neconyd | a4eb1196040e7f78b601645c9906246f1b688566b61cb11fcf3882215d5b4380

Analysis

max time kernel
146s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2025 17:42

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General

Target

a4eb1196040e7f78b601645c9906246f1b688566b61cb11fcf3882215d5b4380.exe
Size

134KB
MD5

0a197348ada0a4dbe7930fa2d7661220
SHA1

a5422ec34634bffcd6c46770c73015b2fda886dc
SHA256

a4eb1196040e7f78b601645c9906246f1b688566b61cb11fcf3882215d5b4380
SHA512

90fe6f284f79058ffa792217562c2062f5d17dc0fe1543dbfb02c604519e0fa6c9ee0783bdb2b6edf3a21d0aa39ad106a49f8e807a396c9d630b7bc29fc83cb3
SSDEEP

1536:GDfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCin:4iRTeH0iqAW6J6f1tqF6dngNmaZCiaI

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
1388	omsecor.exe
1140	omsecor.exe
3700	omsecor.exe
4964	omsecor.exe
4408	omsecor.exe
1752	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 3172 set thread context of 4396	3172	a4eb1196040e7f78b601645c9906246f1b688566b61cb11fcf3882215d5b4380.exe	85
PID 1388 set thread context of 1140	1388	omsecor.exe	89
PID 3700 set thread context of 4964	3700	omsecor.exe	110
PID 4408 set thread context of 1752	4408	omsecor.exe	114

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4280	1388	WerFault.exe	87
2824	3172	WerFault.exe	84
3480	3700	WerFault.exe	109
2980	4408	WerFault.exe	112

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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a4eb1196040e7f78b601645c9906246f1b688566b61cb11fcf3882215d5b4380.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a4eb1196040e7f78b601645c9906246f1b688566b61cb11fcf3882215d5b4380.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 4396	3172	a4eb1196040e7f78b601645c9906246f1b688566b61cb11fcf3882215d5b4380.exe	85
PID 3172 wrote to memory of 4396	3172	a4eb1196040e7f78b601645c9906246f1b688566b61cb11fcf3882215d5b4380.exe	85
PID 3172 wrote to memory of 4396	3172	a4eb1196040e7f78b601645c9906246f1b688566b61cb11fcf3882215d5b4380.exe	85
PID 3172 wrote to memory of 4396	3172	a4eb1196040e7f78b601645c9906246f1b688566b61cb11fcf3882215d5b4380.exe	85
PID 3172 wrote to memory of 4396	3172	a4eb1196040e7f78b601645c9906246f1b688566b61cb11fcf3882215d5b4380.exe	85
PID 4396 wrote to memory of 1388	4396	a4eb1196040e7f78b601645c9906246f1b688566b61cb11fcf3882215d5b4380.exe	87
PID 4396 wrote to memory of 1388	4396	a4eb1196040e7f78b601645c9906246f1b688566b61cb11fcf3882215d5b4380.exe	87
PID 4396 wrote to memory of 1388	4396	a4eb1196040e7f78b601645c9906246f1b688566b61cb11fcf3882215d5b4380.exe	87
PID 1388 wrote to memory of 1140	1388	omsecor.exe	89
PID 1388 wrote to memory of 1140	1388	omsecor.exe	89
PID 1388 wrote to memory of 1140	1388	omsecor.exe	89
PID 1388 wrote to memory of 1140	1388	omsecor.exe	89
PID 1388 wrote to memory of 1140	1388	omsecor.exe	89
PID 1140 wrote to memory of 3700	1140	omsecor.exe	109
PID 1140 wrote to memory of 3700	1140	omsecor.exe	109
PID 1140 wrote to memory of 3700	1140	omsecor.exe	109
PID 3700 wrote to memory of 4964	3700	omsecor.exe	110
PID 3700 wrote to memory of 4964	3700	omsecor.exe	110
PID 3700 wrote to memory of 4964	3700	omsecor.exe	110
PID 3700 wrote to memory of 4964	3700	omsecor.exe	110
PID 3700 wrote to memory of 4964	3700	omsecor.exe	110
PID 4964 wrote to memory of 4408	4964	omsecor.exe	112
PID 4964 wrote to memory of 4408	4964	omsecor.exe	112
PID 4964 wrote to memory of 4408	4964	omsecor.exe	112
PID 4408 wrote to memory of 1752	4408	omsecor.exe	114
PID 4408 wrote to memory of 1752	4408	omsecor.exe	114
PID 4408 wrote to memory of 1752	4408	omsecor.exe	114
PID 4408 wrote to memory of 1752	4408	omsecor.exe	114
PID 4408 wrote to memory of 1752	4408	omsecor.exe	114

