neconyd | 59a8077f411ce233f7c26cf78db2299c8f4049aa30c8d143307c75987442f250

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
22-01-2025 08:05

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General

Target

59a8077f411ce233f7c26cf78db2299c8f4049aa30c8d143307c75987442f250N.exe
Size

96KB
MD5

8b2b21eebd1bb8f8765fff013b065ad0
SHA1

d838fa05cc4652376e0af6ec511417e5be1b68a3
SHA256

59a8077f411ce233f7c26cf78db2299c8f4049aa30c8d143307c75987442f250
SHA512

d5e7ceac818d5cd23e53e999ce4f6633aaa4bfdb0838a3d59e11d1827fcab1d2d226fcab129a0a09a32c95fb672c08e3b2b843ef711c9ae6e60f3ad627df68dd
SSDEEP

1536:xnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:xGs8cd8eXlYairZYqMddH13L

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
3964	omsecor.exe
4232	omsecor.exe
3036	omsecor.exe
4416	omsecor.exe
5080	omsecor.exe
4100	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 2760 set thread context of 4916	2760	59a8077f411ce233f7c26cf78db2299c8f4049aa30c8d143307c75987442f250N.exe	83
PID 3964 set thread context of 4232	3964	omsecor.exe	87
PID 3036 set thread context of 4416	3036	omsecor.exe	108
PID 5080 set thread context of 4100	5080	omsecor.exe	111

Program crash 4 IoCs

pid	pid_target	Process	procid_target
1772	2760	WerFault.exe	82
1680	3964	WerFault.exe	85
3292	5080	WerFault.exe	110
2228	3036	WerFault.exe	107

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	59a8077f411ce233f7c26cf78db2299c8f4049aa30c8d143307c75987442f250N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	59a8077f411ce233f7c26cf78db2299c8f4049aa30c8d143307c75987442f250N.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 2760 wrote to memory of 4916	2760	59a8077f411ce233f7c26cf78db2299c8f4049aa30c8d143307c75987442f250N.exe	83
PID 2760 wrote to memory of 4916	2760	59a8077f411ce233f7c26cf78db2299c8f4049aa30c8d143307c75987442f250N.exe	83
PID 2760 wrote to memory of 4916	2760	59a8077f411ce233f7c26cf78db2299c8f4049aa30c8d143307c75987442f250N.exe	83
PID 2760 wrote to memory of 4916	2760	59a8077f411ce233f7c26cf78db2299c8f4049aa30c8d143307c75987442f250N.exe	83
PID 2760 wrote to memory of 4916	2760	59a8077f411ce233f7c26cf78db2299c8f4049aa30c8d143307c75987442f250N.exe	83
PID 4916 wrote to memory of 3964	4916	59a8077f411ce233f7c26cf78db2299c8f4049aa30c8d143307c75987442f250N.exe	85
PID 4916 wrote to memory of 3964	4916	59a8077f411ce233f7c26cf78db2299c8f4049aa30c8d143307c75987442f250N.exe	85
PID 4916 wrote to memory of 3964	4916	59a8077f411ce233f7c26cf78db2299c8f4049aa30c8d143307c75987442f250N.exe	85
PID 3964 wrote to memory of 4232	3964	omsecor.exe	87
PID 3964 wrote to memory of 4232	3964	omsecor.exe	87
PID 3964 wrote to memory of 4232	3964	omsecor.exe	87
PID 3964 wrote to memory of 4232	3964	omsecor.exe	87
PID 3964 wrote to memory of 4232	3964	omsecor.exe	87
PID 4232 wrote to memory of 3036	4232	omsecor.exe	107
PID 4232 wrote to memory of 3036	4232	omsecor.exe	107
PID 4232 wrote to memory of 3036	4232	omsecor.exe	107
PID 3036 wrote to memory of 4416	3036	omsecor.exe	108
PID 3036 wrote to memory of 4416	3036	omsecor.exe	108
PID 3036 wrote to memory of 4416	3036	omsecor.exe	108
PID 3036 wrote to memory of 4416	3036	omsecor.exe	108
PID 3036 wrote to memory of 4416	3036	omsecor.exe	108
PID 4416 wrote to memory of 5080	4416	omsecor.exe	110
PID 4416 wrote to memory of 5080	4416	omsecor.exe	110
PID 4416 wrote to memory of 5080	4416	omsecor.exe	110
PID 5080 wrote to memory of 4100	5080	omsecor.exe	111
PID 5080 wrote to memory of 4100	5080	omsecor.exe	111
PID 5080 wrote to memory of 4100	5080	omsecor.exe	111
PID 5080 wrote to memory of 4100	5080	omsecor.exe	111
PID 5080 wrote to memory of 4100	5080	omsecor.exe	111

