neconyd | c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05-02-2025 06:43

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General

Target

c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe
Size

96KB
MD5

2acb002195d7adb3c6eace37311cb4c0
SHA1

685bf6ed8201ad3465d414987f997b6712434536
SHA256

c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426
SHA512

4f1fcff94d824216d41be3aaf4723912e013b01c0830c298d778c30b1fc501346bbe0751e647542b42f4ebe19061927d835863a568cf35577318312c51ad1129
SSDEEP

1536:AnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxz:AGs8cd8eXlYairZYqMddH13z

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
2292	omsecor.exe
2768	omsecor.exe
2744	omsecor.exe
2112	omsecor.exe
2488	omsecor.exe
776	omsecor.exe

Loads dropped DLL 7 IoCs

pid	Process
840	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe
840	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe
2292	omsecor.exe
2768	omsecor.exe
2768	omsecor.exe
2112	omsecor.exe
2112	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 2652 set thread context of 840	2652	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	31
PID 2292 set thread context of 2768	2292	omsecor.exe	33
PID 2744 set thread context of 2112	2744	omsecor.exe	36
PID 2488 set thread context of 776	2488	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	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	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.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 2652 wrote to memory of 840	2652	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	31
PID 2652 wrote to memory of 840	2652	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	31
PID 2652 wrote to memory of 840	2652	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	31
PID 2652 wrote to memory of 840	2652	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	31
PID 2652 wrote to memory of 840	2652	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	31
PID 2652 wrote to memory of 840	2652	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	31
PID 840 wrote to memory of 2292	840	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	32
PID 840 wrote to memory of 2292	840	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	32
PID 840 wrote to memory of 2292	840	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	32
PID 840 wrote to memory of 2292	840	c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe	32
PID 2292 wrote to memory of 2768	2292	omsecor.exe	33
PID 2292 wrote to memory of 2768	2292	omsecor.exe	33
PID 2292 wrote to memory of 2768	2292	omsecor.exe	33
PID 2292 wrote to memory of 2768	2292	omsecor.exe	33
PID 2292 wrote to memory of 2768	2292	omsecor.exe	33
PID 2292 wrote to memory of 2768	2292	omsecor.exe	33
PID 2768 wrote to memory of 2744	2768	omsecor.exe	35
PID 2768 wrote to memory of 2744	2768	omsecor.exe	35
PID 2768 wrote to memory of 2744	2768	omsecor.exe	35
PID 2768 wrote to memory of 2744	2768	omsecor.exe	35
PID 2744 wrote to memory of 2112	2744	omsecor.exe	36
PID 2744 wrote to memory of 2112	2744	omsecor.exe	36
PID 2744 wrote to memory of 2112	2744	omsecor.exe	36
PID 2744 wrote to memory of 2112	2744	omsecor.exe	36
PID 2744 wrote to memory of 2112	2744	omsecor.exe	36
PID 2744 wrote to memory of 2112	2744	omsecor.exe	36
PID 2112 wrote to memory of 2488	2112	omsecor.exe	37
PID 2112 wrote to memory of 2488	2112	omsecor.exe	37
PID 2112 wrote to memory of 2488	2112	omsecor.exe	37
PID 2112 wrote to memory of 2488	2112	omsecor.exe	37
PID 2488 wrote to memory of 776	2488	omsecor.exe	38
PID 2488 wrote to memory of 776	2488	omsecor.exe	38
PID 2488 wrote to memory of 776	2488	omsecor.exe	38
PID 2488 wrote to memory of 776	2488	omsecor.exe	38
PID 2488 wrote to memory of 776	2488	omsecor.exe	38
PID 2488 wrote to memory of 776	2488	omsecor.exe	38

C:\Users\Admin\AppData\Local\Temp\c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe
"C:\Users\Admin\AppData\Local\Temp\c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Users\Admin\AppData\Local\Temp\c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe
  C:\Users\Admin\AppData\Local\Temp\c4daa36733b2be3d5cb89ab16807fd5e790bec05ee849df1db7723f316586426N.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:840
- - 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:2292
  - - 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:2768
    - - 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:2744
      - 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:2112
        
        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:2488
        
        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:776

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

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

Filesize
96KB

MD5
b6e040d7c07f726d569c9c28faa7b7a0

SHA1
38f0bb2980a8b099c5c2800d6b5127e18a5e9ef5

SHA256
359244f68fc915236a6983c922263b926b1f02d93b0149452dc25ed6b642de10

SHA512
aa3feca21e344be149e0006e46f90ea81257795a3e94cc6de90e6cd9d468b60cfc1167f346f8053fb198d3b05f8f05557450bfe23e80d01e1439a45f08fb9afc

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

Filesize
96KB

MD5
258d671ed52c131b865e73a21c4c560e

SHA1
4384f2c868197546708fbac514017e6fc84c414b

SHA256
e78c2aefd57c0907a3be82bc371e773d1b3f6b18cea637c07405d38fa897a5f5

SHA512
c9eaf7e41bba51abe1463c1deabe53e5f3149907f4baa44613ab466ed57a53ad63053243c9585f8f088e48cd703db08ed90dd746069aa0f3379c10432ca95da6

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
96KB

MD5
224bfd6dc3aeb56430237ba18b816d90

SHA1
f7e5c1f5d9a7600a49e41a1f3de7070c4b1f37f1

SHA256
6bfae2dfe9dec1dfee11e0c1434d61bfa09a480e64c2d10f78b3a9839022f7ce

SHA512
f02ab09cecb8359c630323f8321630b120f83eb922c52ea07152859104ea896a1cd81246f5ef2173cd8d8123e0820a9d76a33ba0d0aeb04fc124eebc8e4c019c

Download Submit
memory/776-91-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/840-37-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/840-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/840-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/840-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/840-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/840-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/840-22-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/2292-34-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2292-23-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2292-26-0x00000000003B0000-0x00000000003D3000-memory.dmp

Filesize
140KB

Download
memory/2488-90-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2488-81-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2652-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2652-8-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2744-69-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2768-58-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2768-50-0x00000000007A0000-0x00000000007C3000-memory.dmp

Filesize
140KB

Download
memory/2768-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2768-44-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2768-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2768-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download