neconyd | 33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b

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
09/01/2025, 22:48

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General

Target
33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe
Size 96KB
Sample250109-2rl4yswjfk
SHA256 33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b
MD5 8cf5d2de5a442b238701e0c509d5dbed
SHA1 5621535b5949f5ab0b93de04939da73d4efb3720
SHA512 aec251a989d46f3cb7949574b0c46dce0ca003bab515c8b5cae44442411f0deb5d857ebe3a754439ef4aec15287c9367467c799fbeeb01a6216a58e4cbdba35c
SSDEEP 1536:7nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:7Gs8cd8eXlYairZYqMddH13L
MD5 SHA1 SHA512 SSDEEP

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
992	omsecor.exe
1616	omsecor.exe
4536	omsecor.exe
4268	omsecor.exe
3808	omsecor.exe
2248	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 2780 set thread context of 2848	2780	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	83
PID 992 set thread context of 1616	992	omsecor.exe	87
PID 4536 set thread context of 4268	4536	omsecor.exe	109
PID 3808 set thread context of 2248	3808	omsecor.exe	113

Program crash 4 IoCs

pid	pid_target	Process	procid_target
2124	2780	WerFault.exe	82
3868	992	WerFault.exe	85
548	4536	WerFault.exe	108
2000	3808	WerFault.exe	111

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

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 2848	2780	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	83
PID 2780 wrote to memory of 2848	2780	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	83
PID 2780 wrote to memory of 2848	2780	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	83
PID 2780 wrote to memory of 2848	2780	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	83
PID 2780 wrote to memory of 2848	2780	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	83
PID 2848 wrote to memory of 992	2848	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	85
PID 2848 wrote to memory of 992	2848	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	85
PID 2848 wrote to memory of 992	2848	33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe	85
PID 992 wrote to memory of 1616	992	omsecor.exe	87
PID 992 wrote to memory of 1616	992	omsecor.exe	87
PID 992 wrote to memory of 1616	992	omsecor.exe	87
PID 992 wrote to memory of 1616	992	omsecor.exe	87
PID 992 wrote to memory of 1616	992	omsecor.exe	87
PID 1616 wrote to memory of 4536	1616	omsecor.exe	108
PID 1616 wrote to memory of 4536	1616	omsecor.exe	108
PID 1616 wrote to memory of 4536	1616	omsecor.exe	108
PID 4536 wrote to memory of 4268	4536	omsecor.exe	109
PID 4536 wrote to memory of 4268	4536	omsecor.exe	109
PID 4536 wrote to memory of 4268	4536	omsecor.exe	109
PID 4536 wrote to memory of 4268	4536	omsecor.exe	109
PID 4536 wrote to memory of 4268	4536	omsecor.exe	109
PID 4268 wrote to memory of 3808	4268	omsecor.exe	111
PID 4268 wrote to memory of 3808	4268	omsecor.exe	111
PID 4268 wrote to memory of 3808	4268	omsecor.exe	111
PID 3808 wrote to memory of 2248	3808	omsecor.exe	113
PID 3808 wrote to memory of 2248	3808	omsecor.exe	113
PID 3808 wrote to memory of 2248	3808	omsecor.exe	113
PID 3808 wrote to memory of 2248	3808	omsecor.exe	113
PID 3808 wrote to memory of 2248	3808	omsecor.exe	113

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:2780
- C:\Users\Admin\AppData\Local\Temp\33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe
  C:\Users\Admin\AppData\Local\Temp\33aef9a5f44190dc8c548e93355d80a10fb31093f8c2f3e541c6159bb492832b.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2848
- - 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:992
  - - 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:1616
    - - 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:4536
      - 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:4268
        
        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:3808
        
        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:2248
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3808 -s 268
        8⤵
        Program crash
        
        PID:2000
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4536 -s 292
        6⤵
        Program crash
        
        PID:548
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 992 -s 288
      4⤵
      Program crash
      PID:3868
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 300
  2⤵
  - Program crash
  PID:2124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2780 -ip 2780
1⤵
PID:4832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 992 -ip 992
1⤵
PID:3168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4536 -ip 4536
1⤵
PID:2152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 388 -p 3808 -ip 3808
1⤵
PID:2780

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

omsecor.exe

Path C:\Users\Admin\AppData\Roaming\omsecor.exe
Size 96KB
SHA256 f1b86bf2a16df8d46cb5f76577e529691b4da60461145fc34deecad54b10a68c
MD5 905d6ca602937728671429d30b640b45
SHA1 3b256cbda0c15566e093e399b19875d2a4e7f3e7
SHA512 765ca1606143d48ce500a84ed98b56d079b10be8ec86db6e23869401e351c538cb7cf37b84ce6b76fa5a745b2048af3ae2eda3957d22b432c085d59d462d956b
SSDEEP 1536:HnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:HGs8cd8eXlYairZYqMddH13L
MD5 SHA1 SHA512 SSDEEP

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omsecor.exe

Path C:\Users\Admin\AppData\Roaming\omsecor.exe
Size 96KB
SHA256 2eefc66a4a30098447bae464b94a2ec1a8069309a2ac724dfa6146b9a00d7e5b
MD5 e6582fd2a53dd0fd69a510709218210c
SHA1 9d0785aab0572c6ad1f2c4ac05964cc3fde5b90c
SHA512 2e06bff8aa7a850336edc1ef3ce4cf7e11a776643c6bfd2999fbc5a06b1bdfc54ad7521b04fc240664e58c5e7a3c7f8eae907d56bb739e1dceac181771a180ae
SSDEEP 1536:DnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:DGs8cd8eXlYairZYqMddH13L
MD5 SHA1 SHA512 SSDEEP

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omsecor.exe

Path C:\Windows\SysWOW64\omsecor.exe
Size 96KB
SHA256 1ea8fb6be8873fa33dd4c25fc9633d699f791f5e6efd299cbb58f3f4f0d60d19
MD5 906e70e95d01a10f36e9b150c705e151
SHA1 aed9c33827d8c511c76752ec9631a8dbe521444b
SHA512 59daf3ada31097aa6d13dba591b0c646345445d096fa66edf5ee23d3005100b50a5c109e49665021c610ac3c8e46d9a9605551f5b32c071f8fdfac4fff1a2848
SSDEEP 1536:InAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:IGs8cd8eXlYairZYqMddH13L
MD5 SHA1 SHA512 SSDEEP

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memory/992-11-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/1616-25-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/1616-15-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/1616-14-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/1616-19-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/1616-22-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/1616-26-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/1616-30-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2248-49-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2248-56-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2248-53-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2248-48-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2780-18-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/2780-0-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/2848-2-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2848-1-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2848-5-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2848-3-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/3808-44-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/4268-42-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/4268-37-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/4268-36-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/4536-51-0x0000000000400000-0x0000000000423000-memory.dmp

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memory/4536-31-0x0000000000400000-0x0000000000423000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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