neconyd | 3faa574172a19eba7bdc738abb42ec4a8b35cdc107394872e3026ab366dfc0c3

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, 11:39

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General

Target

3faa574172a19eba7bdc738abb42ec4a8b35cdc107394872e3026ab366dfc0c3N.exe
Size

96KB
MD5

a81d20fbc59985a3b7db87bbfaee5fe0
SHA1

8b7cbd78491f5dbc93c912a7464a9d3baff85ba6
SHA256

3faa574172a19eba7bdc738abb42ec4a8b35cdc107394872e3026ab366dfc0c3
SHA512

035f5e0ef094134c32f47754d3692f36ea88f9ff54c77cdd17c4bef0281b000edf3b5c3d949e00ccb3d0e26b8566114a87ab4590cb8edc6d5a48a301f1f64128
SSDEEP

1536:GnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxb:GGs8cd8eXlYairZYqMddH13b

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
4072	omsecor.exe
3764	omsecor.exe
2768	omsecor.exe
2892	omsecor.exe
2172	omsecor.exe
4584	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 5016 set thread context of 2332	5016	3faa574172a19eba7bdc738abb42ec4a8b35cdc107394872e3026ab366dfc0c3N.exe	83
PID 4072 set thread context of 3764	4072	omsecor.exe	88
PID 2768 set thread context of 2892	2768	omsecor.exe	109
PID 2172 set thread context of 4584	2172	omsecor.exe	113

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3980	5016	WerFault.exe	82
3100	4072	WerFault.exe	86
1876	2768	WerFault.exe	108
2508	2172	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	3faa574172a19eba7bdc738abb42ec4a8b35cdc107394872e3026ab366dfc0c3N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3faa574172a19eba7bdc738abb42ec4a8b35cdc107394872e3026ab366dfc0c3N.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 2332	5016	3faa574172a19eba7bdc738abb42ec4a8b35cdc107394872e3026ab366dfc0c3N.exe	83
PID 5016 wrote to memory of 2332	5016	3faa574172a19eba7bdc738abb42ec4a8b35cdc107394872e3026ab366dfc0c3N.exe	83
PID 5016 wrote to memory of 2332	5016	3faa574172a19eba7bdc738abb42ec4a8b35cdc107394872e3026ab366dfc0c3N.exe	83
PID 5016 wrote to memory of 2332	5016	3faa574172a19eba7bdc738abb42ec4a8b35cdc107394872e3026ab366dfc0c3N.exe	83
PID 5016 wrote to memory of 2332	5016	3faa574172a19eba7bdc738abb42ec4a8b35cdc107394872e3026ab366dfc0c3N.exe	83
PID 2332 wrote to memory of 4072	2332	3faa574172a19eba7bdc738abb42ec4a8b35cdc107394872e3026ab366dfc0c3N.exe	86
PID 2332 wrote to memory of 4072	2332	3faa574172a19eba7bdc738abb42ec4a8b35cdc107394872e3026ab366dfc0c3N.exe	86
PID 2332 wrote to memory of 4072	2332	3faa574172a19eba7bdc738abb42ec4a8b35cdc107394872e3026ab366dfc0c3N.exe	86
PID 4072 wrote to memory of 3764	4072	omsecor.exe	88
PID 4072 wrote to memory of 3764	4072	omsecor.exe	88
PID 4072 wrote to memory of 3764	4072	omsecor.exe	88
PID 4072 wrote to memory of 3764	4072	omsecor.exe	88
PID 4072 wrote to memory of 3764	4072	omsecor.exe	88
PID 3764 wrote to memory of 2768	3764	omsecor.exe	108
PID 3764 wrote to memory of 2768	3764	omsecor.exe	108
PID 3764 wrote to memory of 2768	3764	omsecor.exe	108
PID 2768 wrote to memory of 2892	2768	omsecor.exe	109
PID 2768 wrote to memory of 2892	2768	omsecor.exe	109
PID 2768 wrote to memory of 2892	2768	omsecor.exe	109
PID 2768 wrote to memory of 2892	2768	omsecor.exe	109
PID 2768 wrote to memory of 2892	2768	omsecor.exe	109
PID 2892 wrote to memory of 2172	2892	omsecor.exe	111
PID 2892 wrote to memory of 2172	2892	omsecor.exe	111
PID 2892 wrote to memory of 2172	2892	omsecor.exe	111
PID 2172 wrote to memory of 4584	2172	omsecor.exe	113
PID 2172 wrote to memory of 4584	2172	omsecor.exe	113
PID 2172 wrote to memory of 4584	2172	omsecor.exe	113
PID 2172 wrote to memory of 4584	2172	omsecor.exe	113
PID 2172 wrote to memory of 4584	2172	omsecor.exe	113

