neconyd | f4eb2a1db4fd9e9fdaa1095af21f22d9f14ec4ad1a5c0095c9af48651e3da8bd

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
31-12-2024 11:25

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General

Target

f4eb2a1db4fd9e9fdaa1095af21f22d9f14ec4ad1a5c0095c9af48651e3da8bd.exe
Size

96KB
MD5

3adba6ae7f2b460b4f81ee19b36401bb
SHA1

569c94a9087353c21d68f15d4ee2e6b8ac62bc75
SHA256

f4eb2a1db4fd9e9fdaa1095af21f22d9f14ec4ad1a5c0095c9af48651e3da8bd
SHA512

a6d7694705f84b2824cf66ef8a1b5f780d7dec5d970409be78fcf4d89796330001b3f6831f22c61c7daff800b8a9fc66748bfca163e18b6cce654d3941f1d115
SSDEEP

1536:7nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:7Gs8cd8eXlYairZYqMddH13L

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
1080	omsecor.exe
4144	omsecor.exe
3652	omsecor.exe
1704	omsecor.exe
4128	omsecor.exe
4916	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 516 set thread context of 4712	516	f4eb2a1db4fd9e9fdaa1095af21f22d9f14ec4ad1a5c0095c9af48651e3da8bd.exe	84
PID 1080 set thread context of 4144	1080	omsecor.exe	88
PID 3652 set thread context of 1704	3652	omsecor.exe	102
PID 4128 set thread context of 4916	4128	omsecor.exe	106

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4140	1080	WerFault.exe	86
1552	516	WerFault.exe	83
372	3652	WerFault.exe	101
4952	4128	WerFault.exe	104

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	f4eb2a1db4fd9e9fdaa1095af21f22d9f14ec4ad1a5c0095c9af48651e3da8bd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f4eb2a1db4fd9e9fdaa1095af21f22d9f14ec4ad1a5c0095c9af48651e3da8bd.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 516 wrote to memory of 4712	516	f4eb2a1db4fd9e9fdaa1095af21f22d9f14ec4ad1a5c0095c9af48651e3da8bd.exe	84
PID 516 wrote to memory of 4712	516	f4eb2a1db4fd9e9fdaa1095af21f22d9f14ec4ad1a5c0095c9af48651e3da8bd.exe	84
PID 516 wrote to memory of 4712	516	f4eb2a1db4fd9e9fdaa1095af21f22d9f14ec4ad1a5c0095c9af48651e3da8bd.exe	84
PID 516 wrote to memory of 4712	516	f4eb2a1db4fd9e9fdaa1095af21f22d9f14ec4ad1a5c0095c9af48651e3da8bd.exe	84
PID 516 wrote to memory of 4712	516	f4eb2a1db4fd9e9fdaa1095af21f22d9f14ec4ad1a5c0095c9af48651e3da8bd.exe	84
PID 4712 wrote to memory of 1080	4712	f4eb2a1db4fd9e9fdaa1095af21f22d9f14ec4ad1a5c0095c9af48651e3da8bd.exe	86
PID 4712 wrote to memory of 1080	4712	f4eb2a1db4fd9e9fdaa1095af21f22d9f14ec4ad1a5c0095c9af48651e3da8bd.exe	86
PID 4712 wrote to memory of 1080	4712	f4eb2a1db4fd9e9fdaa1095af21f22d9f14ec4ad1a5c0095c9af48651e3da8bd.exe	86
PID 1080 wrote to memory of 4144	1080	omsecor.exe	88
PID 1080 wrote to memory of 4144	1080	omsecor.exe	88
PID 1080 wrote to memory of 4144	1080	omsecor.exe	88
PID 1080 wrote to memory of 4144	1080	omsecor.exe	88
PID 1080 wrote to memory of 4144	1080	omsecor.exe	88
PID 4144 wrote to memory of 3652	4144	omsecor.exe	101
PID 4144 wrote to memory of 3652	4144	omsecor.exe	101
PID 4144 wrote to memory of 3652	4144	omsecor.exe	101
PID 3652 wrote to memory of 1704	3652	omsecor.exe	102
PID 3652 wrote to memory of 1704	3652	omsecor.exe	102
PID 3652 wrote to memory of 1704	3652	omsecor.exe	102
PID 3652 wrote to memory of 1704	3652	omsecor.exe	102
PID 3652 wrote to memory of 1704	3652	omsecor.exe	102
PID 1704 wrote to memory of 4128	1704	omsecor.exe	104
PID 1704 wrote to memory of 4128	1704	omsecor.exe	104
PID 1704 wrote to memory of 4128	1704	omsecor.exe	104
PID 4128 wrote to memory of 4916	4128	omsecor.exe	106
PID 4128 wrote to memory of 4916	4128	omsecor.exe	106
PID 4128 wrote to memory of 4916	4128	omsecor.exe	106
PID 4128 wrote to memory of 4916	4128	omsecor.exe	106
PID 4128 wrote to memory of 4916	4128	omsecor.exe	106

