neconyd | 61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c

Resubmissions

11-01-2025 14:05

250111-rd8exs1kcx 3

11-01-2025 13:50

250111-q5rqtazrft 10

Analysis

max time kernel
115s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 13:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe
Size

134KB
MD5

fea7ad8323b536783fd6bb0663652f59
SHA1

6bed3ae0094ee8fcdb5ce7efa07e1779cb29f9c0
SHA256

61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c
SHA512

53ab11e1ab5ddec15a48447a85183182e5021078d8f68fec2113f62278ba3e610fd5a415040c094fde1ca1c8f478e7aa53151ec1457035aac31281dcfe0b459b
SSDEEP

1536:ADfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCi1:2iRTeH0iqAW6J6f1tqF6dngNmaZCiaI

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
3032	omsecor.exe
4032	omsecor.exe
1720	omsecor.exe
4588	omsecor.exe
3420	omsecor.exe
4428	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 3332 set thread context of 4892	3332	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	83
PID 3032 set thread context of 4032	3032	omsecor.exe	88
PID 1720 set thread context of 4588	1720	omsecor.exe	108
PID 3420 set thread context of 4428	3420	omsecor.exe	111

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3788	3332	WerFault.exe	82
768	3032	WerFault.exe	86
2152	1720	WerFault.exe	107
2908	3420	WerFault.exe	110

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	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.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 3332 wrote to memory of 4892	3332	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	83
PID 3332 wrote to memory of 4892	3332	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	83
PID 3332 wrote to memory of 4892	3332	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	83
PID 3332 wrote to memory of 4892	3332	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	83
PID 3332 wrote to memory of 4892	3332	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	83
PID 4892 wrote to memory of 3032	4892	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	86
PID 4892 wrote to memory of 3032	4892	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	86
PID 4892 wrote to memory of 3032	4892	61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe	86
PID 3032 wrote to memory of 4032	3032	omsecor.exe	88
PID 3032 wrote to memory of 4032	3032	omsecor.exe	88
PID 3032 wrote to memory of 4032	3032	omsecor.exe	88
PID 3032 wrote to memory of 4032	3032	omsecor.exe	88
PID 3032 wrote to memory of 4032	3032	omsecor.exe	88
PID 4032 wrote to memory of 1720	4032	omsecor.exe	107
PID 4032 wrote to memory of 1720	4032	omsecor.exe	107
PID 4032 wrote to memory of 1720	4032	omsecor.exe	107
PID 1720 wrote to memory of 4588	1720	omsecor.exe	108
PID 1720 wrote to memory of 4588	1720	omsecor.exe	108
PID 1720 wrote to memory of 4588	1720	omsecor.exe	108
PID 1720 wrote to memory of 4588	1720	omsecor.exe	108
PID 1720 wrote to memory of 4588	1720	omsecor.exe	108
PID 4588 wrote to memory of 3420	4588	omsecor.exe	110
PID 4588 wrote to memory of 3420	4588	omsecor.exe	110
PID 4588 wrote to memory of 3420	4588	omsecor.exe	110
PID 3420 wrote to memory of 4428	3420	omsecor.exe	111
PID 3420 wrote to memory of 4428	3420	omsecor.exe	111
PID 3420 wrote to memory of 4428	3420	omsecor.exe	111
PID 3420 wrote to memory of 4428	3420	omsecor.exe	111
PID 3420 wrote to memory of 4428	3420	omsecor.exe	111

C:\Users\Admin\AppData\Local\Temp\61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe
"C:\Users\Admin\AppData\Local\Temp\61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3332
- C:\Users\Admin\AppData\Local\Temp\61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe
  C:\Users\Admin\AppData\Local\Temp\61cea9f34f15f7e1aa3ccea70c87910117128cf63ed841b94773f28c0bcadd3c.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4892
- - 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:3032
  - - 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:4032
    - - 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:1720
      - 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:4588
        
        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:3420
        
        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:4428
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3420 -s 268
        8⤵
        Program crash
        
        PID:2908
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 300
        6⤵
        Program crash
        
        PID:2152
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 288
      4⤵
      Program crash
      PID:768
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 288
  2⤵
  - Program crash
  PID:3788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3332 -ip 3332
1⤵
PID:3152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3032 -ip 3032
1⤵
PID:2632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1720 -ip 1720
1⤵
PID:4072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3420 -ip 3420
1⤵
PID:696

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

Loading Replay Monitor...

Downloads

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

Filesize
134KB

MD5
5e662f15a3a8a76bad0a2ba28ee5e322

SHA1
cf2b0f60b04d34b67be4cabb67b6ed0ecc6246ce

SHA256
f446c388080dfaff4d18a0bcca701326595793c0790474b093ee0642cdbce9cd

SHA512
e1b79f3c895773bc993e5746f8c2ab8f61a15f6891b8c0379badfdaaacac90c66aeabc717cd4c44f0bd416a65b03bd3eafa0b70a542e3851d000eede6e2c5115

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

Filesize
134KB

MD5
c1fe695375d2e048de9f2c2170b0273e

SHA1
74443b5ab666259067a70bb3a811dd63574a8875

SHA256
4aface4922107c79758b239da148407beedfb12280c4a661536a13b462d3ad2c

SHA512
68de2172caa59c09e0db3e0e4708a99780ef1ca5ea34e7c5badc746812e6ff29bf1ec06af0c08c8d91e22341f469cca99837bbff519212a0aa4fad07b51b4897

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

Filesize
134KB

MD5
b560737d03b8d619ad205b4d7557969a

SHA1
b8c26968801095141e78524adf4ecfc213c177ac

SHA256
9605e343971eba924bdd7b0a2d34e2e6701c4eb37c7b43589a9d17bc0aee5747

SHA512
594235d9bdb4bd6df3d8e493e8e8d47be8233e5983380c4898220043b8556c623558e2593cc3267c04089363a1fd6b92ab2274e36f6d7aa8e30e0db4807fd46e

Download Submit
memory/1720-49-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1720-31-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3032-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3332-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3332-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3420-43-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4032-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4032-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4032-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4032-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4032-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4032-28-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4032-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4428-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4428-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4428-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4588-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4588-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4588-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4892-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4892-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4892-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4892-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download