C:\Users\Admin\AppData\Local\Temp\3faa574172a19eba7bdc738abb42ec4a8b35cdc107394872e3026ab366dfc0c3N.exe
"C:\Users\Admin\AppData\Local\Temp\3faa574172a19eba7bdc738abb42ec4a8b35cdc107394872e3026ab366dfc0c3N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5016
- C:\Users\Admin\AppData\Local\Temp\3faa574172a19eba7bdc738abb42ec4a8b35cdc107394872e3026ab366dfc0c3N.exe
  C:\Users\Admin\AppData\Local\Temp\3faa574172a19eba7bdc738abb42ec4a8b35cdc107394872e3026ab366dfc0c3N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2332
- - 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:4072
  - - 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:3764
    - - 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:2768
      - 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:2892
        
        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:2172
        
        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:4584
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 256
        8⤵
        Program crash
        
        PID:2508
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2768 -s 292
        6⤵
        Program crash
        
        PID:1876
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4072 -s 288
      4⤵
      Program crash
      PID:3100
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5016 -s 288
  2⤵
  - Program crash
  PID:3980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5016 -ip 5016
1⤵
PID:4840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4072 -ip 4072
1⤵
PID:3264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2768 -ip 2768
1⤵
PID:2740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2172 -ip 2172
1⤵
PID:2012

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
a554c0392fcead8e21d1b186724dc47c

SHA1
b302443d77c72f8dee63ff0b99bc86cb5aaf7394

SHA256
9c591703e305edcdb9e9b85bc2f57155289658ac3c10841c2311fad6f551730f

SHA512
ff7eeeb79376325cce330b84b09ddd8565180cbaf022eee62780631870111c605cdcfc77ac179283aad35275709b3205527ddcbe507f5877e745f74d61694dc5

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

Filesize
96KB

MD5
41727eb08ad5cbef79d109b0b24dbd3b

SHA1
125a88131440768053ab0bd76a2b0808897c2744

SHA256
b37c2272f536f2a8f57eb7414e91407a4b3c10faa6a029ba0d7fee5281990265

SHA512
8d26d4038dc05390af1f2704a1bac0e927af444b949f2c72c1a09a87a318a1ceb5511c96d9d553dc536835c58f2ede4f28b4d3412251e64ec1e047d5b147e1e5

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

Filesize
96KB

MD5
14fbfd831b2defb07d232987ea55dd2e

SHA1
bc6c3eff4254c2ba6080ef15e604c9e52c9bfa23

SHA256
ca25925f452dea40f05e91ce7e7368ad0cf9aab8849d04ee4eca987c43d524c2

SHA512
90544b52a1349a240d21b6ac70f9f095e0175d8d0bba6a6dd0fc79dfd7645e4f47090dfebec2932fba88ca6accdeea946812c1312e002bd6a2b281725ddf3cad

Download Submit
memory/2172-54-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2172-46-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2332-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2332-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2332-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2332-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2768-53-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2768-35-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2892-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2892-44-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2892-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3764-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3764-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3764-34-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3764-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3764-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3764-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3764-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4072-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4072-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4584-51-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4584-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4584-55-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5016-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/5016-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download