neconyd | b2f9a02219b4b162c31705db3ec8bb79388aca4082eaac8b43ee3118b31ce800

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 02:50

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General

Target

b2f9a02219b4b162c31705db3ec8bb79388aca4082eaac8b43ee3118b31ce800.exe
Size

96KB
MD5

31e55980ad69426261b8860429ee0c21
SHA1

4080b76d20fd5ab5cea415c344d98db4fa0731ef
SHA256

b2f9a02219b4b162c31705db3ec8bb79388aca4082eaac8b43ee3118b31ce800
SHA512

8367438a0443204df982b1930f847de29cf233c0562030d8bb25201e70c01e10fd9abdccee88c307eb90a69bb912fd341e716a0b5c582814d81dd27ba8255c27
SSDEEP

1536:LnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxq:LGs8cd8eXlYairZYqMddH13q

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
1472	omsecor.exe
3692	omsecor.exe
4132	omsecor.exe
3924	omsecor.exe
2480	omsecor.exe
736	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 2068 set thread context of 3920	2068	b2f9a02219b4b162c31705db3ec8bb79388aca4082eaac8b43ee3118b31ce800.exe	83
PID 1472 set thread context of 3692	1472	omsecor.exe	87
PID 4132 set thread context of 3924	4132	omsecor.exe	106
PID 2480 set thread context of 736	2480	omsecor.exe	110

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4176	2068	WerFault.exe	82
3308	1472	WerFault.exe	85
1360	4132	WerFault.exe	105
4328	2480	WerFault.exe	108

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	b2f9a02219b4b162c31705db3ec8bb79388aca4082eaac8b43ee3118b31ce800.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	b2f9a02219b4b162c31705db3ec8bb79388aca4082eaac8b43ee3118b31ce800.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 3920	2068	b2f9a02219b4b162c31705db3ec8bb79388aca4082eaac8b43ee3118b31ce800.exe	83
PID 2068 wrote to memory of 3920	2068	b2f9a02219b4b162c31705db3ec8bb79388aca4082eaac8b43ee3118b31ce800.exe	83
PID 2068 wrote to memory of 3920	2068	b2f9a02219b4b162c31705db3ec8bb79388aca4082eaac8b43ee3118b31ce800.exe	83
PID 2068 wrote to memory of 3920	2068	b2f9a02219b4b162c31705db3ec8bb79388aca4082eaac8b43ee3118b31ce800.exe	83
PID 2068 wrote to memory of 3920	2068	b2f9a02219b4b162c31705db3ec8bb79388aca4082eaac8b43ee3118b31ce800.exe	83
PID 3920 wrote to memory of 1472	3920	b2f9a02219b4b162c31705db3ec8bb79388aca4082eaac8b43ee3118b31ce800.exe	85
PID 3920 wrote to memory of 1472	3920	b2f9a02219b4b162c31705db3ec8bb79388aca4082eaac8b43ee3118b31ce800.exe	85
PID 3920 wrote to memory of 1472	3920	b2f9a02219b4b162c31705db3ec8bb79388aca4082eaac8b43ee3118b31ce800.exe	85
PID 1472 wrote to memory of 3692	1472	omsecor.exe	87
PID 1472 wrote to memory of 3692	1472	omsecor.exe	87
PID 1472 wrote to memory of 3692	1472	omsecor.exe	87
PID 1472 wrote to memory of 3692	1472	omsecor.exe	87
PID 1472 wrote to memory of 3692	1472	omsecor.exe	87
PID 3692 wrote to memory of 4132	3692	omsecor.exe	105
PID 3692 wrote to memory of 4132	3692	omsecor.exe	105
PID 3692 wrote to memory of 4132	3692	omsecor.exe	105
PID 4132 wrote to memory of 3924	4132	omsecor.exe	106
PID 4132 wrote to memory of 3924	4132	omsecor.exe	106
PID 4132 wrote to memory of 3924	4132	omsecor.exe	106
PID 4132 wrote to memory of 3924	4132	omsecor.exe	106
PID 4132 wrote to memory of 3924	4132	omsecor.exe	106
PID 3924 wrote to memory of 2480	3924	omsecor.exe	108
PID 3924 wrote to memory of 2480	3924	omsecor.exe	108
PID 3924 wrote to memory of 2480	3924	omsecor.exe	108
PID 2480 wrote to memory of 736	2480	omsecor.exe	110
PID 2480 wrote to memory of 736	2480	omsecor.exe	110
PID 2480 wrote to memory of 736	2480	omsecor.exe	110
PID 2480 wrote to memory of 736	2480	omsecor.exe	110
PID 2480 wrote to memory of 736	2480	omsecor.exe	110