C:\Users\Admin\AppData\Local\Temp\f4eb2a1db4fd9e9fdaa1095af21f22d9f14ec4ad1a5c0095c9af48651e3da8bd.exe
"C:\Users\Admin\AppData\Local\Temp\f4eb2a1db4fd9e9fdaa1095af21f22d9f14ec4ad1a5c0095c9af48651e3da8bd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:516
- C:\Users\Admin\AppData\Local\Temp\f4eb2a1db4fd9e9fdaa1095af21f22d9f14ec4ad1a5c0095c9af48651e3da8bd.exe
  C:\Users\Admin\AppData\Local\Temp\f4eb2a1db4fd9e9fdaa1095af21f22d9f14ec4ad1a5c0095c9af48651e3da8bd.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4712
- - 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:1080
  - - 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:4144
    - - 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:3652
      - 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:1704
        
        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:4128
        
        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:4916
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4128 -s 256
        8⤵
        Program crash
        
        PID:4952
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3652 -s 292
        6⤵
        Program crash
        
        PID:372
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1080 -s 264
      4⤵
      Program crash
      PID:4140
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 516 -s 300
  2⤵
  - Program crash
  PID:1552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 516 -ip 516
1⤵
PID:1540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1080 -ip 1080
1⤵
PID:744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3652 -ip 3652
1⤵
PID:4840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4128 -ip 4128
1⤵
PID:4520

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
80a56363f6b5dac9a731472f8396ad7e

SHA1
8c3562601a8b400dda8b6269821cef081e15b0a3

SHA256
a014c18c024d4af199644c3f258ade5062330094b65833b2ecc8042d05441a02

SHA512
109191a846049f4be52b5a8332d7ea90e3d7687c354f5e1d169c516e642e4383fcbc1a2df3a4d113469f738b1d87db03cd8045b5186186b6b65b37c6d4d2bd97

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

Filesize
96KB

MD5
58feb5f50dc2105b23aa4a2782f3cefe

SHA1
5bee646c5bc19c249ea4d412a85ea80e5351674b

SHA256
eb588dd9111342ff71a40b79e92098d703062f033987ad4861ee65b66946d194

SHA512
9f5a18b2d2aa53de207f14e192dbcc45db2851cf5f4b518bc7523617e47bed52407d21c9926d4b45e6a27657479d1037fefcbfaf39d881fc2e5b7830f66ad0ee

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

Filesize
96KB

MD5
b9004f24e30199a7fd64cca0897a2bc0

SHA1
575a5de3bf2f19a2597c38746cd5019525724222

SHA256
1136148ce75459c99bc448a34979350713544d79003ddcf6957007b7e1c06b94

SHA512
7b0ad1c6601ba9d90de249cd95c2625a823309ac8846fd82ae18a9a440acfd6c7500b2bce84e8460c4d57e4da80c3049c97f62358ad97feb16ea1d9352cf1b0c

Download Submit
memory/516-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/516-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1080-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1080-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1704-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1704-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1704-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3652-33-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3652-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4128-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4144-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4144-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4144-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4144-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4144-31-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4144-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4144-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4712-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4712-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4712-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4712-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4916-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4916-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4916-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download