neconyd | b93f27f9f9a43ca52a30a2a285190dc5f48396fdc426f39c53c7a821d74051b3

Analysis

max time kernel
147s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
05/02/2025, 03:32

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General

Target

b93f27f9f9a43ca52a30a2a285190dc5f48396fdc426f39c53c7a821d74051b3.exe
Size

96KB
MD5

81ec813a24cad85f5b97baf9787fa631
SHA1

0a1a7d728bac16c4ba8803e3d215805a2939503e
SHA256

b93f27f9f9a43ca52a30a2a285190dc5f48396fdc426f39c53c7a821d74051b3
SHA512

a257a07ed481d60a5a075091b75c98ecbe01e9fe84efe7b9371bba73e1829d19a3afb29d26ca017183cd924674e08fec195e0e8417d3490edd0823c8f9aaa4b5
SSDEEP

1536:mnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:mGs8cd8eXlYairZYqMddH13L

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
952	omsecor.exe
2828	omsecor.exe
1252	omsecor.exe
2172	omsecor.exe
2760	omsecor.exe
3232	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 2756 set thread context of 3904	2756	b93f27f9f9a43ca52a30a2a285190dc5f48396fdc426f39c53c7a821d74051b3.exe	83
PID 952 set thread context of 2828	952	omsecor.exe	88
PID 1252 set thread context of 2172	1252	omsecor.exe	98
PID 2760 set thread context of 3232	2760	omsecor.exe	102

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3184	2756	WerFault.exe	82
1976	952	WerFault.exe	86
2000	1252	WerFault.exe	97
3544	2760	WerFault.exe	100

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	b93f27f9f9a43ca52a30a2a285190dc5f48396fdc426f39c53c7a821d74051b3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b93f27f9f9a43ca52a30a2a285190dc5f48396fdc426f39c53c7a821d74051b3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 3904	2756	b93f27f9f9a43ca52a30a2a285190dc5f48396fdc426f39c53c7a821d74051b3.exe	83
PID 2756 wrote to memory of 3904	2756	b93f27f9f9a43ca52a30a2a285190dc5f48396fdc426f39c53c7a821d74051b3.exe	83
PID 2756 wrote to memory of 3904	2756	b93f27f9f9a43ca52a30a2a285190dc5f48396fdc426f39c53c7a821d74051b3.exe	83
PID 2756 wrote to memory of 3904	2756	b93f27f9f9a43ca52a30a2a285190dc5f48396fdc426f39c53c7a821d74051b3.exe	83
PID 2756 wrote to memory of 3904	2756	b93f27f9f9a43ca52a30a2a285190dc5f48396fdc426f39c53c7a821d74051b3.exe	83
PID 3904 wrote to memory of 952	3904	b93f27f9f9a43ca52a30a2a285190dc5f48396fdc426f39c53c7a821d74051b3.exe	86
PID 3904 wrote to memory of 952	3904	b93f27f9f9a43ca52a30a2a285190dc5f48396fdc426f39c53c7a821d74051b3.exe	86
PID 3904 wrote to memory of 952	3904	b93f27f9f9a43ca52a30a2a285190dc5f48396fdc426f39c53c7a821d74051b3.exe	86
PID 952 wrote to memory of 2828	952	omsecor.exe	88
PID 952 wrote to memory of 2828	952	omsecor.exe	88
PID 952 wrote to memory of 2828	952	omsecor.exe	88
PID 952 wrote to memory of 2828	952	omsecor.exe	88
PID 952 wrote to memory of 2828	952	omsecor.exe	88
PID 2828 wrote to memory of 1252	2828	omsecor.exe	97
PID 2828 wrote to memory of 1252	2828	omsecor.exe	97
PID 2828 wrote to memory of 1252	2828	omsecor.exe	97
PID 1252 wrote to memory of 2172	1252	omsecor.exe	98
PID 1252 wrote to memory of 2172	1252	omsecor.exe	98
PID 1252 wrote to memory of 2172	1252	omsecor.exe	98
PID 1252 wrote to memory of 2172	1252	omsecor.exe	98
PID 1252 wrote to memory of 2172	1252	omsecor.exe	98
PID 2172 wrote to memory of 2760	2172	omsecor.exe	100
PID 2172 wrote to memory of 2760	2172	omsecor.exe	100
PID 2172 wrote to memory of 2760	2172	omsecor.exe	100
PID 2760 wrote to memory of 3232	2760	omsecor.exe	102
PID 2760 wrote to memory of 3232	2760	omsecor.exe	102
PID 2760 wrote to memory of 3232	2760	omsecor.exe	102
PID 2760 wrote to memory of 3232	2760	omsecor.exe	102
PID 2760 wrote to memory of 3232	2760	omsecor.exe	102

