neconyd | 3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620

Analysis

max time kernel
114s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/02/2025, 16:01

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General

Target

3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe
Size

96KB
MD5

0a40b0a014c036e6d27dd45bf0edf260
SHA1

52937a8666e9811f57b77872d75a1147fc612dbb
SHA256

3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620
SHA512

88426746aa304f462eacf6f48b2a6baea193ae82e11059bf555d08ccac96f28a617fdbc97815ab3fa72c414f6f806f3c4dd143c1eab355dc0f4014ae17fa522f
SSDEEP

1536:DnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxb:DGs8cd8eXlYairZYqMddH13b

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
2792	omsecor.exe
2780	omsecor.exe
2864	omsecor.exe
1784	omsecor.exe
1800	omsecor.exe
2180	omsecor.exe

Loads dropped DLL 7 IoCs

pid	Process
2772	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe
2772	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe
2792	omsecor.exe
2780	omsecor.exe
2780	omsecor.exe
1784	omsecor.exe
1784	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 2736 set thread context of 2772	2736	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	30
PID 2792 set thread context of 2780	2792	omsecor.exe	32
PID 2864 set thread context of 1784	2864	omsecor.exe	36
PID 1800 set thread context of 2180	1800	omsecor.exe	38

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	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.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 36 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2772	2736	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	30
PID 2736 wrote to memory of 2772	2736	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	30
PID 2736 wrote to memory of 2772	2736	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	30
PID 2736 wrote to memory of 2772	2736	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	30
PID 2736 wrote to memory of 2772	2736	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	30
PID 2736 wrote to memory of 2772	2736	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	30
PID 2772 wrote to memory of 2792	2772	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	31
PID 2772 wrote to memory of 2792	2772	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	31
PID 2772 wrote to memory of 2792	2772	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	31
PID 2772 wrote to memory of 2792	2772	3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe	31
PID 2792 wrote to memory of 2780	2792	omsecor.exe	32
PID 2792 wrote to memory of 2780	2792	omsecor.exe	32
PID 2792 wrote to memory of 2780	2792	omsecor.exe	32
PID 2792 wrote to memory of 2780	2792	omsecor.exe	32
PID 2792 wrote to memory of 2780	2792	omsecor.exe	32
PID 2792 wrote to memory of 2780	2792	omsecor.exe	32
PID 2780 wrote to memory of 2864	2780	omsecor.exe	35
PID 2780 wrote to memory of 2864	2780	omsecor.exe	35
PID 2780 wrote to memory of 2864	2780	omsecor.exe	35
PID 2780 wrote to memory of 2864	2780	omsecor.exe	35
PID 2864 wrote to memory of 1784	2864	omsecor.exe	36
PID 2864 wrote to memory of 1784	2864	omsecor.exe	36
PID 2864 wrote to memory of 1784	2864	omsecor.exe	36
PID 2864 wrote to memory of 1784	2864	omsecor.exe	36
PID 2864 wrote to memory of 1784	2864	omsecor.exe	36
PID 2864 wrote to memory of 1784	2864	omsecor.exe	36
PID 1784 wrote to memory of 1800	1784	omsecor.exe	37
PID 1784 wrote to memory of 1800	1784	omsecor.exe	37
PID 1784 wrote to memory of 1800	1784	omsecor.exe	37
PID 1784 wrote to memory of 1800	1784	omsecor.exe	37
PID 1800 wrote to memory of 2180	1800	omsecor.exe	38
PID 1800 wrote to memory of 2180	1800	omsecor.exe	38
PID 1800 wrote to memory of 2180	1800	omsecor.exe	38
PID 1800 wrote to memory of 2180	1800	omsecor.exe	38
PID 1800 wrote to memory of 2180	1800	omsecor.exe	38
PID 1800 wrote to memory of 2180	1800	omsecor.exe	38

C:\Users\Admin\AppData\Local\Temp\3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe
"C:\Users\Admin\AppData\Local\Temp\3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Users\Admin\AppData\Local\Temp\3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe
  C:\Users\Admin\AppData\Local\Temp\3531af429007bda95caa5d25c0b81a58e393b39a533fe533e410824f9a481620N.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2772
- - 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:2792
  - - 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:2780
    - - 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:2864
      - 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:1784
        
        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:1800
        
        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:2180

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

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Downloads

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

Filesize
96KB

MD5
910632cab3e18188b75277e7e4d7579b

SHA1
292d3104cfa756375dba6e28ca599c4b8d2b3744

SHA256
84b2e9c61b1e8abf53823d4128fbee4717aaa1ea2993a14342df447ea61a3d8d

SHA512
19c96a7fa7400837f66cb8451309b23ca396d9450824040d1364fe57104aba01d7b635f14a59b487f6b259d90276145760577b54eea00e53e0107324849daa8e

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

Filesize
96KB

MD5
b2786498879cad41e25fd398d087f6f5

SHA1
16aecfba3e67b37ea5d76ecc847fdba6547b30d4

SHA256
d479dbabea15fef6676ccfbd50f216d14e17d1adce9e7d3e06275a6cd21f4daf

SHA512
136db58aba94300dbb04248f352ee796b3e647982815ff8de956334b9637a4416f43ad7f635baa46bbf99f5f90761411a52eaa4f00ff5de54b652d45483d489b

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
96KB

MD5
8560a86eca7da92a2adb4f5121b94163

SHA1
fe6dff12a5b5dd49cae0e8a84b50451ee8c965b9

SHA256
aa671df2d347736d85f68251f5704b9437c3114a11116b7a3886bfd8fe704ac0

SHA512
b960465440d5bb9e7ac4acb9102f179f0f99b4affb8af9556a82b4129fa9676354ca34293fdfa9f6d0a39ff83f413782bd9565b399c4d6efe62f50c7bb8907ed

Download Submit
memory/1784-77-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/1800-80-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1800-87-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2180-90-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2736-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2736-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2772-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2772-21-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/2772-20-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/2772-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2772-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2772-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2780-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2780-48-0x00000000002C0000-0x00000000002E3000-memory.dmp

Filesize
140KB

Download
memory/2780-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2780-45-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2780-42-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2780-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2792-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2792-22-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2864-67-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download