neconyd | 4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47

Analysis

max time kernel
146s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2025 09:10

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General

Target

4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe
Size

96KB
MD5

c76ae9d599a9785e771abf4f29ceecfb
SHA1

5081943f7567b15af6bd451e27ce37b46b2b3908
SHA256

4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47
SHA512

0e747cf070e24c6d8a509079f7dd33c3ec9175a6c3df13e038a30a7b90daf56c3b40497b1f0ec0970818ba56d76bf9df65c5ce86f0eeb71eb6514b1b41c31ad7
SSDEEP

1536:jnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxx:jGs8cd8eXlYairZYqMddH13x

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
2784	omsecor.exe
4236	omsecor.exe
3948	omsecor.exe
1404	omsecor.exe
1656	omsecor.exe
4964	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 4140 set thread context of 3908	4140	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	82
PID 2784 set thread context of 4236	2784	omsecor.exe	86
PID 3948 set thread context of 1404	3948	omsecor.exe	100
PID 1656 set thread context of 4964	1656	omsecor.exe	104

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4392	2784	WerFault.exe	84
3184	4140	WerFault.exe	81
2972	3948	WerFault.exe	99
952	1656	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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4140 wrote to memory of 3908	4140	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	82
PID 4140 wrote to memory of 3908	4140	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	82
PID 4140 wrote to memory of 3908	4140	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	82
PID 4140 wrote to memory of 3908	4140	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	82
PID 4140 wrote to memory of 3908	4140	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	82
PID 3908 wrote to memory of 2784	3908	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	84
PID 3908 wrote to memory of 2784	3908	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	84
PID 3908 wrote to memory of 2784	3908	4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe	84
PID 2784 wrote to memory of 4236	2784	omsecor.exe	86
PID 2784 wrote to memory of 4236	2784	omsecor.exe	86
PID 2784 wrote to memory of 4236	2784	omsecor.exe	86
PID 2784 wrote to memory of 4236	2784	omsecor.exe	86
PID 2784 wrote to memory of 4236	2784	omsecor.exe	86
PID 4236 wrote to memory of 3948	4236	omsecor.exe	99
PID 4236 wrote to memory of 3948	4236	omsecor.exe	99
PID 4236 wrote to memory of 3948	4236	omsecor.exe	99
PID 3948 wrote to memory of 1404	3948	omsecor.exe	100
PID 3948 wrote to memory of 1404	3948	omsecor.exe	100
PID 3948 wrote to memory of 1404	3948	omsecor.exe	100
PID 3948 wrote to memory of 1404	3948	omsecor.exe	100
PID 3948 wrote to memory of 1404	3948	omsecor.exe	100
PID 1404 wrote to memory of 1656	1404	omsecor.exe	102
PID 1404 wrote to memory of 1656	1404	omsecor.exe	102
PID 1404 wrote to memory of 1656	1404	omsecor.exe	102
PID 1656 wrote to memory of 4964	1656	omsecor.exe	104
PID 1656 wrote to memory of 4964	1656	omsecor.exe	104
PID 1656 wrote to memory of 4964	1656	omsecor.exe	104
PID 1656 wrote to memory of 4964	1656	omsecor.exe	104
PID 1656 wrote to memory of 4964	1656	omsecor.exe	104

C:\Users\Admin\AppData\Local\Temp\4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe
"C:\Users\Admin\AppData\Local\Temp\4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4140
- C:\Users\Admin\AppData\Local\Temp\4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe
  C:\Users\Admin\AppData\Local\Temp\4aaca5ed0bd7cdc33f1295f68bf14c9a937514c01d9c1bd65e1a80a411ec8c47.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3908
- - 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:2784
  - - 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:4236
    - - 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:3948
      - 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:1404
        
        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:1656
        
        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:4964
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1656 -s 244
        8⤵
        Program crash
        
        PID:952
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3948 -s 300
        6⤵
        Program crash
        
        PID:2972
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2784 -s 288
      4⤵
      Program crash
      PID:4392
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 276
  2⤵
  - Program crash
  PID:3184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4140 -ip 4140
1⤵
PID:3456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2784 -ip 2784
1⤵
PID:4480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3948 -ip 3948
1⤵
PID:4632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1656 -ip 1656
1⤵
PID:4004

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
d977eb153d2981b0ab3d968a5c62662b

SHA1
2a8866685a3f9c179002fb36ab21f3d2a2a70598

SHA256
358c49f4dd479d458ad562dd0b29ebd836600fb9e00b3bd85f44a13b08885d5d

SHA512
db5e5996781cd8f09beae46e37b064233461802150a87d1425b9e0e364132eb8515b8a45d47984cad1a7eb511dd07d663b2f92c11a1261d4d2999a77e3c88ef1

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

Filesize
96KB

MD5
ff0a66d0ab28d44b16d0f46ac6d21dce

SHA1
6fce2a89f4e37ba34a24902f12450ef1a08c81bf

SHA256
7f793f841df69ae717b8d3693bfcc430fd9ed036b0adf08ad80b2cfe5ab0f081

SHA512
ec63375dc7584e774f5b95b25a12ecae1970126579e98b8f82ffded598edb06f83d76312658b79d72a7e7cd9ff0d68427c9ab7f8a7301ad33925c99d7c96d1c9

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

Filesize
96KB

MD5
0d947be482c8ae220190ba4c1122153b

SHA1
66e389ebda838b74a2d8c235db23cc6678c6f046

SHA256
ae41dbd4503c452521322d318e2fc90f0bd995afb44bbadc7a5e792a54968abd

SHA512
adfb0fc976dd9d4de197b2fabe57be5e532b8c37284dea48b7c1617caf64026de93c14c48a40b42ab515dd0717bbbc0328ac0d4510da89260cdf3b03ff807075

Download Submit
memory/1404-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1404-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1404-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1656-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1656-53-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2784-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2784-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3908-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3908-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3908-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3908-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3948-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3948-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4140-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4140-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4236-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4236-31-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4236-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4236-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4236-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4236-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4236-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4964-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4964-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4964-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4964-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download