C:\Users\Admin\AppData\Local\Temp\b93f27f9f9a43ca52a30a2a285190dc5f48396fdc426f39c53c7a821d74051b3.exe
"C:\Users\Admin\AppData\Local\Temp\b93f27f9f9a43ca52a30a2a285190dc5f48396fdc426f39c53c7a821d74051b3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\b93f27f9f9a43ca52a30a2a285190dc5f48396fdc426f39c53c7a821d74051b3.exe
  C:\Users\Admin\AppData\Local\Temp\b93f27f9f9a43ca52a30a2a285190dc5f48396fdc426f39c53c7a821d74051b3.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3904
- - 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:952
  - - 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:2828
    - - 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:1252
      - 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:2172
        
        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:2760
        
        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:3232
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 256
        8⤵
        Program crash
        
        PID:3544
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1252 -s 292
        6⤵
        Program crash
        
        PID:2000
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 952 -s 288
      4⤵
      Program crash
      PID:1976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 288
  2⤵
  - Program crash
  PID:3184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2756 -ip 2756
1⤵
PID:2872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 952 -ip 952
1⤵
PID:2736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1252 -ip 1252
1⤵
PID:1648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2760 -ip 2760
1⤵
PID:4316

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
a0d3009039e3348404df0f46c9f9a4a4

SHA1
e51e8d5a68ec8e2e4323d933dfb54725632c204b

SHA256
0aa46de08152bfc6d1a9daaf300822138377cb920a3940f3683c0c64f5ba63a3

SHA512
6b2dce891c399b3ea33e1cc25acacfe2047e798b9f389653960c7bc793fbf4172f90df1a834d875e78d260b1b718e9a82bc625881f7e5d0544e92aa3d6a00a52

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

Filesize
96KB

MD5
b30ed9cda57812d61a9088c0d1328b2f

SHA1
d65d2fd9af0c7b86851105e58e62780b5cc88e3a

SHA256
3430b32c66561d387786d39ba967e508329450392d8569ff0a6bd90e845ce47e

SHA512
8c563ad59a29c798f3f11c7102a4c3ca328efa4cd5ee43fc1142ce24c76ca59a72ec517dec36d30ec8ce64249e0b53a4434cbe1a20d90776088095a9d11c28c0

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

Filesize
96KB

MD5
63e844ec0eecd8cc5abfbae848532659

SHA1
33cf9b08004cf818ae9583b410a4581927e7514d

SHA256
e369fee082ccc59f5f4a8f85d7ba8fdac50ab40b9adfa81c5c33363e3b679df5

SHA512
f403d2fb1a33cd64bc9ef28455512e27acc7e5757ca4571f5af78ed445d9d19fe464a3f7e0180f89f32fb6baeb7c759b8f0d8092b4e2719ed6a22ebb33346746

Download Submit
memory/952-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/952-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1252-50-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1252-30-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2172-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2172-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2172-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2756-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2756-16-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2760-43-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2828-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2828-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2828-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2828-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2828-29-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2828-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2828-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3232-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3232-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3232-52-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3232-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3904-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3904-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3904-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3904-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download