C:\Users\Admin\AppData\Local\Temp\59a8077f411ce233f7c26cf78db2299c8f4049aa30c8d143307c75987442f250N.exe
"C:\Users\Admin\AppData\Local\Temp\59a8077f411ce233f7c26cf78db2299c8f4049aa30c8d143307c75987442f250N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Users\Admin\AppData\Local\Temp\59a8077f411ce233f7c26cf78db2299c8f4049aa30c8d143307c75987442f250N.exe
  C:\Users\Admin\AppData\Local\Temp\59a8077f411ce233f7c26cf78db2299c8f4049aa30c8d143307c75987442f250N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4916
- - 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:3964
  - - 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:4232
    - - 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:3036
      - 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:4416
        
        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:5080
        
        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:4100
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 268
        8⤵
        Program crash
        
        PID:3292
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 292
        6⤵
        Program crash
        
        PID:2228
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 288
      4⤵
      Program crash
      PID:1680
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 288
  2⤵
  - Program crash
  PID:1772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2760 -ip 2760
1⤵
PID:1328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3964 -ip 3964
1⤵
PID:3396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3036 -ip 3036
1⤵
PID:1940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 5080 -ip 5080
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
7a3c80c4b6c92d9a7e2d89176897c667

SHA1
cb405f106900af9f87428faafe23084d2efd7667

SHA256
e05a91f1c457b676290cc51a6859b3c98a67979e3f59927a47960df3feeb29c4

SHA512
5bbc800484ef73d2bbafdbeaaf047d83fbdcbd86b04a004255782ca06a44199091533565b65f44ed132edfe8d6a90079a3594a481a4b2821ca0795b16f68e06e

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

Filesize
96KB

MD5
d50b0bea50f7465cc517056daf3246d6

SHA1
a7951b8b88b403b49fa2d7f90afd3579a634bbb5

SHA256
2ecd9bdc1d1fa15698b152a7d56348423632ba4b0c3b17a7a106081dac5e0abf

SHA512
f4e7faa335caeb3b4a8c2281f5fe5c9cdbbb8c8d9b01640fcf87059f09f89e46a005821c61b5b4ce490a8a0ae4307cd01866b90c68974088411d13132db6692f

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

Filesize
96KB

MD5
c007e7d8ef4098e522f24c155f1d18d6

SHA1
f811fdc0753c358cee27a17311405819e2e087bb

SHA256
d94b8794736543f6e82da0d8f5bb6efa17d104116ed6428efff4c8f0d8ed1ee9

SHA512
7b43cac69a84d0dfa4e080a4569158c1fe0011d1b4488d59802ed7027f0ba8b51e3280b7b5cef7e8ea5499fb9145e2d09684ff8e6dbad3df0f6123e78ac4cbbe

Download Submit
memory/2760-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2760-16-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3036-50-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3036-30-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3964-9-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3964-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4100-51-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4100-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4100-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4232-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4232-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4232-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4232-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4232-28-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4232-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4232-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4416-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4416-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4416-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4916-7-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4916-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4916-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4916-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5080-42-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download