neconyd | 4797e1373fcdb7ea609aaceeaf2c0f78a7e1e21d20b0bb4a045985717b199302

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
19-12-2024 01:55

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General

Target

4797e1373fcdb7ea609aaceeaf2c0f78a7e1e21d20b0bb4a045985717b199302.exe
Size

96KB
MD5

d88b3cd30e3f1447bdfac79a08df111f
SHA1

a8288bfa23db0157e34e1dd91d9df0256a5eb69f
SHA256

4797e1373fcdb7ea609aaceeaf2c0f78a7e1e21d20b0bb4a045985717b199302
SHA512

8655eb41a84c3e8c9fc413fe95f146497e7402c8d2b3342813e537b1b72240597a0191b4e38d1443e79d82770b895dfb870a185e192ab1d9768bd61af55330f5
SSDEEP

1536:onAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxb:oGs8cd8eXlYairZYqMddH13b

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
1668	omsecor.exe
4008	omsecor.exe
4172	omsecor.exe
3968	omsecor.exe
4340	omsecor.exe
1168	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 4048 set thread context of 1136	4048	4797e1373fcdb7ea609aaceeaf2c0f78a7e1e21d20b0bb4a045985717b199302.exe	83
PID 1668 set thread context of 4008	1668	omsecor.exe	87
PID 4172 set thread context of 3968	4172	omsecor.exe	109
PID 4340 set thread context of 1168	4340	omsecor.exe	113

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1360	4048	WerFault.exe	82
2128	1668	WerFault.exe	85
1452	4172	WerFault.exe	108
1668	4340	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	4797e1373fcdb7ea609aaceeaf2c0f78a7e1e21d20b0bb4a045985717b199302.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4797e1373fcdb7ea609aaceeaf2c0f78a7e1e21d20b0bb4a045985717b199302.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 4048 wrote to memory of 1136	4048	4797e1373fcdb7ea609aaceeaf2c0f78a7e1e21d20b0bb4a045985717b199302.exe	83
PID 4048 wrote to memory of 1136	4048	4797e1373fcdb7ea609aaceeaf2c0f78a7e1e21d20b0bb4a045985717b199302.exe	83
PID 4048 wrote to memory of 1136	4048	4797e1373fcdb7ea609aaceeaf2c0f78a7e1e21d20b0bb4a045985717b199302.exe	83
PID 4048 wrote to memory of 1136	4048	4797e1373fcdb7ea609aaceeaf2c0f78a7e1e21d20b0bb4a045985717b199302.exe	83
PID 4048 wrote to memory of 1136	4048	4797e1373fcdb7ea609aaceeaf2c0f78a7e1e21d20b0bb4a045985717b199302.exe	83
PID 1136 wrote to memory of 1668	1136	4797e1373fcdb7ea609aaceeaf2c0f78a7e1e21d20b0bb4a045985717b199302.exe	85
PID 1136 wrote to memory of 1668	1136	4797e1373fcdb7ea609aaceeaf2c0f78a7e1e21d20b0bb4a045985717b199302.exe	85
PID 1136 wrote to memory of 1668	1136	4797e1373fcdb7ea609aaceeaf2c0f78a7e1e21d20b0bb4a045985717b199302.exe	85
PID 1668 wrote to memory of 4008	1668	omsecor.exe	87
PID 1668 wrote to memory of 4008	1668	omsecor.exe	87
PID 1668 wrote to memory of 4008	1668	omsecor.exe	87
PID 1668 wrote to memory of 4008	1668	omsecor.exe	87
PID 1668 wrote to memory of 4008	1668	omsecor.exe	87
PID 4008 wrote to memory of 4172	4008	omsecor.exe	108
PID 4008 wrote to memory of 4172	4008	omsecor.exe	108
PID 4008 wrote to memory of 4172	4008	omsecor.exe	108
PID 4172 wrote to memory of 3968	4172	omsecor.exe	109
PID 4172 wrote to memory of 3968	4172	omsecor.exe	109
PID 4172 wrote to memory of 3968	4172	omsecor.exe	109
PID 4172 wrote to memory of 3968	4172	omsecor.exe	109
PID 4172 wrote to memory of 3968	4172	omsecor.exe	109
PID 3968 wrote to memory of 4340	3968	omsecor.exe	111
PID 3968 wrote to memory of 4340	3968	omsecor.exe	111
PID 3968 wrote to memory of 4340	3968	omsecor.exe	111
PID 4340 wrote to memory of 1168	4340	omsecor.exe	113
PID 4340 wrote to memory of 1168	4340	omsecor.exe	113
PID 4340 wrote to memory of 1168	4340	omsecor.exe	113
PID 4340 wrote to memory of 1168	4340	omsecor.exe	113
PID 4340 wrote to memory of 1168	4340	omsecor.exe	113

