-01-2025 10:34

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General

Target

25b03dceb4c2e0a33ab3d5bf765ff9914746fe41017fb5a5e9e025139d0fc1b0N.exe
Size

96KB
MD5

82a3064afc256638a9bc8609d7b04f20
SHA1

dc8fcf3de8dc90c81656256f402e159074a0a9b1
SHA256

25b03dceb4c2e0a33ab3d5bf765ff9914746fe41017fb5a5e9e025139d0fc1b0
SHA512

957c1028ed7350bfc7d7108be87bbe5ada1aad159895b29c6c18e12da7478525da5c04dc7d5e917bcab5383be9a7d713cf33a201d47024a6e80bb992e5605677
SSDEEP

1536:2nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:2Gs8cd8eXlYairZYqMddH13L

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
4496	omsecor.exe
4608	omsecor.exe
3632	omsecor.exe
788	omsecor.exe
4204	omsecor.exe
1676	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 1916 set thread context of 1984	1916	25b03dceb4c2e0a33ab3d5bf765ff9914746fe41017fb5a5e9e025139d0fc1b0N.exe	82
PID 4496 set thread context of 4608	4496	omsecor.exe	86
PID 3632 set thread context of 788	3632	omsecor.exe	100
PID 4204 set thread context of 1676	4204	omsecor.exe	104

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1460	1916	WerFault.exe	81
2932	4496	WerFault.exe	85
4872	3632	WerFault.exe	99
4128	4204	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	25b03dceb4c2e0a33ab3d5bf765ff9914746fe41017fb5a5e9e025139d0fc1b0N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	25b03dceb4c2e0a33ab3d5bf765ff9914746fe41017fb5a5e9e025139d0fc1b0N.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 1984	1916	25b03dceb4c2e0a33ab3d5bf765ff9914746fe41017fb5a5e9e025139d0fc1b0N.exe	82
PID 1916 wrote to memory of 1984	1916	25b03dceb4c2e0a33ab3d5bf765ff9914746fe41017fb5a5e9e025139d0fc1b0N.exe	82
PID 1916 wrote to memory of 1984	1916	25b03dceb4c2e0a33ab3d5bf765ff9914746fe41017fb5a5e9e025139d0fc1b0N.exe	82
PID 1916 wrote to memory of 1984	1916	25b03dceb4c2e0a33ab3d5bf765ff9914746fe41017fb5a5e9e025139d0fc1b0N.exe	82
PID 1916 wrote to memory of 1984	1916	25b03dceb4c2e0a33ab3d5bf765ff9914746fe41017fb5a5e9e025139d0fc1b0N.exe	82
PID 1984 wrote to memory of 4496	1984	25b03dceb4c2e0a33ab3d5bf765ff9914746fe41017fb5a5e9e025139d0fc1b0N.exe	85
PID 1984 wrote to memory of 4496	1984	25b03dceb4c2e0a33ab3d5bf765ff9914746fe41017fb5a5e9e025139d0fc1b0N.exe	85
PID 1984 wrote to memory of 4496	1984	25b03dceb4c2e0a33ab3d5bf765ff9914746fe41017fb5a5e9e025139d0fc1b0N.exe	85
PID 4496 wrote to memory of 4608	4496	omsecor.exe	86
PID 4496 wrote to memory of 4608	4496	omsecor.exe	86
PID 4496 wrote to memory of 4608	4496	omsecor.exe	86
PID 4496 wrote to memory of 4608	4496	omsecor.exe	86
PID 4496 wrote to memory of 4608	4496	omsecor.exe	86
PID 4608 wrote to memory of 3632	4608	omsecor.exe	99
PID 4608 wrote to memory of 3632	4608	omsecor.exe	99
PID 4608 wrote to memory of 3632	4608	omsecor.exe	99
PID 3632 wrote to memory of 788	3632	omsecor.exe	100
PID 3632 wrote to memory of 788	3632	omsecor.exe	100
PID 3632 wrote to memory of 788	3632	omsecor.exe	100
PID 3632 wrote to memory of 788	3632	omsecor.exe	100
PID 3632 wrote to memory of 788	3632	omsecor.exe	100
PID 788 wrote to memory of 4204	788	omsecor.exe	102
PID 788 wrote to memory of 4204	788	omsecor.exe	102
PID 788 wrote to memory of 4204	788	omsecor.exe	102
PID 4204 wrote to memory of 1676	4204	omsecor.exe	104
PID 4204 wrote to memory of 1676	4204	omsecor.exe	104
PID 4204 wrote to memory of 1676	4204	omsecor.exe	104
PID 4204 wrote to memory of 1676	4204	omsecor.exe	104
PID 4204 wrote to memory of 1676	4204	omsecor.exe	104

