neconyd | c391e11cbfc87e81cca19d260339ea7aab4fcbd65627049655a80ca58e75bc19

Analysis

max time kernel
116s
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
20-01-2025 15:12

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General

Target

c391e11cbfc87e81cca19d260339ea7aab4fcbd65627049655a80ca58e75bc19N.exe
Size

96KB
MD5

727d467bdd8b079da7d3d114a32f64a0
SHA1

a7fcc4f0b24e119b9b22817a3ed7ba8d9ec03435
SHA256

c391e11cbfc87e81cca19d260339ea7aab4fcbd65627049655a80ca58e75bc19
SHA512

5b2e2a8e613da625a32efd01a5e4c4b7ae014c30bcb4601d84b2d57bfa84dc04c8af08cb6129a5b94876287e242ed178d03619529c35e46b125c6ae9138548ec
SSDEEP

1536:tnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:tGs8cd8eXlYairZYqMddH13L

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
3772	omsecor.exe
728	omsecor.exe
1808	omsecor.exe
4448	omsecor.exe
4692	omsecor.exe
1804	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 5112 set thread context of 4332	5112	c391e11cbfc87e81cca19d260339ea7aab4fcbd65627049655a80ca58e75bc19N.exe	87
PID 3772 set thread context of 728	3772	omsecor.exe	92
PID 1808 set thread context of 4448	1808	omsecor.exe	113
PID 4692 set thread context of 1804	4692	omsecor.exe	117

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4212	5112	WerFault.exe	86
2724	3772	WerFault.exe	89
1392	1808	WerFault.exe	112
4576	4692	WerFault.exe	115

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	c391e11cbfc87e81cca19d260339ea7aab4fcbd65627049655a80ca58e75bc19N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c391e11cbfc87e81cca19d260339ea7aab4fcbd65627049655a80ca58e75bc19N.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

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 4332	5112	c391e11cbfc87e81cca19d260339ea7aab4fcbd65627049655a80ca58e75bc19N.exe	87
PID 5112 wrote to memory of 4332	5112	c391e11cbfc87e81cca19d260339ea7aab4fcbd65627049655a80ca58e75bc19N.exe	87
PID 5112 wrote to memory of 4332	5112	c391e11cbfc87e81cca19d260339ea7aab4fcbd65627049655a80ca58e75bc19N.exe	87
PID 5112 wrote to memory of 4332	5112	c391e11cbfc87e81cca19d260339ea7aab4fcbd65627049655a80ca58e75bc19N.exe	87
PID 5112 wrote to memory of 4332	5112	c391e11cbfc87e81cca19d260339ea7aab4fcbd65627049655a80ca58e75bc19N.exe	87
PID 4332 wrote to memory of 3772	4332	c391e11cbfc87e81cca19d260339ea7aab4fcbd65627049655a80ca58e75bc19N.exe	89
PID 4332 wrote to memory of 3772	4332	c391e11cbfc87e81cca19d260339ea7aab4fcbd65627049655a80ca58e75bc19N.exe	89
PID 4332 wrote to memory of 3772	4332	c391e11cbfc87e81cca19d260339ea7aab4fcbd65627049655a80ca58e75bc19N.exe	89
PID 3772 wrote to memory of 728	3772	omsecor.exe	92
PID 3772 wrote to memory of 728	3772	omsecor.exe	92
PID 3772 wrote to memory of 728	3772	omsecor.exe	92
PID 3772 wrote to memory of 728	3772	omsecor.exe	92
PID 3772 wrote to memory of 728	3772	omsecor.exe	92
PID 728 wrote to memory of 1808	728	omsecor.exe	112
PID 728 wrote to memory of 1808	728	omsecor.exe	112
PID 728 wrote to memory of 1808	728	omsecor.exe	112
PID 1808 wrote to memory of 4448	1808	omsecor.exe	113
PID 1808 wrote to memory of 4448	1808	omsecor.exe	113
PID 1808 wrote to memory of 4448	1808	omsecor.exe	113
PID 1808 wrote to memory of 4448	1808	omsecor.exe	113
PID 1808 wrote to memory of 4448	1808	omsecor.exe	113
PID 4448 wrote to memory of 4692	4448	omsecor.exe	115
PID 4448 wrote to memory of 4692	4448	omsecor.exe	115
PID 4448 wrote to memory of 4692	4448	omsecor.exe	115
PID 4692 wrote to memory of 1804	4692	omsecor.exe	117
PID 4692 wrote to memory of 1804	4692	omsecor.exe	117
PID 4692 wrote to memory of 1804	4692	omsecor.exe	117
PID 4692 wrote to memory of 1804	4692	omsecor.exe	117
PID 4692 wrote to memory of 1804	4692	omsecor.exe	117

