neconyd | 33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/01/2025, 22:48

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General

Target

33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe
Size

96KB
MD5

8cf5d2de5a442b238701e0c509d5dbed
SHA1

5621535b5949f5ab0b93de04939da73d4efb3720
SHA256

33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b
SHA512

aec251a989d46f3cb7949574b0c46dce0ca003bab515c8b5cae44442411f0deb5d857ebe3a754439ef4aec15287c9367467c799fbeeb01a6216a58e4cbdba35c
SSDEEP

1536:7nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:7Gs8cd8eXlYairZYqMddH13L

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
1988	omsecor.exe
2912	omsecor.exe
2228	omsecor.exe
1960	omsecor.exe
3016	omsecor.exe
2088	omsecor.exe

Loads dropped DLL 7 IoCs

pid	Process
2904	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe
2904	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe
1988	omsecor.exe
2912	omsecor.exe
2912	omsecor.exe
1960	omsecor.exe
1960	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 2816 set thread context of 2904	2816	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	30
PID 1988 set thread context of 2912	1988	omsecor.exe	32
PID 2228 set thread context of 1960	2228	omsecor.exe	36
PID 3016 set thread context of 2088	3016	omsecor.exe	38

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	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.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 36 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2904	2816	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	30
PID 2816 wrote to memory of 2904	2816	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	30
PID 2816 wrote to memory of 2904	2816	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	30
PID 2816 wrote to memory of 2904	2816	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	30
PID 2816 wrote to memory of 2904	2816	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	30
PID 2816 wrote to memory of 2904	2816	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	30
PID 2904 wrote to memory of 1988	2904	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	31
PID 2904 wrote to memory of 1988	2904	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	31
PID 2904 wrote to memory of 1988	2904	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	31
PID 2904 wrote to memory of 1988	2904	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	31
PID 1988 wrote to memory of 2912	1988	omsecor.exe	32
PID 1988 wrote to memory of 2912	1988	omsecor.exe	32
PID 1988 wrote to memory of 2912	1988	omsecor.exe	32
PID 1988 wrote to memory of 2912	1988	omsecor.exe	32
PID 1988 wrote to memory of 2912	1988	omsecor.exe	32
PID 1988 wrote to memory of 2912	1988	omsecor.exe	32
PID 2912 wrote to memory of 2228	2912	omsecor.exe	35
PID 2912 wrote to memory of 2228	2912	omsecor.exe	35
PID 2912 wrote to memory of 2228	2912	omsecor.exe	35
PID 2912 wrote to memory of 2228	2912	omsecor.exe	35
PID 2228 wrote to memory of 1960	2228	omsecor.exe	36
PID 2228 wrote to memory of 1960	2228	omsecor.exe	36
PID 2228 wrote to memory of 1960	2228	omsecor.exe	36
PID 2228 wrote to memory of 1960	2228	omsecor.exe	36
PID 2228 wrote to memory of 1960	2228	omsecor.exe	36
PID 2228 wrote to memory of 1960	2228	omsecor.exe	36
PID 1960 wrote to memory of 3016	1960	omsecor.exe	37
PID 1960 wrote to memory of 3016	1960	omsecor.exe	37
PID 1960 wrote to memory of 3016	1960	omsecor.exe	37
PID 1960 wrote to memory of 3016	1960	omsecor.exe	37
PID 3016 wrote to memory of 2088	3016	omsecor.exe	38
PID 3016 wrote to memory of 2088	3016	omsecor.exe	38
PID 3016 wrote to memory of 2088	3016	omsecor.exe	38
PID 3016 wrote to memory of 2088	3016	omsecor.exe	38
PID 3016 wrote to memory of 2088	3016	omsecor.exe	38
PID 3016 wrote to memory of 2088	3016	omsecor.exe	38

C:\Users\Admin\AppData\Local\Temp\33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe
"C:\Users\Admin\AppData\Local\Temp\33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Users\Admin\AppData\Local\Temp\33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe
  C:\Users\Admin\AppData\Local\Temp\33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2904
- - C:\Users\Admin\AppData\Roaming\omsecor.exe
    C:\Users\Admin\AppData\Roaming\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1988
  - - C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2912
    - - 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:2228
      - C:\Windows\SysWOW64\omsecor.exe
        
        C:\Windows\SysWOW64\omsecor.exe
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1960
        
        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:3016
        
        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:2088

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

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Downloads

\Users\Admin\AppData\Roaming\omsecor.exe

Filesize
96KB

MD5
e6582fd2a53dd0fd69a510709218210c

SHA1
9d0785aab0572c6ad1f2c4ac05964cc3fde5b90c

SHA256
2eefc66a4a30098447bae464b94a2ec1a8069309a2ac724dfa6146b9a00d7e5b

SHA512
2e06bff8aa7a850336edc1ef3ce4cf7e11a776643c6bfd2999fbc5a06b1bdfc54ad7521b04fc240664e58c5e7a3c7f8eae907d56bb739e1dceac181771a180ae

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

Filesize
96KB

MD5
caad36879b75e74be17248f1cb9199e8

SHA1
09c99335e319934ea7ee19b05cac4a0742600c98

SHA256
31d26a5e51a2de1e5c4c7e6fa80c2fe03f48732beebd3c5061f4b08a69a380b1

SHA512
52daae954888cda25ce900709257a1876ff312d388b694a9b67858681c850bdbc02b18b097803fbf8c41f76d10cf08841a406f000217e384c5f9ba69461c4a6f

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
96KB

MD5
04699e9bee90c5a22a8ffe52614c13ed

SHA1
5f144820030a58e96cb24d091d10cd63eda2a3fd

SHA256
61217beb0223f89bd5a224c5e41eadba013c32e9236caff3d720ed344b37d69c

SHA512
2b229c38683c8a32c2270dc0edf7052869217ad3838546b11117c88062b698bcae76ecf0b704a7ada3dbbfa70dd041b292b76aff26a668dd19bdb077174c10db

Download Submit
memory/1960-73-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/1988-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1988-22-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2088-90-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2088-93-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2228-58-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2228-69-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2816-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2816-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2904-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2904-14-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/2904-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2904-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2904-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2904-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2912-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2912-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2912-56-0x0000000002010000-0x0000000002033000-memory.dmp

Filesize
140KB

Download
memory/2912-48-0x0000000002010000-0x0000000002033000-memory.dmp

Filesize
140KB

Download
memory/2912-44-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2912-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2912-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3016-88-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download