C:\Users\Admin\AppData\Local\Temp\4797e1373fcdb7ea609aaceeaf2c0f78a7e1e21d20b0bb4a045985717b199302.exe
"C:\Users\Admin\AppData\Local\Temp\4797e1373fcdb7ea609aaceeaf2c0f78a7e1e21d20b0bb4a045985717b199302.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4048
- C:\Users\Admin\AppData\Local\Temp\4797e1373fcdb7ea609aaceeaf2c0f78a7e1e21d20b0bb4a045985717b199302.exe
  C:\Users\Admin\AppData\Local\Temp\4797e1373fcdb7ea609aaceeaf2c0f78a7e1e21d20b0bb4a045985717b199302.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1136
- - 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:1668
  - - 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:4008
    - - 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:4172
      - 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:3968
        
        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:4340
        
        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:1168
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4340 -s 268
        8⤵
        Program crash
        
        PID:1668
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4172 -s 296
        6⤵
        Program crash
        
        PID:1452
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 300
      4⤵
      Program crash
      PID:2128
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4048 -s 288
  2⤵
  - Program crash
  PID:1360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4048 -ip 4048
1⤵
PID:3932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1668 -ip 1668
1⤵
PID:1452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4172 -ip 4172
1⤵
PID:5096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4340 -ip 4340
1⤵
PID:1268

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
f556ea2c3a0570bfaabc0df6b7d9ee84

SHA1
ce85dadde673f1074cf575e156d583d8fdf9b8e2

SHA256
1f570d54cbbd7d4d559b0697a69f2dc8f0ba52685150e82e0f4d8e76dcb5c910

SHA512
f1f3276ab902e6fccb598d2254c6053e2115895618ba7580840c110a9dd8e0d776aea47b735fe9b18e1802977e1ac5b97a94d78cef571f98a6d879c139cbf833

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

Filesize
96KB

MD5
c229ec62f0c068ef88145ac02af6f35d

SHA1
a124c8fe0f0b1b5a765543f24db977c460902680

SHA256
c4546cbfa69c716d9a6fbeb4f810760aabb69789bd2356cbc3b3df03744182a9

SHA512
3b2a7e3a410b50e05f06da3005a804ec3512aea60073de7e65ed19ff2668d962cb704b5e52a951774e4f51a7ea50b1a6ce7de2fda3ae9c2d3b0f529f05d0ec2a

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

Filesize
96KB

MD5
5541d74dc22b47b25cadf2b190f01b24

SHA1
073980e5b7abcc997c9a5606219e572ee2ef6ab8

SHA256
acebfeb7a95a57ee04166349ffd1aedcac0db314aadcf2d40eeaaa730ba1c8a4

SHA512
f8227960e1f98e921b0ca77500eb5382ee926dde885017c0621445e75bbb1d86f2329f5a8fb47ce6a7a8f53f7e4ab7d332c32304efc678546410c5b51a1957e8

Download Submit
memory/1136-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1136-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1136-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1136-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1168-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1168-51-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1168-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1668-10-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1668-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3968-44-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3968-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3968-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4008-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4008-32-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4008-28-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4008-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4008-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4008-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4008-16-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4048-20-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4048-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4172-33-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4172-53-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4340-46-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4340-55-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download