neconyd | 4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-01-2025 09:05

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General

Target

4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe
Size

96KB
MD5

c76ae9d599a9785e771abf4f29ceecfb
SHA1

5081943f7567b15af6bd451e27ce37b46b2b3908
SHA256

4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47
SHA512

0e747cf070e24c6d8a509079f7dd33c3ec9175a6c3df13e038a30a7b90daf56c3b40497b1f0ec0970818ba56d76bf9df65c5ce86f0eeb71eb6514b1b41c31ad7
SSDEEP

1536:jnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxx:jGs8cd8eXlYairZYqMddH13x

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
2728	omsecor.exe
2516	omsecor.exe
772	omsecor.exe
1452	omsecor.exe
1392	omsecor.exe
2848	omsecor.exe

Loads dropped DLL 7 IoCs

pid	Process
3064	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe
3064	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe
2728	omsecor.exe
2516	omsecor.exe
2516	omsecor.exe
1452	omsecor.exe
1452	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 3040 set thread context of 3064	3040	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	30
PID 2728 set thread context of 2516	2728	omsecor.exe	32
PID 772 set thread context of 1452	772	omsecor.exe	35
PID 1392 set thread context of 2848	1392	omsecor.exe	37

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	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.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	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 3064	3040	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	30
PID 3040 wrote to memory of 3064	3040	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	30
PID 3040 wrote to memory of 3064	3040	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	30
PID 3040 wrote to memory of 3064	3040	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	30
PID 3040 wrote to memory of 3064	3040	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	30
PID 3040 wrote to memory of 3064	3040	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	30
PID 3064 wrote to memory of 2728	3064	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	31
PID 3064 wrote to memory of 2728	3064	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	31
PID 3064 wrote to memory of 2728	3064	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	31
PID 3064 wrote to memory of 2728	3064	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	31
PID 2728 wrote to memory of 2516	2728	omsecor.exe	32
PID 2728 wrote to memory of 2516	2728	omsecor.exe	32
PID 2728 wrote to memory of 2516	2728	omsecor.exe	32
PID 2728 wrote to memory of 2516	2728	omsecor.exe	32
PID 2728 wrote to memory of 2516	2728	omsecor.exe	32
PID 2728 wrote to memory of 2516	2728	omsecor.exe	32
PID 2516 wrote to memory of 772	2516	omsecor.exe	34
PID 2516 wrote to memory of 772	2516	omsecor.exe	34
PID 2516 wrote to memory of 772	2516	omsecor.exe	34
PID 2516 wrote to memory of 772	2516	omsecor.exe	34
PID 772 wrote to memory of 1452	772	omsecor.exe	35
PID 772 wrote to memory of 1452	772	omsecor.exe	35
PID 772 wrote to memory of 1452	772	omsecor.exe	35
PID 772 wrote to memory of 1452	772	omsecor.exe	35
PID 772 wrote to memory of 1452	772	omsecor.exe	35
PID 772 wrote to memory of 1452	772	omsecor.exe	35
PID 1452 wrote to memory of 1392	1452	omsecor.exe	36
PID 1452 wrote to memory of 1392	1452	omsecor.exe	36
PID 1452 wrote to memory of 1392	1452	omsecor.exe	36
PID 1452 wrote to memory of 1392	1452	omsecor.exe	36
PID 1392 wrote to memory of 2848	1392	omsecor.exe	37
PID 1392 wrote to memory of 2848	1392	omsecor.exe	37
PID 1392 wrote to memory of 2848	1392	omsecor.exe	37
PID 1392 wrote to memory of 2848	1392	omsecor.exe	37
PID 1392 wrote to memory of 2848	1392	omsecor.exe	37
PID 1392 wrote to memory of 2848	1392	omsecor.exe	37

C:\Users\Admin\AppData\Local\Temp\4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe
"C:\Users\Admin\AppData\Local\Temp\4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Users\Admin\AppData\Local\Temp\4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe
  C:\Users\Admin\AppData\Local\Temp\4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3064
- - C:\Users\Admin\AppData\Roaming\omsecor.exe
    C:\Users\Admin\AppData\Roaming\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2728
  - - C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2516
    - - 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:772
      - C:\Windows\SysWOW64\omsecor.exe
        
        C:\Windows\SysWOW64\omsecor.exe
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1452
        
        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:1392
        
        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:2848

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
ff0a66d0ab28d44b16d0f46ac6d21dce

SHA1
6fce2a89f4e37ba34a24902f12450ef1a08c81bf

SHA256
7f793f841df69ae717b8d3693bfcc430fd9ed036b0adf08ad80b2cfe5ab0f081

SHA512
ec63375dc7584e774f5b95b25a12ecae1970126579e98b8f82ffded598edb06f83d76312658b79d72a7e7cd9ff0d68427c9ab7f8a7301ad33925c99d7c96d1c9

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

Filesize
96KB

MD5
f644124b513b78fe9ff4fd48ea666b14

SHA1
ac6d724c78dfa8081022b721e4ab6a344fe993a4

SHA256
555b6fead09612e528e31d1f9fa059ab9d6aedc003de6339f0ed365821b8c1e3

SHA512
d20f36d9c6b220394eac98f84008c1d97f8ef957edc384b00f6bff295f4660d03c0cf9831632380e34f9068605803043bdc63265344ffc21994686bdb022c896

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
96KB

MD5
74b91c69a7f07652cc1d9b022c7c25f9

SHA1
0c50af2d100c3a351e47368d553fe711def7602b

SHA256
3b0c2a534efdbd709d631c994364c49ce50527623117678d06f129faf16758c5

SHA512
319986aca9a546a6e1c43c8fcced01087310698b835e374a2d4491de5f535d8b575b6ccd027b7098605b2a844fa515643cd7afd4b8c8a6541eabf80dc3b6c6f1

Download Submit
memory/772-57-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/772-66-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1392-87-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1392-80-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1452-71-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/2516-54-0x0000000000290000-0x00000000002B3000-memory.dmp

Filesize
140KB

Download
memory/2516-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2516-34-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2516-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2516-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2516-43-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2516-52-0x0000000000290000-0x00000000002B3000-memory.dmp

Filesize
140KB

Download
memory/2728-31-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2728-21-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2848-90-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3040-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3040-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3064-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3064-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3064-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3064-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3064-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download