neconyd | 0caa9c5b37c8bfa49576d4e3e9d739650f9f79b51519bb9840462bcb142430be

Analysis

max time kernel
115s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 14:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

0caa9c5b37c8bfa49576d4e3e9d739650f9f79b51519bb9840462bcb142430beN.exe
Size

96KB
MD5

b9173234f4b162cbf72c6f313eb81810
SHA1

656b03c93268845cec34e5eeb82076163a166673
SHA256

0caa9c5b37c8bfa49576d4e3e9d739650f9f79b51519bb9840462bcb142430be
SHA512

858e49e6cf15c7675f620a2fd2d54bc84f33d635de8569fa9af810e7a2169c393a88e9a1548b285a118b269c7752214c6bc0411193797271b8badcb2d81390b0
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
4032	omsecor.exe
3816	omsecor.exe
1636	omsecor.exe
1708	omsecor.exe
3152	omsecor.exe
3720	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 4324 set thread context of 4932	4324	0caa9c5b37c8bfa49576d4e3e9d739650f9f79b51519bb9840462bcb142430beN.exe	84
PID 4032 set thread context of 3816	4032	omsecor.exe	89
PID 1636 set thread context of 1708	1636	omsecor.exe	102
PID 3152 set thread context of 3720	3152	omsecor.exe	106

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1664	4324	WerFault.exe	83
680	4032	WerFault.exe	87
4356	1636	WerFault.exe	101
4924	3152	WerFault.exe	104

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	0caa9c5b37c8bfa49576d4e3e9d739650f9f79b51519bb9840462bcb142430beN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0caa9c5b37c8bfa49576d4e3e9d739650f9f79b51519bb9840462bcb142430beN.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

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4324 wrote to memory of 4932	4324	0caa9c5b37c8bfa49576d4e3e9d739650f9f79b51519bb9840462bcb142430beN.exe	84
PID 4324 wrote to memory of 4932	4324	0caa9c5b37c8bfa49576d4e3e9d739650f9f79b51519bb9840462bcb142430beN.exe	84
PID 4324 wrote to memory of 4932	4324	0caa9c5b37c8bfa49576d4e3e9d739650f9f79b51519bb9840462bcb142430beN.exe	84
PID 4324 wrote to memory of 4932	4324	0caa9c5b37c8bfa49576d4e3e9d739650f9f79b51519bb9840462bcb142430beN.exe	84
PID 4324 wrote to memory of 4932	4324	0caa9c5b37c8bfa49576d4e3e9d739650f9f79b51519bb9840462bcb142430beN.exe	84
PID 4932 wrote to memory of 4032	4932	0caa9c5b37c8bfa49576d4e3e9d739650f9f79b51519bb9840462bcb142430beN.exe	87
PID 4932 wrote to memory of 4032	4932	0caa9c5b37c8bfa49576d4e3e9d739650f9f79b51519bb9840462bcb142430beN.exe	87
PID 4932 wrote to memory of 4032	4932	0caa9c5b37c8bfa49576d4e3e9d739650f9f79b51519bb9840462bcb142430beN.exe	87
PID 4032 wrote to memory of 3816	4032	omsecor.exe	89
PID 4032 wrote to memory of 3816	4032	omsecor.exe	89
PID 4032 wrote to memory of 3816	4032	omsecor.exe	89
PID 4032 wrote to memory of 3816	4032	omsecor.exe	89
PID 4032 wrote to memory of 3816	4032	omsecor.exe	89
PID 3816 wrote to memory of 1636	3816	omsecor.exe	101
PID 3816 wrote to memory of 1636	3816	omsecor.exe	101
PID 3816 wrote to memory of 1636	3816	omsecor.exe	101
PID 1636 wrote to memory of 1708	1636	omsecor.exe	102
PID 1636 wrote to memory of 1708	1636	omsecor.exe	102
PID 1636 wrote to memory of 1708	1636	omsecor.exe	102
PID 1636 wrote to memory of 1708	1636	omsecor.exe	102
PID 1636 wrote to memory of 1708	1636	omsecor.exe	102
PID 1708 wrote to memory of 3152	1708	omsecor.exe	104
PID 1708 wrote to memory of 3152	1708	omsecor.exe	104
PID 1708 wrote to memory of 3152	1708	omsecor.exe	104
PID 3152 wrote to memory of 3720	3152	omsecor.exe	106
PID 3152 wrote to memory of 3720	3152	omsecor.exe	106
PID 3152 wrote to memory of 3720	3152	omsecor.exe	106
PID 3152 wrote to memory of 3720	3152	omsecor.exe	106
PID 3152 wrote to memory of 3720	3152	omsecor.exe	106