C:\Users\Admin\AppData\Local\Temp\a4eb1196040e7f78b601645c9906246f1b688566b61cb11fcf3882215d5b4380.exe
"C:\Users\Admin\AppData\Local\Temp\a4eb1196040e7f78b601645c9906246f1b688566b61cb11fcf3882215d5b4380.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Users\Admin\AppData\Local\Temp\a4eb1196040e7f78b601645c9906246f1b688566b61cb11fcf3882215d5b4380.exe
  C:\Users\Admin\AppData\Local\Temp\a4eb1196040e7f78b601645c9906246f1b688566b61cb11fcf3882215d5b4380.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4396
- - 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:1388
  - - 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:1140
    - - 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:4964
        
        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:4408
        
        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:1752
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4408 -s 256
        8⤵
        Program crash
        
        PID:2980
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 292
        6⤵
        Program crash
        
        PID:3480
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 288
      4⤵
      Program crash
      PID:4280
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3172 -s 300
  2⤵
  - Program crash
  PID:2824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3172 -ip 3172
1⤵
PID:1664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1388 -ip 1388
1⤵
PID:2256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3700 -ip 3700
1⤵
PID:3868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4408 -ip 4408
1⤵
PID:4268

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
134KB

MD5
9c721c4e93473e7cdb0ec933ccc50578

SHA1
22c71cac2a810d0c433547d1da2d82f2fc226031

SHA256
133a053bc87174191b45023e25664d8f5b9c5817a7f44a2ed386cadef41d92bb

SHA512
529ba1465979a14df5b84784cf835e592a80bd27027b21e09aaa22de023af779c2812137c9877791a626efd31e20731d3b3a55f195ec815cafa23b08a168eebb

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

Filesize
134KB

MD5
35414596d1f915ca0f0f8ccaa1a9429b

SHA1
7d010efce9080f3a25c6df15167d5360b5dbbcb6

SHA256
e31c5b425414540747db8073b025a5d5c1ce71042db27e1bec3b1b520666c2af

SHA512
c32d1a7c9bf7b7ee0158dc98f89025b760895771ed75b13ad0c0f5e5b736c01679ca3c5a48ec9b0b57a83cddbdb949bfb485c57a096bced812a8435dbe21206c

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

Filesize
134KB

MD5
38dcf53f6f7e538e4ca7f6bebdc6252f

SHA1
a2b754fad8d2e516c79d8cb4285d860488fbd09a

SHA256
d1d0ef1b9b4232d401934ad332291e19d0a36dbea11f7911ad325b864d61ff01

SHA512
59e867647f0bdd781c2a2f0bb30fbeac98ca48e090d8b6c9f87af758f0d81af237b2647738b3453a64e3ceb05bcb2985116d8414c1087681fff583a407e0ddf3

Download Submit
memory/1140-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1140-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1140-28-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1140-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1140-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1140-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1140-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1388-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1388-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1752-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1752-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1752-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1752-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3172-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3172-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3700-30-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3700-49-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4396-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4396-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4396-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4396-6-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4408-42-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4964-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4964-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4964-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download