neconyd | f62dd28b70e286b2e2a82d2a78ceba0816397a929971d62a0f363da4ffc728dc

Analysis

max time kernel
115s
max time network
119s
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 21:28

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General

Target

f62dd28b70e286b2e2a82d2a78ceba0816397a929971d62a0f363da4ffc728dc.exe
Size

96KB
MD5

259ab1d3bccdf0c804bc85e2989abbe8
SHA1

675d88b782b4e9239d4a4f6d1173c74ecec23221
SHA256

f62dd28b70e286b2e2a82d2a78ceba0816397a929971d62a0f363da4ffc728dc
SHA512

06ebf6cf3f8886b1ba8bd91162e7b0c442798fa703ca5a1ad5d40d6d9dae38e43e447387f9251f310502de97466e0c6eb88b3a49fb727fa5c9e5cc4ef7cd2fad
SSDEEP

1536:4nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxr:4Gs8cd8eXlYairZYqMddH13r

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
1348	omsecor.exe
4740	omsecor.exe
3700	omsecor.exe
4648	omsecor.exe
3324	omsecor.exe
4288	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 3052 set thread context of 2764	3052	f62dd28b70e286b2e2a82d2a78ceba0816397a929971d62a0f363da4ffc728dc.exe	83
PID 1348 set thread context of 4740	1348	omsecor.exe	88
PID 3700 set thread context of 4648	3700	omsecor.exe	109
PID 3324 set thread context of 4288	3324	omsecor.exe	113

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3260	3052	WerFault.exe	82
4104	1348	WerFault.exe	86
3608	3700	WerFault.exe	108
1808	3324	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	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	f62dd28b70e286b2e2a82d2a78ceba0816397a929971d62a0f363da4ffc728dc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f62dd28b70e286b2e2a82d2a78ceba0816397a929971d62a0f363da4ffc728dc.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 3052 wrote to memory of 2764	3052	f62dd28b70e286b2e2a82d2a78ceba0816397a929971d62a0f363da4ffc728dc.exe	83
PID 3052 wrote to memory of 2764	3052	f62dd28b70e286b2e2a82d2a78ceba0816397a929971d62a0f363da4ffc728dc.exe	83
PID 3052 wrote to memory of 2764	3052	f62dd28b70e286b2e2a82d2a78ceba0816397a929971d62a0f363da4ffc728dc.exe	83
PID 3052 wrote to memory of 2764	3052	f62dd28b70e286b2e2a82d2a78ceba0816397a929971d62a0f363da4ffc728dc.exe	83
PID 3052 wrote to memory of 2764	3052	f62dd28b70e286b2e2a82d2a78ceba0816397a929971d62a0f363da4ffc728dc.exe	83
PID 2764 wrote to memory of 1348	2764	f62dd28b70e286b2e2a82d2a78ceba0816397a929971d62a0f363da4ffc728dc.exe	86
PID 2764 wrote to memory of 1348	2764	f62dd28b70e286b2e2a82d2a78ceba0816397a929971d62a0f363da4ffc728dc.exe	86
PID 2764 wrote to memory of 1348	2764	f62dd28b70e286b2e2a82d2a78ceba0816397a929971d62a0f363da4ffc728dc.exe	86
PID 1348 wrote to memory of 4740	1348	omsecor.exe	88
PID 1348 wrote to memory of 4740	1348	omsecor.exe	88
PID 1348 wrote to memory of 4740	1348	omsecor.exe	88
PID 1348 wrote to memory of 4740	1348	omsecor.exe	88
PID 1348 wrote to memory of 4740	1348	omsecor.exe	88
PID 4740 wrote to memory of 3700	4740	omsecor.exe	108
PID 4740 wrote to memory of 3700	4740	omsecor.exe	108
PID 4740 wrote to memory of 3700	4740	omsecor.exe	108
PID 3700 wrote to memory of 4648	3700	omsecor.exe	109
PID 3700 wrote to memory of 4648	3700	omsecor.exe	109
PID 3700 wrote to memory of 4648	3700	omsecor.exe	109
PID 3700 wrote to memory of 4648	3700	omsecor.exe	109
PID 3700 wrote to memory of 4648	3700	omsecor.exe	109
PID 4648 wrote to memory of 3324	4648	omsecor.exe	111
PID 4648 wrote to memory of 3324	4648	omsecor.exe	111
PID 4648 wrote to memory of 3324	4648	omsecor.exe	111
PID 3324 wrote to memory of 4288	3324	omsecor.exe	113
PID 3324 wrote to memory of 4288	3324	omsecor.exe	113
PID 3324 wrote to memory of 4288	3324	omsecor.exe	113
PID 3324 wrote to memory of 4288	3324	omsecor.exe	113
PID 3324 wrote to memory of 4288	3324	omsecor.exe	113