C:\Users\Admin\AppData\Local\Temp\b2f9a02219b4b162c31705db3ec8bb79388aca4082eaac8b43ee3118b31ce800.exe
"C:\Users\Admin\AppData\Local\Temp\b2f9a02219b4b162c31705db3ec8bb79388aca4082eaac8b43ee3118b31ce800.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Users\Admin\AppData\Local\Temp\b2f9a02219b4b162c31705db3ec8bb79388aca4082eaac8b43ee3118b31ce800.exe
  C:\Users\Admin\AppData\Local\Temp\b2f9a02219b4b162c31705db3ec8bb79388aca4082eaac8b43ee3118b31ce800.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3920
- - 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:1472
  - - 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:3692
    - - 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:4132
      - 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:3924
        
        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:2480
        
        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:736
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2480 -s 268
        8⤵
        Program crash
        
        PID:4328
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4132 -s 292
        6⤵
        Program crash
        
        PID:1360
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 296
      4⤵
      Program crash
      PID:3308
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 300
  2⤵
  - Program crash
  PID:4176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2068 -ip 2068
1⤵
PID:1884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1472 -ip 1472
1⤵
PID:2016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4132 -ip 4132
1⤵
PID:4712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2480 -ip 2480
1⤵
PID:3284

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
a12fb481a3f0c88b513ee8b0d641eb32

SHA1
70fe3fd22895b1fc06ae424960c06e4e56b61a69

SHA256
dde796b9c80a4c3b8b52a7be1ef601d457315d97c5d570fb487e00dce035a307

SHA512
a01f97e74616e603822e25c2ccd6f278722d4e8429d4e53fbf11d8af3e3998ea1ae8d8a5af266c550a1a50ec3bf72f270cb5bc994c6caa006e663627fb9d7943

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

Filesize
96KB

MD5
b24981b44a7ce916ee50d664700b36fb

SHA1
8021be721a8e81cc93dd12b1daf5aaf2981f81ae

SHA256
5898e3aa8f9867dab01d71e51a55dc2e70de41569f9a451b14090b67448cd957

SHA512
6bf7809a09d4ea8c74d9ef6cb8b4eb6aa82dd239824a593c5a4d10608076bc6c1cdf0bf9a4043da6d23b73e3657a811fb6255ee109587ef4a8f7e81fce9f5a2b

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

Filesize
96KB

MD5
e08f09b767a326b345096228f52bf1ee

SHA1
833382959c9321714d1da49c9b94e2abe80682db

SHA256
def0a7b9ee904a4297633bcaff8344891c458426d16741f5b875067b0425d03d

SHA512
78f1996b030a76a67b8decaed3352d2a2bb9dda7a12d4bc75926da00bfcbf2321460b116cad759fcde3b2a608bf1aee3c654c227ef68833223128ce5bd78bfac

Download Submit
memory/736-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/736-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/736-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/736-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1472-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1472-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2068-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2068-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2480-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2480-53-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3692-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3692-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3692-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3692-31-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3692-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3692-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3692-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3920-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3920-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3920-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3920-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3924-42-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3924-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3924-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4132-33-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4132-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download