neconyd | b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2025 07:04

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General

Target

b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
Size

96KB
MD5

606343d6951c53f2035ed0d62ba8c618
SHA1

cd2dd8d2ad3fa6dbf282b61046b4209ee70b8d5f
SHA256

b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99
SHA512

6a06c41361d0c21dc652a0821855c1c45c210078f68ff306e403b56d133b2ff7565c67de78c4f70195adefe26fdc9cbf5df831783766e8b513b5ea33b7cf3478
SSDEEP

1536:3nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxb:3Gs8cd8eXlYairZYqMddH13b

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
3596	omsecor.exe
3544	omsecor.exe
1656	omsecor.exe
3972	omsecor.exe
4136	omsecor.exe
2972	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 3152 set thread context of 552	3152	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	83
PID 3596 set thread context of 3544	3596	omsecor.exe	87
PID 1656 set thread context of 3972	1656	omsecor.exe	107
PID 4136 set thread context of 2972	4136	omsecor.exe	110

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1964	3152	WerFault.exe	82
3040	3596	WerFault.exe	85
376	1656	WerFault.exe	106
4336	4136	WerFault.exe	109

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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3152 wrote to memory of 552	3152	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	83
PID 3152 wrote to memory of 552	3152	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	83
PID 3152 wrote to memory of 552	3152	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	83
PID 3152 wrote to memory of 552	3152	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	83
PID 3152 wrote to memory of 552	3152	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	83
PID 552 wrote to memory of 3596	552	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	85
PID 552 wrote to memory of 3596	552	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	85
PID 552 wrote to memory of 3596	552	b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe	85
PID 3596 wrote to memory of 3544	3596	omsecor.exe	87
PID 3596 wrote to memory of 3544	3596	omsecor.exe	87
PID 3596 wrote to memory of 3544	3596	omsecor.exe	87
PID 3596 wrote to memory of 3544	3596	omsecor.exe	87
PID 3596 wrote to memory of 3544	3596	omsecor.exe	87
PID 3544 wrote to memory of 1656	3544	omsecor.exe	106
PID 3544 wrote to memory of 1656	3544	omsecor.exe	106
PID 3544 wrote to memory of 1656	3544	omsecor.exe	106
PID 1656 wrote to memory of 3972	1656	omsecor.exe	107
PID 1656 wrote to memory of 3972	1656	omsecor.exe	107
PID 1656 wrote to memory of 3972	1656	omsecor.exe	107
PID 1656 wrote to memory of 3972	1656	omsecor.exe	107
PID 1656 wrote to memory of 3972	1656	omsecor.exe	107
PID 3972 wrote to memory of 4136	3972	omsecor.exe	109
PID 3972 wrote to memory of 4136	3972	omsecor.exe	109
PID 3972 wrote to memory of 4136	3972	omsecor.exe	109
PID 4136 wrote to memory of 2972	4136	omsecor.exe	110
PID 4136 wrote to memory of 2972	4136	omsecor.exe	110
PID 4136 wrote to memory of 2972	4136	omsecor.exe	110
PID 4136 wrote to memory of 2972	4136	omsecor.exe	110
PID 4136 wrote to memory of 2972	4136	omsecor.exe	110

C:\Users\Admin\AppData\Local\Temp\b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
"C:\Users\Admin\AppData\Local\Temp\b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3152
- C:\Users\Admin\AppData\Local\Temp\b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
  C:\Users\Admin\AppData\Local\Temp\b939988d47f843e3ab8a126eda09a99eb91c95c8b8ccba952ab2dbb142557f99.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:552
- - 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:3596
  - - 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:3544
    - - 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:1656
      - 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:3972
        
        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:4136
        
        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:2972
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 268
        8⤵
        Program crash
        
        PID:4336
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1656 -s 292
        6⤵
        Program crash
        
        PID:376
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3596 -s 296
      4⤵
      Program crash
      PID:3040
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3152 -s 300
  2⤵
  - Program crash
  PID:1964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3152 -ip 3152
1⤵
PID:3628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3596 -ip 3596
1⤵
PID:1724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1656 -ip 1656
1⤵
PID:2900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4136 -ip 4136
1⤵
PID:1756

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
760ddb0920a0e51047ba33156a839fc1

SHA1
5458c9b174dc4914c68d551649dd293fd6a034e9

SHA256
bd87ab899e27523b3bfae0226b054c6dd6622cf5b124056f1480f0edbbef7446

SHA512
e57c90ced0a9b882c212ce1cc5590b6ee34a18ff6215b7482679e3cf054d2980cec6410fb3cdcfc81df3c7a69cd2a23ed41c67301e0d3b5c4ff959812b7511b2

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

Filesize
96KB

MD5
2f21ddcb3b74b8fef02ab6bcd12a70a7

SHA1
80e3e6070bd26b46cd745193a67b7bf3f4f5925e

SHA256
775d1989558c854244fe8943b6d77122fb51126a2be888a0f920365ad2e6f4d5

SHA512
34b806b6fd70b6e4f31a46757c2bbe29528c22f3197217d195cf3ed37b532ad53c3a08269786c3d8deb9bb9a98b0a3975984db1e35cb0296a91f00e7a29f10e1

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

Filesize
96KB

MD5
8f3dc91d5af614cc9fe4673c9d769a49

SHA1
275c9d4e3ba3e150afc4b95f3b335f27df7a3698

SHA256
9005c2013bbfd1a2f0272bcac9e434e65ade9be807b75d53c1d87eff36878725

SHA512
effa02ea2bc3829a577c609a7c81d9a7727b3b66b5581d1b69f9f924f11f1256f5f1fc2a9b2d1be23f7d1dfd851ae8c2474f5b63134a69e1aa32350a5f43cf9e

Download Submit
memory/552-6-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/552-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/552-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/552-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1656-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1656-34-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2972-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2972-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2972-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2972-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3152-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3152-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3544-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3544-33-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3544-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3544-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3544-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3544-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3544-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3596-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3972-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3972-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3972-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4136-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download