neconyd | 40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f

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
04-12-2024 05:45

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General

Target

40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe
Size

96KB
MD5

88de9c6897937c35255ac10b6bac4a66
SHA1

ad5b907ac354bbbae4bd1ea9b880a1e90470e172
SHA256

40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f
SHA512

ccb8b91c545641b5da431fad701e3923fd6a4f85b569cbe26f6aefa3a2ebfcf3d90dc0ddaa2a8a5cc0eb4cbfcb47104b3b6150b27dbef418eee405a7619c9bc6
SSDEEP

1536:hnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxB:hGs8cd8eXlYairZYqMddH13B

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
3556	omsecor.exe
3512	omsecor.exe
3256	omsecor.exe
3420	omsecor.exe
2060	omsecor.exe
4772	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 1268 set thread context of 4996	1268	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe	83
PID 3556 set thread context of 3512	3556	omsecor.exe	88
PID 3256 set thread context of 3420	3256	omsecor.exe	108
PID 2060 set thread context of 4772	2060	omsecor.exe	112

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4236	1268	WerFault.exe	82
4520	3556	WerFault.exe	85
3104	3256	WerFault.exe	107
860	2060	WerFault.exe	110

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	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 4996	1268	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe	83
PID 1268 wrote to memory of 4996	1268	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe	83
PID 1268 wrote to memory of 4996	1268	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe	83
PID 1268 wrote to memory of 4996	1268	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe	83
PID 1268 wrote to memory of 4996	1268	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe	83
PID 4996 wrote to memory of 3556	4996	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe	85
PID 4996 wrote to memory of 3556	4996	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe	85
PID 4996 wrote to memory of 3556	4996	40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe	85
PID 3556 wrote to memory of 3512	3556	omsecor.exe	88
PID 3556 wrote to memory of 3512	3556	omsecor.exe	88
PID 3556 wrote to memory of 3512	3556	omsecor.exe	88
PID 3556 wrote to memory of 3512	3556	omsecor.exe	88
PID 3556 wrote to memory of 3512	3556	omsecor.exe	88
PID 3512 wrote to memory of 3256	3512	omsecor.exe	107
PID 3512 wrote to memory of 3256	3512	omsecor.exe	107
PID 3512 wrote to memory of 3256	3512	omsecor.exe	107
PID 3256 wrote to memory of 3420	3256	omsecor.exe	108
PID 3256 wrote to memory of 3420	3256	omsecor.exe	108
PID 3256 wrote to memory of 3420	3256	omsecor.exe	108
PID 3256 wrote to memory of 3420	3256	omsecor.exe	108
PID 3256 wrote to memory of 3420	3256	omsecor.exe	108
PID 3420 wrote to memory of 2060	3420	omsecor.exe	110
PID 3420 wrote to memory of 2060	3420	omsecor.exe	110
PID 3420 wrote to memory of 2060	3420	omsecor.exe	110
PID 2060 wrote to memory of 4772	2060	omsecor.exe	112
PID 2060 wrote to memory of 4772	2060	omsecor.exe	112
PID 2060 wrote to memory of 4772	2060	omsecor.exe	112
PID 2060 wrote to memory of 4772	2060	omsecor.exe	112
PID 2060 wrote to memory of 4772	2060	omsecor.exe	112

C:\Users\Admin\AppData\Local\Temp\40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe
"C:\Users\Admin\AppData\Local\Temp\40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Users\Admin\AppData\Local\Temp\40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe
  C:\Users\Admin\AppData\Local\Temp\40a4b0aa4c555c3e71800aba99d22e7d4ae98af226973f398b41f18c4cdf049f.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4996
- - 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:3556
  - - 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:3512
    - - 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:3256
      - 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:3420
        
        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:2060
        
        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:4772
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 268
        8⤵
        Program crash
        
        PID:860
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3256 -s 292
        6⤵
        Program crash
        
        PID:3104
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3556 -s 288
      4⤵
      Program crash
      PID:4520
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1268 -s 284
  2⤵
  - Program crash
  PID:4236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1268 -ip 1268
1⤵
PID:4904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3556 -ip 3556
1⤵
PID:4412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3256 -ip 3256
1⤵
PID:4132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2060 -ip 2060
1⤵
PID:324

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
a8df9acd1142da4fa6106c54b389bb02

SHA1
7fa08c6c019d93e2d06d30d6c0ddf7f5483b585e

SHA256
dd2ef6e4fb4ac64dfcc4b00f91e41cb62160018d561803f57b39502765efa159

SHA512
f6b05b78fd4195984142d99b9e5c11bb133029306ed9e07323ae94776f25df6bf23328ff27a9b59f3090c5894cf37efae1ec134e79897ba84921a24813896a3f

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

Filesize
96KB

MD5
6f6623357b718ea9224d15a761f8ab21

SHA1
6496075f9cd639d1962b1c18266dfcc1d0841244

SHA256
712046f2e93f4b5d25323e8795b75b4d0cf6df30c7601a5a1b660732689755e5

SHA512
9d44f90cf22e930747c446eb3a275fd772370048c76feccf8a7db965fcdbbdfd9a1d9986a965b3212a31ee050f41a75231c9331ea739881bb212d17e9ef2e682

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

Filesize
96KB

MD5
39754e7aa74398aeda27c8956f02c852

SHA1
b34ed02102ebed466111705e78f4b8e6e8e63b9b

SHA256
adf9ac5367c7b532d84fecf89241119d9c0ba90a2664a3ad29cf3929f2bb624b

SHA512
0246921fb919e36e7012c302feee99803d608e5c7857f08dcfd1ff9577dd5a93e482029b9457673e92875ab48b8268b8c88bd0d38d00adc3af0c90e8f613796c

Download Submit
memory/1268-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1268-18-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2060-44-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3256-31-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3256-51-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3420-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3420-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3420-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3512-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3512-22-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3512-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3512-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3512-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3512-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3512-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3556-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3556-10-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4772-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4772-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4772-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4772-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4996-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4996-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4996-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4996-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download