neconyd | e7fad725bec06f485ee14fcb4a6d17cf079e1ed73a96d2d25fb7d43163e3b92a

Analysis

max time kernel
146s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2025 14:01

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General

Target

e7fad725bec06f485ee14fcb4a6d17cf079e1ed73a96d2d25fb7d43163e3b92a.exe
Size

96KB
MD5

4da9f956e1aaf071e35e95cc5bb6e635
SHA1

6f7054da8b714c013e7664bed814d64a0bb7f77c
SHA256

e7fad725bec06f485ee14fcb4a6d17cf079e1ed73a96d2d25fb7d43163e3b92a
SHA512

8cc9b428c0a646d5a7705622fc709acec0d38a8d17c711f2ba8ed838908085948f7049f1a574d7dc22babec9644354d20c26b3f74603221242e330e144defa8d
SSDEEP

1536:5nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxz:5Gs8cd8eXlYairZYqMddH13z

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
1608	omsecor.exe
1260	omsecor.exe
2704	omsecor.exe
4340	omsecor.exe
2816	omsecor.exe
1380	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 640 set thread context of 3132	640	e7fad725bec06f485ee14fcb4a6d17cf079e1ed73a96d2d25fb7d43163e3b92a.exe	82
PID 1608 set thread context of 1260	1608	omsecor.exe	86
PID 2704 set thread context of 4340	2704	omsecor.exe	100
PID 2816 set thread context of 1380	2816	omsecor.exe	104

Program crash 4 IoCs

pid	pid_target	Process	procid_target
32	640	WerFault.exe	81
4872	1608	WerFault.exe	84
3472	2704	WerFault.exe	99
4776	2816	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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e7fad725bec06f485ee14fcb4a6d17cf079e1ed73a96d2d25fb7d43163e3b92a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e7fad725bec06f485ee14fcb4a6d17cf079e1ed73a96d2d25fb7d43163e3b92a.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 29 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 3132	640	e7fad725bec06f485ee14fcb4a6d17cf079e1ed73a96d2d25fb7d43163e3b92a.exe	82
PID 640 wrote to memory of 3132	640	e7fad725bec06f485ee14fcb4a6d17cf079e1ed73a96d2d25fb7d43163e3b92a.exe	82
PID 640 wrote to memory of 3132	640	e7fad725bec06f485ee14fcb4a6d17cf079e1ed73a96d2d25fb7d43163e3b92a.exe	82
PID 640 wrote to memory of 3132	640	e7fad725bec06f485ee14fcb4a6d17cf079e1ed73a96d2d25fb7d43163e3b92a.exe	82
PID 640 wrote to memory of 3132	640	e7fad725bec06f485ee14fcb4a6d17cf079e1ed73a96d2d25fb7d43163e3b92a.exe	82
PID 3132 wrote to memory of 1608	3132	e7fad725bec06f485ee14fcb4a6d17cf079e1ed73a96d2d25fb7d43163e3b92a.exe	84
PID 3132 wrote to memory of 1608	3132	e7fad725bec06f485ee14fcb4a6d17cf079e1ed73a96d2d25fb7d43163e3b92a.exe	84
PID 3132 wrote to memory of 1608	3132	e7fad725bec06f485ee14fcb4a6d17cf079e1ed73a96d2d25fb7d43163e3b92a.exe	84
PID 1608 wrote to memory of 1260	1608	omsecor.exe	86
PID 1608 wrote to memory of 1260	1608	omsecor.exe	86
PID 1608 wrote to memory of 1260	1608	omsecor.exe	86
PID 1608 wrote to memory of 1260	1608	omsecor.exe	86
PID 1608 wrote to memory of 1260	1608	omsecor.exe	86
PID 1260 wrote to memory of 2704	1260	omsecor.exe	99
PID 1260 wrote to memory of 2704	1260	omsecor.exe	99
PID 1260 wrote to memory of 2704	1260	omsecor.exe	99
PID 2704 wrote to memory of 4340	2704	omsecor.exe	100
PID 2704 wrote to memory of 4340	2704	omsecor.exe	100
PID 2704 wrote to memory of 4340	2704	omsecor.exe	100
PID 2704 wrote to memory of 4340	2704	omsecor.exe	100
PID 2704 wrote to memory of 4340	2704	omsecor.exe	100
PID 4340 wrote to memory of 2816	4340	omsecor.exe	102
PID 4340 wrote to memory of 2816	4340	omsecor.exe	102
PID 4340 wrote to memory of 2816	4340	omsecor.exe	102
PID 2816 wrote to memory of 1380	2816	omsecor.exe	104
PID 2816 wrote to memory of 1380	2816	omsecor.exe	104
PID 2816 wrote to memory of 1380	2816	omsecor.exe	104
PID 2816 wrote to memory of 1380	2816	omsecor.exe	104
PID 2816 wrote to memory of 1380	2816	omsecor.exe	104

