neconyd | e99981ec088fb15d0d809a753cdd9a9b7ea91fff3cd80a4c49b275e82d11ceb1

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
02-02-2025 16:38

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General

Target

e99981ec088fb15d0d809a753cdd9a9b7ea91fff3cd80a4c49b275e82d11ceb1N.exe
Size

96KB
MD5

edb0f3c415f5f4d166acffcd3fe73d90
SHA1

e419242d88054f65467983b78bf7ffed4cae44d2
SHA256

e99981ec088fb15d0d809a753cdd9a9b7ea91fff3cd80a4c49b275e82d11ceb1
SHA512

89da9f72f78ac9c2034d378793771963a207871ca82ec6742bcb12a92ee41c8b3e89d9104ee58a993b7ecf85f75c2fb00a22e04a3dd747f768b1cb6c6ddc6457
SSDEEP

1536:JnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:JGs8cd8eXlYairZYqMddH13L

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
5008	omsecor.exe
2644	omsecor.exe
4948	omsecor.exe
3256	omsecor.exe
4876	omsecor.exe
320	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 2940 set thread context of 4072	2940	e99981ec088fb15d0d809a753cdd9a9b7ea91fff3cd80a4c49b275e82d11ceb1N.exe	82
PID 5008 set thread context of 2644	5008	omsecor.exe	87
PID 4948 set thread context of 3256	4948	omsecor.exe	100
PID 4876 set thread context of 320	4876	omsecor.exe	103

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1564	2940	WerFault.exe	81
716	5008	WerFault.exe	85
2028	4948	WerFault.exe	99
2268	4876	WerFault.exe	102

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	e99981ec088fb15d0d809a753cdd9a9b7ea91fff3cd80a4c49b275e82d11ceb1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e99981ec088fb15d0d809a753cdd9a9b7ea91fff3cd80a4c49b275e82d11ceb1N.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 2940 wrote to memory of 4072	2940	e99981ec088fb15d0d809a753cdd9a9b7ea91fff3cd80a4c49b275e82d11ceb1N.exe	82
PID 2940 wrote to memory of 4072	2940	e99981ec088fb15d0d809a753cdd9a9b7ea91fff3cd80a4c49b275e82d11ceb1N.exe	82
PID 2940 wrote to memory of 4072	2940	e99981ec088fb15d0d809a753cdd9a9b7ea91fff3cd80a4c49b275e82d11ceb1N.exe	82
PID 2940 wrote to memory of 4072	2940	e99981ec088fb15d0d809a753cdd9a9b7ea91fff3cd80a4c49b275e82d11ceb1N.exe	82
PID 2940 wrote to memory of 4072	2940	e99981ec088fb15d0d809a753cdd9a9b7ea91fff3cd80a4c49b275e82d11ceb1N.exe	82
PID 4072 wrote to memory of 5008	4072	e99981ec088fb15d0d809a753cdd9a9b7ea91fff3cd80a4c49b275e82d11ceb1N.exe	85
PID 4072 wrote to memory of 5008	4072	e99981ec088fb15d0d809a753cdd9a9b7ea91fff3cd80a4c49b275e82d11ceb1N.exe	85
PID 4072 wrote to memory of 5008	4072	e99981ec088fb15d0d809a753cdd9a9b7ea91fff3cd80a4c49b275e82d11ceb1N.exe	85
PID 5008 wrote to memory of 2644	5008	omsecor.exe	87
PID 5008 wrote to memory of 2644	5008	omsecor.exe	87
PID 5008 wrote to memory of 2644	5008	omsecor.exe	87
PID 5008 wrote to memory of 2644	5008	omsecor.exe	87
PID 5008 wrote to memory of 2644	5008	omsecor.exe	87
PID 2644 wrote to memory of 4948	2644	omsecor.exe	99
PID 2644 wrote to memory of 4948	2644	omsecor.exe	99
PID 2644 wrote to memory of 4948	2644	omsecor.exe	99
PID 4948 wrote to memory of 3256	4948	omsecor.exe	100
PID 4948 wrote to memory of 3256	4948	omsecor.exe	100
PID 4948 wrote to memory of 3256	4948	omsecor.exe	100
PID 4948 wrote to memory of 3256	4948	omsecor.exe	100
PID 4948 wrote to memory of 3256	4948	omsecor.exe	100
PID 3256 wrote to memory of 4876	3256	omsecor.exe	102
PID 3256 wrote to memory of 4876	3256	omsecor.exe	102
PID 3256 wrote to memory of 4876	3256	omsecor.exe	102
PID 4876 wrote to memory of 320	4876	omsecor.exe	103
PID 4876 wrote to memory of 320	4876	omsecor.exe	103
PID 4876 wrote to memory of 320	4876	omsecor.exe	103
PID 4876 wrote to memory of 320	4876	omsecor.exe	103
PID 4876 wrote to memory of 320	4876	omsecor.exe	103