C:\Users\Admin\AppData\Local\Temp\25b03dceb4c2e0a33ab3d5bf765ff9914746fe41017fb5a5e9e025139d0fc1b0N.exe
"C:\Users\Admin\AppData\Local\Temp\25b03dceb4c2e0a33ab3d5bf765ff9914746fe41017fb5a5e9e025139d0fc1b0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Users\Admin\AppData\Local\Temp\25b03dceb4c2e0a33ab3d5bf765ff9914746fe41017fb5a5e9e025139d0fc1b0N.exe
  C:\Users\Admin\AppData\Local\Temp\25b03dceb4c2e0a33ab3d5bf765ff9914746fe41017fb5a5e9e025139d0fc1b0N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1984
- - 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:4496
  - - 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:4608
    - - 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:3632
      - 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:788
        
        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:4204
        
        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:1676
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4204 -s 256
        8⤵
        Program crash
        
        PID:4128
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3632 -s 292
        6⤵
        Program crash
        
        PID:4872
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 300
      4⤵
      Program crash
      PID:2932
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 288
  2⤵
  - Program crash
  PID:1460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1916 -ip 1916
1⤵
PID:4736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4496 -ip 4496
1⤵
PID:3852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3632 -ip 3632
1⤵
PID:2144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4204 -ip 4204
1⤵
PID:1876

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
175ff8613e46b0ed394f0c289179cebf

SHA1
f17a7e2b05febe8b28f6f6c74d9d8d2f39621599

SHA256
91a72c6d342189658464e647acb222eeadbedb4e019ccc77d12947c27eac2c3f

SHA512
d1104fef152d60d470ea7457ac1de592c848a7c33dce6729ea15f289eaf81bcffe8e7e514acfd2454ca5b3c1410d3a8e351caa472df3eaf4d32fbe7d2a5b31b7

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

Filesize
96KB

MD5
b32ba694853f4cd17354a0f8919698fa

SHA1
afb87ed6b396700bf3eeb71c0acc8cea963ede0c

SHA256
45f6f8cd971e2b06caf21106a7f9472e1aede8bf9f48a54199a05c069e075707

SHA512
eb92a7b2f0f1b8c70dc52628f8bc9d7995077ea7c74b138b75b319ab543b23af55cf21ac8d702f4c810caf65a604a2aee4052ef824d549393613c9b2e2f3913b

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

Filesize
96KB

MD5
da0281ce2a1a851b4e14f544bef6fa17

SHA1
3c6609bd588de794a9d3d336c28eddde7fdf15d2

SHA256
6ccb5c584f1c0c83297c4dea362e5293b14d6f8776b49e9e900d09c7d51f26fa

SHA512
4f09488256df2bc858e002ab222be942c79257297fcf29c74faf6e87d43650d10c7e0f89114aa04582a2617b4ab486dd46696633c8ee3fe7c1d7b6fb66d08f8c

Download Submit
memory/788-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/788-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/788-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1676-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1676-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1676-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1916-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1916-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1984-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1984-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1984-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1984-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3632-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3632-31-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4204-54-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4204-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4496-16-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4496-8-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4608-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4608-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4608-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4608-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4608-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4608-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4608-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download