neconyd | 66319b5acaf19922c0f24db2948aed1cd2d6c27bb0b0dbf57dece7dad2bbf641

Analysis

max time kernel
148s
max time network
151s
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 22:42

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General

Target

66319b5acaf19922c0f24db2948aed1cd2d6c27bb0b0dbf57dece7dad2bbf641.exe
Size

96KB
MD5

69dfdeca39d9c50c13a487d64817e3e6
SHA1

eacdde8c1248aca68d777f9994f2e0a04932c089
SHA256

66319b5acaf19922c0f24db2948aed1cd2d6c27bb0b0dbf57dece7dad2bbf641
SHA512

ff2b8bb45c5828acbff4e8af00259c4da4d197ea13a364701d5da82b0622fe6b5c2a1afe25ef0cede413252749d4f185d53ac673775397476ada3b90e0157c56
SSDEEP

1536:AnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxr:AGs8cd8eXlYairZYqMddH13r

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
4020	omsecor.exe
1240	omsecor.exe
1844	omsecor.exe
1680	omsecor.exe
4164	omsecor.exe
4428	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 868 set thread context of 3744	868	66319b5acaf19922c0f24db2948aed1cd2d6c27bb0b0dbf57dece7dad2bbf641.exe	83
PID 4020 set thread context of 1240	4020	omsecor.exe	88
PID 1844 set thread context of 1680	1844	omsecor.exe	109
PID 4164 set thread context of 4428	4164	omsecor.exe	113

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3480	868	WerFault.exe	82
3856	4020	WerFault.exe	86
1900	1844	WerFault.exe	108
532	4164	WerFault.exe	111

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	66319b5acaf19922c0f24db2948aed1cd2d6c27bb0b0dbf57dece7dad2bbf641.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	66319b5acaf19922c0f24db2948aed1cd2d6c27bb0b0dbf57dece7dad2bbf641.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

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 3744	868	66319b5acaf19922c0f24db2948aed1cd2d6c27bb0b0dbf57dece7dad2bbf641.exe	83
PID 868 wrote to memory of 3744	868	66319b5acaf19922c0f24db2948aed1cd2d6c27bb0b0dbf57dece7dad2bbf641.exe	83
PID 868 wrote to memory of 3744	868	66319b5acaf19922c0f24db2948aed1cd2d6c27bb0b0dbf57dece7dad2bbf641.exe	83
PID 868 wrote to memory of 3744	868	66319b5acaf19922c0f24db2948aed1cd2d6c27bb0b0dbf57dece7dad2bbf641.exe	83
PID 868 wrote to memory of 3744	868	66319b5acaf19922c0f24db2948aed1cd2d6c27bb0b0dbf57dece7dad2bbf641.exe	83
PID 3744 wrote to memory of 4020	3744	66319b5acaf19922c0f24db2948aed1cd2d6c27bb0b0dbf57dece7dad2bbf641.exe	86
PID 3744 wrote to memory of 4020	3744	66319b5acaf19922c0f24db2948aed1cd2d6c27bb0b0dbf57dece7dad2bbf641.exe	86
PID 3744 wrote to memory of 4020	3744	66319b5acaf19922c0f24db2948aed1cd2d6c27bb0b0dbf57dece7dad2bbf641.exe	86
PID 4020 wrote to memory of 1240	4020	omsecor.exe	88
PID 4020 wrote to memory of 1240	4020	omsecor.exe	88
PID 4020 wrote to memory of 1240	4020	omsecor.exe	88
PID 4020 wrote to memory of 1240	4020	omsecor.exe	88
PID 4020 wrote to memory of 1240	4020	omsecor.exe	88
PID 1240 wrote to memory of 1844	1240	omsecor.exe	108
PID 1240 wrote to memory of 1844	1240	omsecor.exe	108
PID 1240 wrote to memory of 1844	1240	omsecor.exe	108
PID 1844 wrote to memory of 1680	1844	omsecor.exe	109
PID 1844 wrote to memory of 1680	1844	omsecor.exe	109
PID 1844 wrote to memory of 1680	1844	omsecor.exe	109
PID 1844 wrote to memory of 1680	1844	omsecor.exe	109
PID 1844 wrote to memory of 1680	1844	omsecor.exe	109
PID 1680 wrote to memory of 4164	1680	omsecor.exe	111
PID 1680 wrote to memory of 4164	1680	omsecor.exe	111
PID 1680 wrote to memory of 4164	1680	omsecor.exe	111
PID 4164 wrote to memory of 4428	4164	omsecor.exe	113
PID 4164 wrote to memory of 4428	4164	omsecor.exe	113
PID 4164 wrote to memory of 4428	4164	omsecor.exe	113
PID 4164 wrote to memory of 4428	4164	omsecor.exe	113
PID 4164 wrote to memory of 4428	4164	omsecor.exe	113

