neconyd | b3622fea29fec6888b0d3dc04c4f788ed8f9cceef1029a8e8378f412b76f0947

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
25/11/2024, 04:22

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General

Target

b3622fea29fec6888b0d3dc04c4f788ed8f9cceef1029a8e8378f412b76f0947N.exe
Size

96KB
MD5

c2cab31a81e910d235fa246b3986a3e0
SHA1

c6e907beb0b2720a16b5dedac994af35231b1964
SHA256

b3622fea29fec6888b0d3dc04c4f788ed8f9cceef1029a8e8378f412b76f0947
SHA512

b5dcac08a6e8cc050916b6fc01cbe6d8e681a8c9aec61df045064ee263780f412df348441d21282b2acb1dda465335d97b2a3191fcebbbfabae909b82e76d003
SSDEEP

1536:YnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxx7:YGs8cd8eXlYairZYqMddH137

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
852	omsecor.exe
1596	omsecor.exe
1116	omsecor.exe
4624	omsecor.exe
856	omsecor.exe
1972	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 2112 set thread context of 4900	2112	b3622fea29fec6888b0d3dc04c4f788ed8f9cceef1029a8e8378f412b76f0947N.exe	83
PID 852 set thread context of 1596	852	omsecor.exe	88
PID 1116 set thread context of 4624	1116	omsecor.exe	109
PID 856 set thread context of 1972	856	omsecor.exe	112

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1488	2112	WerFault.exe	82
4068	852	WerFault.exe	86
4704	1116	WerFault.exe	108
4536	856	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	b3622fea29fec6888b0d3dc04c4f788ed8f9cceef1029a8e8378f412b76f0947N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b3622fea29fec6888b0d3dc04c4f788ed8f9cceef1029a8e8378f412b76f0947N.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 4900	2112	b3622fea29fec6888b0d3dc04c4f788ed8f9cceef1029a8e8378f412b76f0947N.exe	83
PID 2112 wrote to memory of 4900	2112	b3622fea29fec6888b0d3dc04c4f788ed8f9cceef1029a8e8378f412b76f0947N.exe	83
PID 2112 wrote to memory of 4900	2112	b3622fea29fec6888b0d3dc04c4f788ed8f9cceef1029a8e8378f412b76f0947N.exe	83
PID 2112 wrote to memory of 4900	2112	b3622fea29fec6888b0d3dc04c4f788ed8f9cceef1029a8e8378f412b76f0947N.exe	83
PID 2112 wrote to memory of 4900	2112	b3622fea29fec6888b0d3dc04c4f788ed8f9cceef1029a8e8378f412b76f0947N.exe	83
PID 4900 wrote to memory of 852	4900	b3622fea29fec6888b0d3dc04c4f788ed8f9cceef1029a8e8378f412b76f0947N.exe	86
PID 4900 wrote to memory of 852	4900	b3622fea29fec6888b0d3dc04c4f788ed8f9cceef1029a8e8378f412b76f0947N.exe	86
PID 4900 wrote to memory of 852	4900	b3622fea29fec6888b0d3dc04c4f788ed8f9cceef1029a8e8378f412b76f0947N.exe	86
PID 852 wrote to memory of 1596	852	omsecor.exe	88
PID 852 wrote to memory of 1596	852	omsecor.exe	88
PID 852 wrote to memory of 1596	852	omsecor.exe	88
PID 852 wrote to memory of 1596	852	omsecor.exe	88
PID 852 wrote to memory of 1596	852	omsecor.exe	88
PID 1596 wrote to memory of 1116	1596	omsecor.exe	108
PID 1596 wrote to memory of 1116	1596	omsecor.exe	108
PID 1596 wrote to memory of 1116	1596	omsecor.exe	108
PID 1116 wrote to memory of 4624	1116	omsecor.exe	109
PID 1116 wrote to memory of 4624	1116	omsecor.exe	109
PID 1116 wrote to memory of 4624	1116	omsecor.exe	109
PID 1116 wrote to memory of 4624	1116	omsecor.exe	109
PID 1116 wrote to memory of 4624	1116	omsecor.exe	109
PID 4624 wrote to memory of 856	4624	omsecor.exe	111
PID 4624 wrote to memory of 856	4624	omsecor.exe	111
PID 4624 wrote to memory of 856	4624	omsecor.exe	111
PID 856 wrote to memory of 1972	856	omsecor.exe	112
PID 856 wrote to memory of 1972	856	omsecor.exe	112
PID 856 wrote to memory of 1972	856	omsecor.exe	112
PID 856 wrote to memory of 1972	856	omsecor.exe	112
PID 856 wrote to memory of 1972	856	omsecor.exe	112

C:\Users\Admin\AppData\Local\Temp\b3622fea29fec6888b0d3dc04c4f788ed8f9cceef1029a8e8378f412b76f0947N.exe
"C:\Users\Admin\AppData\Local\Temp\b3622fea29fec6888b0d3dc04c4f788ed8f9cceef1029a8e8378f412b76f0947N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\b3622fea29fec6888b0d3dc04c4f788ed8f9cceef1029a8e8378f412b76f0947N.exe
  C:\Users\Admin\AppData\Local\Temp\b3622fea29fec6888b0d3dc04c4f788ed8f9cceef1029a8e8378f412b76f0947N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4900
- - 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:852
  - - 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:1596
    - - 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:1116
      - 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:4624
        
        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:856
        
        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:1972
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 856 -s 244
        8⤵
        Program crash
        
        PID:4536
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 292
        6⤵
        Program crash
        
        PID:4704
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 300
      4⤵
      Program crash
      PID:4068
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 288
  2⤵
  - Program crash
  PID:1488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2112 -ip 2112
1⤵
PID:5040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 852 -ip 852
1⤵
PID:1804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1116 -ip 1116
1⤵
PID:4888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 856 -ip 856
1⤵
PID:2000

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
38fd507f2f0e1f992df19494b466d02f

SHA1
386b7f5f3343daa78a09206f251548770d512add

SHA256
3cf1d47c53353f2707a5ffe0173d31025f4155aca5bf3a213e147ca49c175b8b

SHA512
79298a0824895149945220c1032e36e3a84a39d74cc6b1dbd5dd6da89c515746686a38cb2d1d8a6c54575b3ab26d30f6a005bc0f9d6b322423515dc7ed552d97

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

Filesize
96KB

MD5
a5ec1629a2b5c30da08a66ffba114faa

SHA1
97a4c63136cefd313fd22996d2d2f63dff2a0fa7

SHA256
e80feb929568a89ab32450d4d87923d0b148af29f5608ff82251b024073fd57e

SHA512
4e314d2f83d9e101a51e3b25ba7c2ebab7dbb92a8a9f92bf46b9ca2c749b7bbf9b1a3720f66cfad527b7e8f4b865e624227ed1716fab9ab8702d04463c881eb1

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

Filesize
96KB

MD5
7ed98de7c37d6735bed34420715f4105

SHA1
93be2dad407868db5444f786db83a4c2115eec73

SHA256
e7360b9a6ebe9daa54f05e30a01cb097b68a4e0ba19b1990500045017f518d22

SHA512
cdc01988ed3bc45c43b8fdbc65c945f65544b1c2c58bc1b0c5d9dbb919887185b85f38151d935099ab0ea67652b46c9f1bde25e44cfccfb2d9a30a913745ee86

Download Submit
memory/852-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/852-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/856-43-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1116-51-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1116-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1596-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1596-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1596-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1596-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1596-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1596-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1596-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1972-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1972-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1972-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2112-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2112-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4624-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4624-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4624-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4900-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4900-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4900-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4900-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download