C:\Users\Admin\AppData\Local\Temp\e99981ec088fb15d0d809a753cdd9a9b7ea91fff3cd80a4c49b275e82d11ceb1N.exe
"C:\Users\Admin\AppData\Local\Temp\e99981ec088fb15d0d809a753cdd9a9b7ea91fff3cd80a4c49b275e82d11ceb1N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Users\Admin\AppData\Local\Temp\e99981ec088fb15d0d809a753cdd9a9b7ea91fff3cd80a4c49b275e82d11ceb1N.exe
  C:\Users\Admin\AppData\Local\Temp\e99981ec088fb15d0d809a753cdd9a9b7ea91fff3cd80a4c49b275e82d11ceb1N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4072
- - 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:5008
  - - 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:2644
    - - 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:4948
      - 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:3256
        
        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:4876
        
        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:320
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 268
        8⤵
        Program crash
        
        PID:2268
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 292
        6⤵
        Program crash
        
        PID:2028
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5008 -s 284
      4⤵
      Program crash
      PID:716
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2940 -s 292
  2⤵
  - Program crash
  PID:1564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2940 -ip 2940
1⤵
PID:4808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 5008 -ip 5008
1⤵
PID:3840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4948 -ip 4948
1⤵
PID:1728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4876 -ip 4876
1⤵
PID:1532

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
b2dfa2a4c67dacee0549a544136e5bc8

SHA1
dd04ba3a0c9ed83f2ccf752f8de128888a26d847

SHA256
7feacaee53440cbf53352da6e433d87005f8df96ceed9b0e33234ae0d510f925

SHA512
d8cacb2587ffcaa50a4c442a1c80e5f071834740087710a6de4cee45323c3dd9191e6956cd62aa9f798945acf6a186efab2a35fa54108ef8c54d054d828c9813

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

Filesize
96KB

MD5
16514339d94adcfc81b071a6b641fd77

SHA1
b65bfcb85d7b2076db6bb3041b3ec376addef975

SHA256
c60aa17e6b825598e631162dfa3930fe134221fb80c6f973a0390cb3596ed86e

SHA512
ece5b17dd12ada53573852b413a3ea4c3f91d2296c29923e38fbb1ab268e9a16e60a05edcfc32c4f35280640c494bbcdd70e42b031843063feb201c69807cdf9

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

Filesize
96KB

MD5
2be1174e124cb6272fe2def4d8e9aa46

SHA1
1080b54e5d49e2fe02b07edf93509398a96550a1

SHA256
87304c1d764777d4ec68da08941b3aecfa285c1f30d0d8385e8272d16807e916

SHA512
268bab6c6f37010e76322042ef47831a25ecdf05cfacf144999a3621896893ba7f48af2307d348d5be8b3612a2e18c9a63e7fed9702fd8e2ef475a0246d36907

Download Submit
memory/320-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/320-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/320-52-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2644-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2644-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2644-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2644-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2644-28-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2644-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2644-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2940-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2940-16-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3256-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3256-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3256-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4072-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4072-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4072-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4072-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4876-43-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4948-30-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4948-50-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/5008-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/5008-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download