C:\Users\Admin\AppData\Local\Temp\66319b5acaf19922c0f24db2948aed1cd2d6c27bb0b0dbf57dece7dad2bbf641.exe
"C:\Users\Admin\AppData\Local\Temp\66319b5acaf19922c0f24db2948aed1cd2d6c27bb0b0dbf57dece7dad2bbf641.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:868
- C:\Users\Admin\AppData\Local\Temp\66319b5acaf19922c0f24db2948aed1cd2d6c27bb0b0dbf57dece7dad2bbf641.exe
  C:\Users\Admin\AppData\Local\Temp\66319b5acaf19922c0f24db2948aed1cd2d6c27bb0b0dbf57dece7dad2bbf641.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3744
- - 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:4020
  - - 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:1240
    - - 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:1844
      - 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:1680
        
        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:4164
        
        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:4428
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4164 -s 240
        8⤵
        Program crash
        
        PID:532
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 292
        6⤵
        Program crash
        
        PID:1900
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 288
      4⤵
      Program crash
      PID:3856
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 868 -s 288
  2⤵
  - Program crash
  PID:3480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 868 -ip 868
1⤵
PID:3204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4020 -ip 4020
1⤵
PID:5044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1844 -ip 1844
1⤵
PID:4312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4164 -ip 4164
1⤵
PID:384

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
e66d35e0820cb26ab9823fc37a89c943

SHA1
71a7b85880061c1a7194b97aed95543e2929cdd4

SHA256
c51f5f3451574db95d5da9e5fd0523c9e1c8497b208678d694bcfecdc4b34498

SHA512
88dd3bc31c4d6c683e6dc5005e475497a6acbfbac1495b7a0ad9670ba4708c62cb64d683059f9db81f507dcd21979f6f7a286c25de883b989806224987330355

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

Filesize
96KB

MD5
1fde71e7b172e9638fcc96499842737b

SHA1
95b7b117829be53fccd18ceb5d15b68b8ce1b6cd

SHA256
ccbc9e568b7585662c249e85dcc822b2eccbc3223b0f69a835a306f2711f67c0

SHA512
84183aefb0a92831c1183665b5d66c5cdc15787a24bf9e258f2fbf0743fddf27c099af510881a615314071d4b1e4517e7f82b918dacd639828498a402e37821d

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

Filesize
96KB

MD5
17746266a1ef9bdc5c9c604608491f7a

SHA1
5aa552ae533f34e040f7f8719dd398f12e1d65e2

SHA256
7ce7783f9a735d1ce2f53ac99c0a572e67a645029cc58ee2ae55b59734d221c8

SHA512
98bc5f6f4cfc35e77ceab0f4cc2c20cd16239208135fe95700c1b4a59a0c6ca03ffaeb801d7a45590d0b6fb0df868ef000fb442fc96f82f011e8a7db22711fb3

Download Submit
memory/868-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/868-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1240-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1240-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1240-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1240-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1240-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1240-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1240-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1680-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1680-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1680-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1844-33-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1844-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3744-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3744-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3744-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3744-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4020-9-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4020-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4164-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4428-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4428-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4428-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4428-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download