neconyd | de4fbc62602a5f3cb36828b626944110db06fd3421683124303dbcd8871328fc

Analysis

max time kernel
115s
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
31/12/2024, 20:57

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General

Target

de4fbc62602a5f3cb36828b626944110db06fd3421683124303dbcd8871328fc.exe
Size

96KB
MD5

45f4352a4d3d6ae1d060f857a561d31e
SHA1

3ad478217477fd01bd5f7506b23cddf7287bb513
SHA256

de4fbc62602a5f3cb36828b626944110db06fd3421683124303dbcd8871328fc
SHA512

338dba83885f49274a02bd9306a8c9c01e3593b31636bf5559070af79962d21b5ce2fb43d778ce2c471711fd1f72452225c314a0bcbc980c908a3f4235d74cb9
SSDEEP

1536:inAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxT:iGs8cd8eXlYairZYqMddH13T

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
1420	omsecor.exe
3396	omsecor.exe
2968	omsecor.exe
4040	omsecor.exe
1448	omsecor.exe
3588	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 1608 set thread context of 2248	1608	de4fbc62602a5f3cb36828b626944110db06fd3421683124303dbcd8871328fc.exe	83
PID 1420 set thread context of 3396	1420	omsecor.exe	88
PID 2968 set thread context of 4040	2968	omsecor.exe	109
PID 1448 set thread context of 3588	1448	omsecor.exe	113

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1772	1608	WerFault.exe	82
100	1420	WerFault.exe	85
2044	2968	WerFault.exe	108
2032	1448	WerFault.exe	111

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	de4fbc62602a5f3cb36828b626944110db06fd3421683124303dbcd8871328fc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de4fbc62602a5f3cb36828b626944110db06fd3421683124303dbcd8871328fc.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 1608 wrote to memory of 2248	1608	de4fbc62602a5f3cb36828b626944110db06fd3421683124303dbcd8871328fc.exe	83
PID 1608 wrote to memory of 2248	1608	de4fbc62602a5f3cb36828b626944110db06fd3421683124303dbcd8871328fc.exe	83
PID 1608 wrote to memory of 2248	1608	de4fbc62602a5f3cb36828b626944110db06fd3421683124303dbcd8871328fc.exe	83
PID 1608 wrote to memory of 2248	1608	de4fbc62602a5f3cb36828b626944110db06fd3421683124303dbcd8871328fc.exe	83
PID 1608 wrote to memory of 2248	1608	de4fbc62602a5f3cb36828b626944110db06fd3421683124303dbcd8871328fc.exe	83
PID 2248 wrote to memory of 1420	2248	de4fbc62602a5f3cb36828b626944110db06fd3421683124303dbcd8871328fc.exe	85
PID 2248 wrote to memory of 1420	2248	de4fbc62602a5f3cb36828b626944110db06fd3421683124303dbcd8871328fc.exe	85
PID 2248 wrote to memory of 1420	2248	de4fbc62602a5f3cb36828b626944110db06fd3421683124303dbcd8871328fc.exe	85
PID 1420 wrote to memory of 3396	1420	omsecor.exe	88
PID 1420 wrote to memory of 3396	1420	omsecor.exe	88
PID 1420 wrote to memory of 3396	1420	omsecor.exe	88
PID 1420 wrote to memory of 3396	1420	omsecor.exe	88
PID 1420 wrote to memory of 3396	1420	omsecor.exe	88
PID 3396 wrote to memory of 2968	3396	omsecor.exe	108
PID 3396 wrote to memory of 2968	3396	omsecor.exe	108
PID 3396 wrote to memory of 2968	3396	omsecor.exe	108
PID 2968 wrote to memory of 4040	2968	omsecor.exe	109
PID 2968 wrote to memory of 4040	2968	omsecor.exe	109
PID 2968 wrote to memory of 4040	2968	omsecor.exe	109
PID 2968 wrote to memory of 4040	2968	omsecor.exe	109
PID 2968 wrote to memory of 4040	2968	omsecor.exe	109
PID 4040 wrote to memory of 1448	4040	omsecor.exe	111
PID 4040 wrote to memory of 1448	4040	omsecor.exe	111
PID 4040 wrote to memory of 1448	4040	omsecor.exe	111
PID 1448 wrote to memory of 3588	1448	omsecor.exe	113
PID 1448 wrote to memory of 3588	1448	omsecor.exe	113
PID 1448 wrote to memory of 3588	1448	omsecor.exe	113
PID 1448 wrote to memory of 3588	1448	omsecor.exe	113
PID 1448 wrote to memory of 3588	1448	omsecor.exe	113

C:\Users\Admin\AppData\Local\Temp\de4fbc62602a5f3cb36828b626944110db06fd3421683124303dbcd8871328fc.exe
"C:\Users\Admin\AppData\Local\Temp\de4fbc62602a5f3cb36828b626944110db06fd3421683124303dbcd8871328fc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Users\Admin\AppData\Local\Temp\de4fbc62602a5f3cb36828b626944110db06fd3421683124303dbcd8871328fc.exe
  C:\Users\Admin\AppData\Local\Temp\de4fbc62602a5f3cb36828b626944110db06fd3421683124303dbcd8871328fc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2248
- - 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:1420
  - - 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:3396
    - - 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:2968
      - 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:4040
        
        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:1448
        
        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:3588
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 256
        8⤵
        Program crash
        
        PID:2032
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2968 -s 292
        6⤵
        Program crash
        
        PID:2044
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1420 -s 288
      4⤵
      Program crash
      PID:100
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 288
  2⤵
  - Program crash
  PID:1772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1608 -ip 1608
1⤵
PID:1096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1420 -ip 1420
1⤵
PID:4504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2968 -ip 2968
1⤵
PID:1452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1448 -ip 1448
1⤵
PID:1420

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
0a59faedbebf0a2bd2c749bfc6d945d6

SHA1
0ec6e06f629dd895d8ac392d83b1ab31d929c108

SHA256
954a8dc535c93cff1bf286abdf1b1c2bad8386f1a9af608fbf321eb5eaf66213

SHA512
7fc46845204c8e8c29a32037143f9c10df36570b0184f336e500fd92fff2507032041edf4584e931e8a233918f856f564f086bed42fd5257f5323610f85da706

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

Filesize
96KB

MD5
86b8a847d9948af88cc7e6264060a925

SHA1
33f312781035a839e9f6128a41d26963bf756d46

SHA256
c195593c0086de00fa77fc971509a4a840e5789b10d3bf15bf52178b767fa072

SHA512
0bdf016b953bea8b772b94363094eb0b6679410cccc52642438f0d1538c5571b44004cdb411f14d3563b1b0739eb96b7593376732cf1fe7c12e377df66cbed09

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

Filesize
96KB

MD5
a58d631ee8934602151e7c888fb4da0e

SHA1
708f2c6c4fc8c7a4a787c5a14523d238b9bf589b

SHA256
49579970a46c3717354d5f72fa15897f2f4f68dec31dfc9c3a73799d8c0be60c

SHA512
b78835e800615667f3dfcb4b0477527dbbfbf9d2d555ed31d1a9a82de8b29de0fa46f618b6fb08d37eadf3533da877d411cecd1ef07ab40c034af1b262b48df3

Download Submit
memory/1420-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1420-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1448-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1608-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1608-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2248-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2248-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2248-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2248-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2968-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2968-33-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3396-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3396-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3396-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3396-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3396-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3396-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3396-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3588-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3588-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3588-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4040-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4040-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4040-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download