neconyd | e38756b320f67949bc7b2fc64b6858678e156b43317915b7c782e597f698d014

Analysis

max time kernel
115s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 08:56

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General

Target

e38756b320f67949bc7b2fc64b6858678e156b43317915b7c782e597f698d014.exe
Size

96KB
MD5

c5d27f97b4a50dc6a13f45a8ed2a9476
SHA1

dc06bb72c634658d7347009688980b841a8b4899
SHA256

e38756b320f67949bc7b2fc64b6858678e156b43317915b7c782e597f698d014
SHA512

653aabd8a7cf34d9c1f9861152b805d5bb5d2dff119dbb2edcff36784d71055ff4e33de19909e484b41cf96bb7e3b3158e9d9f6726cd923f5194cce4050cbf57
SSDEEP

1536:ZnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxj:ZGs8cd8eXlYairZYqMddH13j

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
3604	omsecor.exe
4140	omsecor.exe
5112	omsecor.exe
2336	omsecor.exe
4352	omsecor.exe
2784	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 540 set thread context of 4612	540	e38756b320f67949bc7b2fc64b6858678e156b43317915b7c782e597f698d014.exe	83
PID 3604 set thread context of 4140	3604	omsecor.exe	88
PID 5112 set thread context of 2336	5112	omsecor.exe	110
PID 4352 set thread context of 2784	4352	omsecor.exe	114

Program crash 4 IoCs

pid	pid_target	Process	procid_target
676	540	WerFault.exe	82
2872	3604	WerFault.exe	85
3828	5112	WerFault.exe	109
3648	4352	WerFault.exe	112

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	e38756b320f67949bc7b2fc64b6858678e156b43317915b7c782e597f698d014.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e38756b320f67949bc7b2fc64b6858678e156b43317915b7c782e597f698d014.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 4612	540	e38756b320f67949bc7b2fc64b6858678e156b43317915b7c782e597f698d014.exe	83
PID 540 wrote to memory of 4612	540	e38756b320f67949bc7b2fc64b6858678e156b43317915b7c782e597f698d014.exe	83
PID 540 wrote to memory of 4612	540	e38756b320f67949bc7b2fc64b6858678e156b43317915b7c782e597f698d014.exe	83
PID 540 wrote to memory of 4612	540	e38756b320f67949bc7b2fc64b6858678e156b43317915b7c782e597f698d014.exe	83
PID 540 wrote to memory of 4612	540	e38756b320f67949bc7b2fc64b6858678e156b43317915b7c782e597f698d014.exe	83
PID 4612 wrote to memory of 3604	4612	e38756b320f67949bc7b2fc64b6858678e156b43317915b7c782e597f698d014.exe	85
PID 4612 wrote to memory of 3604	4612	e38756b320f67949bc7b2fc64b6858678e156b43317915b7c782e597f698d014.exe	85
PID 4612 wrote to memory of 3604	4612	e38756b320f67949bc7b2fc64b6858678e156b43317915b7c782e597f698d014.exe	85
PID 3604 wrote to memory of 4140	3604	omsecor.exe	88
PID 3604 wrote to memory of 4140	3604	omsecor.exe	88
PID 3604 wrote to memory of 4140	3604	omsecor.exe	88
PID 3604 wrote to memory of 4140	3604	omsecor.exe	88
PID 3604 wrote to memory of 4140	3604	omsecor.exe	88
PID 4140 wrote to memory of 5112	4140	omsecor.exe	109
PID 4140 wrote to memory of 5112	4140	omsecor.exe	109
PID 4140 wrote to memory of 5112	4140	omsecor.exe	109
PID 5112 wrote to memory of 2336	5112	omsecor.exe	110
PID 5112 wrote to memory of 2336	5112	omsecor.exe	110
PID 5112 wrote to memory of 2336	5112	omsecor.exe	110
PID 5112 wrote to memory of 2336	5112	omsecor.exe	110
PID 5112 wrote to memory of 2336	5112	omsecor.exe	110
PID 2336 wrote to memory of 4352	2336	omsecor.exe	112
PID 2336 wrote to memory of 4352	2336	omsecor.exe	112
PID 2336 wrote to memory of 4352	2336	omsecor.exe	112
PID 4352 wrote to memory of 2784	4352	omsecor.exe	114
PID 4352 wrote to memory of 2784	4352	omsecor.exe	114
PID 4352 wrote to memory of 2784	4352	omsecor.exe	114
PID 4352 wrote to memory of 2784	4352	omsecor.exe	114
PID 4352 wrote to memory of 2784	4352	omsecor.exe	114

C:\Users\Admin\AppData\Local\Temp\e38756b320f67949bc7b2fc64b6858678e156b43317915b7c782e597f698d014.exe
"C:\Users\Admin\AppData\Local\Temp\e38756b320f67949bc7b2fc64b6858678e156b43317915b7c782e597f698d014.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:540
- C:\Users\Admin\AppData\Local\Temp\e38756b320f67949bc7b2fc64b6858678e156b43317915b7c782e597f698d014.exe
  C:\Users\Admin\AppData\Local\Temp\e38756b320f67949bc7b2fc64b6858678e156b43317915b7c782e597f698d014.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4612
- - 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:3604
  - - 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:4140
    - - 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:5112
      - 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:2336
        
        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:4352
        
        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:2784
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4352 -s 264
        8⤵
        Program crash
        
        PID:3648
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 272
        6⤵
        Program crash
        
        PID:3828
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 292
      4⤵
      Program crash
      PID:2872
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 300
  2⤵
  - Program crash
  PID:676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 540 -ip 540
1⤵
PID:3512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3604 -ip 3604
1⤵
PID:5088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 5112 -ip 5112
1⤵
PID:2684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4352 -ip 4352
1⤵
PID:2924

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

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Downloads

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

Filesize
96KB

MD5
23846fc3863672ed754f54767cea1cfb

SHA1
2370fad30d61584d4e79edb86fdf59ad76f2cd9a

SHA256
4eb42612f2a9aa0eb641949e86fd369a165a38933ec927c616c2a58492684435

SHA512
2c082d260b85b3123bb4b68c2ce2ba43efb908643a59b6d79a1a0e64ec88b6a3264f15cbe1cd8c95ff185759b7ca0039ebbb4efe84c5bbcda95dfee97a2a75ba

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

Filesize
96KB

MD5
76a463c29386e5e016674ab429d6ab87

SHA1
fafc3605f3e8cde84f86429063fd2c242b744b6e

SHA256
9a9e4e81ec8b36ce09cb5595d78a45af9c5dfec692348a8918f6f48285a7f1bc

SHA512
7528f2143a37f83e399a0a41d5f09a0f4c866d78ef2ee8d3a2fb642497caddd663b89766e69696e07f4fd6dc44a5d85b537a70472a17bbd8e0ade856173b31d9

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

Filesize
96KB

MD5
b5930e39d44a9cc8d3c1e5df24682fa0

SHA1
3e1b89c02d4552c64bb12295b6591532006400af

SHA256
58643540fc9f55ef25fad7a0d70240696849dc511d2240afe80393d216ce486d

SHA512
8f79c201775e160dae410579f597dbddc489b0c1b22fccfc0cd09e596360839b40765c5d27095ab2e007878ab82c27515c29df3e7eb8c8f80656783a39afa056

Download Submit
memory/540-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/540-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2336-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2336-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2336-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2784-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2784-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2784-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3604-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3604-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4140-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4140-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4140-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4140-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4140-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4140-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4140-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4352-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4612-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4612-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4612-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4612-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5112-33-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/5112-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download