C:\Users\Admin\AppData\Local\Temp\e7fad725bec06f485ee14fcb4a6d17cf079e1ed73a96d2d25fb7d43163e3b92a.exe
"C:\Users\Admin\AppData\Local\Temp\e7fad725bec06f485ee14fcb4a6d17cf079e1ed73a96d2d25fb7d43163e3b92a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:640
- C:\Users\Admin\AppData\Local\Temp\e7fad725bec06f485ee14fcb4a6d17cf079e1ed73a96d2d25fb7d43163e3b92a.exe
  C:\Users\Admin\AppData\Local\Temp\e7fad725bec06f485ee14fcb4a6d17cf079e1ed73a96d2d25fb7d43163e3b92a.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3132
- - 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:1608
  - - 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:1260
    - - 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:2704
      - 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:4340
        
        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:2816
        
        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:1380
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 260
        8⤵
        Program crash
        
        PID:4776
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 292
        6⤵
        Program crash
        
        PID:3472
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 288
      4⤵
      Program crash
      PID:4872
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 300
  2⤵
  - Program crash
  PID:32

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 640 -ip 640
1⤵
PID:1844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1608 -ip 1608
1⤵
PID:3696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2704 -ip 2704
1⤵
PID:3444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2816 -ip 2816
1⤵
PID:3936

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
50198af7976c12fa881a5a6ddcb47396

SHA1
83adf058d1cf265078b04797ad5f2685e8cba41a

SHA256
515e44aea78735f64894e7fac214291b9d4e068ab14181f6a2dde6423e75e008

SHA512
2c1c4d21ce6ab19e8350c48eac23248f28fd67ed9559bb8a7a9ccecc257e26a183d94511d9bf2b7da579a784be5952eac9651f01c958c4a7177af131f1cb328e

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

Filesize
96KB

MD5
8449443b326f346db750b775da0c90be

SHA1
377d69c62fcb5ea3b5ca289f4daa508806a5ee29

SHA256
f2b1eee8e91db5f8273b135e248af806be89a4081f4d2303906b15ed23a9e6ba

SHA512
41508e1d356eb5f22d237424fb06e20fe86d6d8e5d4638b813055d0c9a02b7296f253a89e2f70895ef78da4da9572c05c4be40db4655a3c968b422417dcab080

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

Filesize
96KB

MD5
e58ac1f919facff3659b3a1e9c2891c7

SHA1
71af14ecbfe2c514c66d28ea41a45a8c4fab2791

SHA256
8b70dcae242a14ce0594614f4dd761f14310c5626d41d5d597285a1f700282f7

SHA512
5cb2df066abb996556fe9e88cd815835466a122fadfbbe1671cc329cd593777adb638bb16bc3ce761f033787a18e6a13eb659201b930b1e18b0230c08d46d10d

Download Submit
memory/640-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/640-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1260-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1260-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1260-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1260-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1260-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1260-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1260-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1380-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1380-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1380-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1380-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1608-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1608-10-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2704-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2704-51-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2816-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2816-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3132-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3132-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3132-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3132-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4340-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4340-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4340-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download