neconyd | 6e24d85b4fff6dfca63a2205260102f6f12c04975049be318098e0230bd466ff

Analysis

max time kernel
114s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 08:31

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General

Target

99ecb0667b31dd2dbf401a85b2ad5440N.exe
Size

134KB
MD5

99ecb0667b31dd2dbf401a85b2ad5440
SHA1

fe0836ce7dfad63df6432accf0d41a2ed7d6f9a9
SHA256

6e24d85b4fff6dfca63a2205260102f6f12c04975049be318098e0230bd466ff
SHA512

295286dc7b628c04b0aab59bc31cfa8b39b28eb063dbd31f5cb39c6f7011d1aa676066fae57ff2bb8985c6d6342fb6c56e1a6cc8e24a4dd2ef1984919086d439
SSDEEP

1536:SDfDbhERTatPLTH0NqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwC7M:EiRTeH0NqAW6J6f1tqF6dngNmaZC7M

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

Executes dropped EXE 6 IoCs

pid	Process
4744	omsecor.exe
4548	omsecor.exe
1228	omsecor.exe
3504	omsecor.exe
652	omsecor.exe
716	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 2324 set thread context of 4908	2324	99ecb0667b31dd2dbf401a85b2ad5440N.exe	84
PID 4744 set thread context of 4548	4744	omsecor.exe	88
PID 1228 set thread context of 3504	1228	omsecor.exe	117
PID 652 set thread context of 716	652	omsecor.exe	121

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3628	4744	WerFault.exe	86
1396	2324	WerFault.exe	83
3888	1228	WerFault.exe	116
1028	652	WerFault.exe	119

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	99ecb0667b31dd2dbf401a85b2ad5440N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	99ecb0667b31dd2dbf401a85b2ad5440N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 4908	2324	99ecb0667b31dd2dbf401a85b2ad5440N.exe	84
PID 2324 wrote to memory of 4908	2324	99ecb0667b31dd2dbf401a85b2ad5440N.exe	84
PID 2324 wrote to memory of 4908	2324	99ecb0667b31dd2dbf401a85b2ad5440N.exe	84
PID 2324 wrote to memory of 4908	2324	99ecb0667b31dd2dbf401a85b2ad5440N.exe	84
PID 2324 wrote to memory of 4908	2324	99ecb0667b31dd2dbf401a85b2ad5440N.exe	84
PID 4908 wrote to memory of 4744	4908	99ecb0667b31dd2dbf401a85b2ad5440N.exe	86
PID 4908 wrote to memory of 4744	4908	99ecb0667b31dd2dbf401a85b2ad5440N.exe	86
PID 4908 wrote to memory of 4744	4908	99ecb0667b31dd2dbf401a85b2ad5440N.exe	86
PID 4744 wrote to memory of 4548	4744	omsecor.exe	88
PID 4744 wrote to memory of 4548	4744	omsecor.exe	88
PID 4744 wrote to memory of 4548	4744	omsecor.exe	88
PID 4744 wrote to memory of 4548	4744	omsecor.exe	88
PID 4744 wrote to memory of 4548	4744	omsecor.exe	88
PID 4548 wrote to memory of 1228	4548	omsecor.exe	116
PID 4548 wrote to memory of 1228	4548	omsecor.exe	116
PID 4548 wrote to memory of 1228	4548	omsecor.exe	116
PID 1228 wrote to memory of 3504	1228	omsecor.exe	117
PID 1228 wrote to memory of 3504	1228	omsecor.exe	117
PID 1228 wrote to memory of 3504	1228	omsecor.exe	117
PID 1228 wrote to memory of 3504	1228	omsecor.exe	117
PID 1228 wrote to memory of 3504	1228	omsecor.exe	117
PID 3504 wrote to memory of 652	3504	omsecor.exe	119
PID 3504 wrote to memory of 652	3504	omsecor.exe	119
PID 3504 wrote to memory of 652	3504	omsecor.exe	119
PID 652 wrote to memory of 716	652	omsecor.exe	121
PID 652 wrote to memory of 716	652	omsecor.exe	121
PID 652 wrote to memory of 716	652	omsecor.exe	121
PID 652 wrote to memory of 716	652	omsecor.exe	121
PID 652 wrote to memory of 716	652	omsecor.exe	121

C:\Users\Admin\AppData\Local\Temp\99ecb0667b31dd2dbf401a85b2ad5440N.exe
"C:\Users\Admin\AppData\Local\Temp\99ecb0667b31dd2dbf401a85b2ad5440N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Users\Admin\AppData\Local\Temp\99ecb0667b31dd2dbf401a85b2ad5440N.exe
  C:\Users\Admin\AppData\Local\Temp\99ecb0667b31dd2dbf401a85b2ad5440N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4908
- - 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:4744
  - - 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:4548
    - - 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:1228
      - 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:3504
        
        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:652
        
        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:716
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 652 -s 256
        8⤵
        Program crash
        
        PID:1028
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1228 -s 292
        6⤵
        Program crash
        
        PID:3888
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 300
      4⤵
      Program crash
      PID:3628
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 288
  2⤵
  - Program crash
  PID:1396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2324 -ip 2324
1⤵
PID:2260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4744 -ip 4744
1⤵
PID:232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1228 -ip 1228
1⤵
PID:4044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 652 -ip 652
1⤵
PID:400

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
134KB

MD5
376f81bc28b275bf13c1ed498970d139

SHA1
fa58e8a7b11b7d45415307664dc3222ecf8ab798

SHA256
caf8baf7873bfefd06f5903a7478d48e7b2167b6bcb43af744cf89cb3c3ec82a

SHA512
877491b5851e449e7ae8fbc52da648f6e1b08fba0a36d587f31d7ba6c1cff74657488c55e3918cc98b374a0c8d2750146d737a8a8f9006a9ff6e2d7441481c44

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

Filesize
134KB

MD5
c228a506ef49c2938a43775b52f536c6

SHA1
959c6c250d5962c6de80b22c3989a0960b8c6064

SHA256
afe7c7213e6cc1a2e1cd657efd5d49f56779aad6a52ec2d6c89653657cd97232

SHA512
d5f8266d54ebe413f338c3b220aebb2ffb9d188bcff152c61fe7b35e3d83e44a6c3587e86eb9f6ac61b1f7cf3c16e49dd339e0462208b5f5c5dad4c5fe4063a4

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

Filesize
134KB

MD5
1e213e7bf59e50b82f9df6cf6c3fe65e

SHA1
59ebcaad03dec533da93ddfdd47de138f62e0059

SHA256
e5d6245f1146a873ffa2088ec0f0f288c6eff68e3b557db3ff85f214676b9c89

SHA512
772bc5f3584239d0de420d8036829d5dcedb9db58c4afe4a2ccc63528cc18bd30ac59fbdfc9b90533d1015181894b681f649327a2207002971a26be4e7d6462b

Download Submit
memory/652-45-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/716-52-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/716-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/716-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1228-51-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1228-32-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2324-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2324-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3504-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3504-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3504-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4548-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4548-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4548-31-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4548-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4548-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4548-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4548-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4744-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4744-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4908-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4908-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4908-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4908-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download