C:\Users\Admin\AppData\Local\Temp\f62dd28b70e286b2e2a82d2a78ceba0816397a929971d62a0f363da4ffc728dc.exe
"C:\Users\Admin\AppData\Local\Temp\f62dd28b70e286b2e2a82d2a78ceba0816397a929971d62a0f363da4ffc728dc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Users\Admin\AppData\Local\Temp\f62dd28b70e286b2e2a82d2a78ceba0816397a929971d62a0f363da4ffc728dc.exe
  C:\Users\Admin\AppData\Local\Temp\f62dd28b70e286b2e2a82d2a78ceba0816397a929971d62a0f363da4ffc728dc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2764
- - 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:1348
  - - 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:4740
    - - 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:3700
      - 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:4648
        
        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:3324
        
        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:4288
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3324 -s 244
        8⤵
        Program crash
        
        PID:1808
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 292
        6⤵
        Program crash
        
        PID:3608
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1348 -s 288
      4⤵
      Program crash
      PID:4104
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 288
  2⤵
  - Program crash
  PID:3260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3052 -ip 3052
1⤵
PID:3988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1348 -ip 1348
1⤵
PID:3760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3700 -ip 3700
1⤵
PID:3948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3324 -ip 3324
1⤵
PID:2872

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
79cdf281f091f2ee5d8be79a56fa0001

SHA1
710fe8df20fe5c711f1e03d0a6e61016c205160a

SHA256
60ac0108d88be04cd1226e5969e1868c66839c593faecf123b917f6a1481ba54

SHA512
323de23bb0351c5bdf1ad4f0ba2d2ebd96b6daaed24103b63a4948164e7481a6631965257e31c08ec9123400ad2ff6d5dc0b3c41572cca88682a0d00d9bd3819

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

Filesize
96KB

MD5
5b4241b36e7e17dba104731ed4d36b3b

SHA1
c9001ea16bec66a1cb6170028b184e64d9bb8985

SHA256
f404305a3f6c169aaaef46388d439021004ffecf2351c4c44321db0c677c2ea0

SHA512
947910b55bfbd8117d2b6e623b42297172381170e3eb5a023d955ff505778012e71d28b0cffe68b93a6c33931d8857193ae87f5255b671740620ee544740edaf

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

Filesize
96KB

MD5
86aa0b0eda6c2cf9274231943f74763c

SHA1
3cf5c3a6531695a228818b34165d3c1730feb696

SHA256
e388ace1b4a692c2ac7276e78d7b0fd1d7f826e728436ba68aba78f267da886c

SHA512
8c0a7298bc9b7bf932c531e6346cf9081342e02d7f49ce5191e0902282c317551705b2ef153eded8805b8e8598099e2060c38e1447b4a2e00770672525452193

Download Submit
memory/1348-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1348-10-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2764-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2764-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2764-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2764-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3052-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3052-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3324-55-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3324-46-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3700-53-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3700-34-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4288-51-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4288-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4288-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4648-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4648-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4648-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4740-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4740-33-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4740-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4740-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4740-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4740-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4740-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download