C:\Users\Admin\AppData\Local\Temp\c391e11cbfc87e81cca19d260339ea7aab4fcbd65627049655a80ca58e75bc19N.exe
"C:\Users\Admin\AppData\Local\Temp\c391e11cbfc87e81cca19d260339ea7aab4fcbd65627049655a80ca58e75bc19N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5112
- C:\Users\Admin\AppData\Local\Temp\c391e11cbfc87e81cca19d260339ea7aab4fcbd65627049655a80ca58e75bc19N.exe
  C:\Users\Admin\AppData\Local\Temp\c391e11cbfc87e81cca19d260339ea7aab4fcbd65627049655a80ca58e75bc19N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4332
- - 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:3772
  - - 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:728
    - - 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:1808
      - 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:4448
        
        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:4692
        
        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:1804
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4692 -s 240
        8⤵
        Program crash
        
        PID:4576
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1808 -s 292
        6⤵
        Program crash
        
        PID:1392
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3772 -s 300
      4⤵
      Program crash
      PID:2724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 300
  2⤵
  - Program crash
  PID:4212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5112 -ip 5112
1⤵
PID:4180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3772 -ip 3772
1⤵
PID:2540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1808 -ip 1808
1⤵
PID:2540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4692 -ip 4692
1⤵
PID:3016

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
c8b5ecc787e660ea8758b2f448942431

SHA1
c1a7e6c95a091b5221fb33fb64da64c249e88aa9

SHA256
69d9a957b8197b54e8fa98a1b71a4a4c94164ac6e7bc4e06945a9e43de4e7712

SHA512
e27942a4f05fb8d9f0cd4b31eee5c55c18dc05a9ab08a0a8c22c0d1751acd232bbfcd72dd68c0cc2d5e8076e4d70026879194397baf8b1475be02d46db399682

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

Filesize
96KB

MD5
d0ad9fb677daa5735994745e533950c1

SHA1
d466df3afad595f10dbac1176484081b661115b3

SHA256
8bf742aa1c5185b1faade0bda9b852f4c3f7e51e96bac0cc2261b25298fca8ef

SHA512
ac55606ccea098bd556c7d1636621a45ea22ae454c28e12ff8f802b2cd64b3e39531efbcb08a75b04477bab8a8353f51c68b14a8239115a4ddde27a6d90511da

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

Filesize
96KB

MD5
0d5beb482aad559a289d59055c95e900

SHA1
89a65ff9c57fc3cde4675768d894470eb8aa3a16

SHA256
9a3d2071d3280d54d205092a057392777f12a396ecac2a936d6838fdab71a3f5

SHA512
d01aa84fc9307a994693540508cf48908d19e9034e82e2321ef548c850988b4ebef74e5895cd3b3c13910867787dbdf1625c99df60c4e75617c7044d41b2d668

Download Submit
memory/728-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/728-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/728-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/728-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/728-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/728-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/728-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1804-46-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1804-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1804-51-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1808-30-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1808-49-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3772-9-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3772-15-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4332-7-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4332-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4332-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4332-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4448-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4448-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4448-34-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4692-41-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/5112-16-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/5112-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download