neconyd | 4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa

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
19-01-2025 23:11

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General

Target

4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe
Size

96KB
MD5

2d7e939287535612dbb41a733fcfc732
SHA1

bc8ad3ba3f34ff2f083faa7e5cff2c9980b39715
SHA256

4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa
SHA512

46d9912255c2a67aa75eecbae9c5cf05980ecc69f61c386bb89789b5fe750fcf03f6c646b92fce60aefce4dc09c326c6ebd72809c8b71896099a991182f7912b
SSDEEP

1536:qnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxB:qGs8cd8eXlYairZYqMddH13B

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
1476	omsecor.exe
1344	omsecor.exe
2012	omsecor.exe
1528	omsecor.exe
1336	omsecor.exe
4680	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 4648 set thread context of 3572	4648	4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe	82
PID 1476 set thread context of 1344	1476	omsecor.exe	87
PID 2012 set thread context of 1528	2012	omsecor.exe	100
PID 1336 set thread context of 4680	1336	omsecor.exe	103

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1788	4648	WerFault.exe	81
2776	1476	WerFault.exe	85
3052	2012	WerFault.exe	99
1508	1336	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	4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.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	4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 3572	4648	4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe	82
PID 4648 wrote to memory of 3572	4648	4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe	82
PID 4648 wrote to memory of 3572	4648	4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe	82
PID 4648 wrote to memory of 3572	4648	4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe	82
PID 4648 wrote to memory of 3572	4648	4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe	82
PID 3572 wrote to memory of 1476	3572	4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe	85
PID 3572 wrote to memory of 1476	3572	4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe	85
PID 3572 wrote to memory of 1476	3572	4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe	85
PID 1476 wrote to memory of 1344	1476	omsecor.exe	87
PID 1476 wrote to memory of 1344	1476	omsecor.exe	87
PID 1476 wrote to memory of 1344	1476	omsecor.exe	87
PID 1476 wrote to memory of 1344	1476	omsecor.exe	87
PID 1476 wrote to memory of 1344	1476	omsecor.exe	87
PID 1344 wrote to memory of 2012	1344	omsecor.exe	99
PID 1344 wrote to memory of 2012	1344	omsecor.exe	99
PID 1344 wrote to memory of 2012	1344	omsecor.exe	99
PID 2012 wrote to memory of 1528	2012	omsecor.exe	100
PID 2012 wrote to memory of 1528	2012	omsecor.exe	100
PID 2012 wrote to memory of 1528	2012	omsecor.exe	100
PID 2012 wrote to memory of 1528	2012	omsecor.exe	100
PID 2012 wrote to memory of 1528	2012	omsecor.exe	100
PID 1528 wrote to memory of 1336	1528	omsecor.exe	102
PID 1528 wrote to memory of 1336	1528	omsecor.exe	102
PID 1528 wrote to memory of 1336	1528	omsecor.exe	102
PID 1336 wrote to memory of 4680	1336	omsecor.exe	103
PID 1336 wrote to memory of 4680	1336	omsecor.exe	103
PID 1336 wrote to memory of 4680	1336	omsecor.exe	103
PID 1336 wrote to memory of 4680	1336	omsecor.exe	103
PID 1336 wrote to memory of 4680	1336	omsecor.exe	103

C:\Users\Admin\AppData\Local\Temp\4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe
"C:\Users\Admin\AppData\Local\Temp\4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4648
- C:\Users\Admin\AppData\Local\Temp\4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe
  C:\Users\Admin\AppData\Local\Temp\4c41d619b25e431c35686261990c9c8e90952128c9c0f46dc86c123c043fc1fa.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3572
- - 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:1476
  - - 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:1344
    - - 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:2012
      - 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:1528
        
        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:1336
        
        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:4680
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1336 -s 256
        8⤵
        Program crash
        
        PID:1508
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 292
        6⤵
        Program crash
        
        PID:3052
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 288
      4⤵
      Program crash
      PID:2776
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4648 -s 288
  2⤵
  - Program crash
  PID:1788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4648 -ip 4648
1⤵
PID:4872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1476 -ip 1476
1⤵
PID:2392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2012 -ip 2012
1⤵
PID:1408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1336 -ip 1336
1⤵
PID:1848

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
8574a4674586749c96faff190cd22c6d

SHA1
c0534a0e8cc89f4ddefc0a2bf582afa595cd93e5

SHA256
134a9758272c4ed1df21140f20ea5f0db4d5f564ff0aff5d7d6bf047b44c33f7

SHA512
089f98706bbc8e1374780f01cb4c701caf6e4e8c5d47cf437a4582c332a5070cd321cf9e333c3ce067c755298177f6562bd570ac2e58f7584963e9abf1556ac8

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

Filesize
96KB

MD5
fedc7ba54b918fa7934c8c2a70966d16

SHA1
18f8d25f91d2e719b2b4c4fd3b716230128f5792

SHA256
817ab325945f2b62308787dbc2a4147321af0805403ca893a304e3d0a682014e

SHA512
30513d5cbd32db71ebb48cb73c4e0f01384f05e63dbaa988e209f0d2ad406f5a26aa7919f28f1e674efdd95cb61fdb6f75c6d684a80623694f02ede25ba62cf8

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

Filesize
96KB

MD5
e363a31493e4e644b80042fdcf5371a2

SHA1
ae386051fdfbd2e18b20917c0dc3d8e60bcd551e

SHA256
fe1d1ba4673e92d9800711f3a287d5a25329883b8348ccb8ee118c46f2deae69

SHA512
2e40287f60fe78bfe1d647b9f8af955b6f74d3ff708801d22a9499b8189f976a1b245c1ce82aead95856d858dc56f3a995199525f8cc9f08ab6cfefcb97ead16

Download Submit
memory/1336-53-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1336-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1344-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1344-33-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1344-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1344-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1344-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1344-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1344-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1476-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1476-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1528-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1528-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1528-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2012-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2012-34-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3572-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3572-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3572-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3572-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4648-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4648-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4680-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4680-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4680-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download