C:\Users\Admin\AppData\Local\Temp\0caa9c5b37c8bfa49576d4e3e9d739650f9f79b51519bb9840462bcb142430beN.exe
"C:\Users\Admin\AppData\Local\Temp\0caa9c5b37c8bfa49576d4e3e9d739650f9f79b51519bb9840462bcb142430beN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4324
- C:\Users\Admin\AppData\Local\Temp\0caa9c5b37c8bfa49576d4e3e9d739650f9f79b51519bb9840462bcb142430beN.exe
  C:\Users\Admin\AppData\Local\Temp\0caa9c5b37c8bfa49576d4e3e9d739650f9f79b51519bb9840462bcb142430beN.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4932
- - 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:4032
  - - 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:3816
    - - 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:1636
      - 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:1708
        
        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:3152
        
        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:3720
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3152 -s 252
        8⤵
        Program crash
        
        PID:4924
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 292
        6⤵
        Program crash
        
        PID:4356
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 288
      4⤵
      Program crash
      PID:680
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 288
  2⤵
  - Program crash
  PID:1664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4324 -ip 4324
1⤵
PID:3980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4032 -ip 4032
1⤵
PID:3744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1636 -ip 1636
1⤵
PID:440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3152 -ip 3152
1⤵
PID:4856

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
96KB

MD5
5fb8fa8ba887910b943c979a5af1dace

SHA1
3a7e00f66fa703d78d61b67dcd10878ed20d6451

SHA256
b2450179b91ad86bf12c4c83c5175b74e4f7d6eb1d225c443b05f4f6c4fbb207

SHA512
634be731e589cf11f084a5994c27a18e62b643015c87ca3ef99df100934a79b4fa1e55361c4e95f7becb4ce720de56d82ac4933cb82fd14d50a525ab65a92361

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

Filesize
96KB

MD5
3c92b3476c9e9d161417b888686c1300

SHA1
d245dc0c6f2ca4053ec01f942546f5b7f30ca1e9

SHA256
fca75f65d917071448bcba065c182e59f4f4c618bb8f74aa09114b9998960d47

SHA512
5aff3e9b26d83c085e6e5870e0b5b41e2c53998c7344eacc5c83426b81ce3b3611c40a9db7e2f9b377bbb38fab4674f9ec391dc4484eaa4dbb6b792de1aa9c98

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

Filesize
96KB

MD5
d2cd34cf2d6813b1bbf5c7c53c9338b9

SHA1
13d0242c392f5cfb1244e12dcc5549f8958422f2

SHA256
c661dd5e14f5d7753d28bd33a0f434a28593d9ad38114acb1f2404f6c81e9b4e

SHA512
9d66d5d55bce80426c5c48c6443e86804ca5ac3e99270b48cc2405e4ddbd0f8ffea40a670d289b5438915ae0452e379213b7fc7082cf3e90cb5c303ff5c939bb

Download Submit
memory/1636-51-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1636-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1708-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1708-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1708-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3152-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3720-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3720-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3720-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3816-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3816-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3816-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3816-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3816-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3816-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3816-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4032-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4032-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4324-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4324-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4932-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4932-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4932-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4932-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download