neconyd | 75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb

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
28-11-2024 08:08

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General

Target

75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exe
Size

96KB
MD5

df9340f20610303bda95c5e273e70ed4
SHA1

5e2357006b43d0d42e094b80735007bfef1b71bc
SHA256

75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb
SHA512

0b42e279b441c53513e7d1c50f30defa6f95fb71053b0f6721e4e9835c76c56ff2e3cfafeeedfea5d3d68ae2c5149bb9db6b6f7d9234b51e85745171e9a1b504
SSDEEP

1536:EnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxx:EGs8cd8eXlYairZYqMddH13x

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

Processes:

omsecor.exeomsecor.exeomsecor.exeomsecor.exeomsecor.exeomsecor.exe

pid	Process
4600	omsecor.exe
1676	omsecor.exe
2624	omsecor.exe
4972	omsecor.exe
3996	omsecor.exe
5104	omsecor.exe

Drops file in System32 directory 1 IoCs

Processes:

omsecor.exe

description	ioc	Process
File created	C:\Windows\SysWOW64\omsecor.exe	omsecor.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exeomsecor.exeomsecor.exeomsecor.exe

description	pid	Process	procid_target
PID 3124 set thread context of 4728	3124	75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exe	82
PID 4600 set thread context of 1676	4600	omsecor.exe	87
PID 2624 set thread context of 4972	2624	omsecor.exe	100
PID 3996 set thread context of 5104	3996	omsecor.exe	104

Program crash 4 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	Process	procid_target
724	3124	WerFault.exe	81
4240	4600	WerFault.exe	85
2860	2624	WerFault.exe	99
2040	3996	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

Processes:

75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exeomsecor.exeomsecor.exeomsecor.exeomsecor.exeomsecor.exeomsecor.exe75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.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	75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exe75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exeomsecor.exeomsecor.exeomsecor.exeomsecor.exeomsecor.exe

description	pid	Process	procid_target
PID 3124 wrote to memory of 4728	3124	75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exe	82
PID 3124 wrote to memory of 4728	3124	75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exe	82
PID 3124 wrote to memory of 4728	3124	75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exe	82
PID 3124 wrote to memory of 4728	3124	75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exe	82
PID 3124 wrote to memory of 4728	3124	75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exe	82
PID 4728 wrote to memory of 4600	4728	75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exe	85
PID 4728 wrote to memory of 4600	4728	75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exe	85
PID 4728 wrote to memory of 4600	4728	75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exe	85
PID 4600 wrote to memory of 1676	4600	omsecor.exe	87
PID 4600 wrote to memory of 1676	4600	omsecor.exe	87
PID 4600 wrote to memory of 1676	4600	omsecor.exe	87
PID 4600 wrote to memory of 1676	4600	omsecor.exe	87
PID 4600 wrote to memory of 1676	4600	omsecor.exe	87
PID 1676 wrote to memory of 2624	1676	omsecor.exe	99
PID 1676 wrote to memory of 2624	1676	omsecor.exe	99
PID 1676 wrote to memory of 2624	1676	omsecor.exe	99
PID 2624 wrote to memory of 4972	2624	omsecor.exe	100
PID 2624 wrote to memory of 4972	2624	omsecor.exe	100
PID 2624 wrote to memory of 4972	2624	omsecor.exe	100
PID 2624 wrote to memory of 4972	2624	omsecor.exe	100
PID 2624 wrote to memory of 4972	2624	omsecor.exe	100
PID 4972 wrote to memory of 3996	4972	omsecor.exe	102
PID 4972 wrote to memory of 3996	4972	omsecor.exe	102
PID 4972 wrote to memory of 3996	4972	omsecor.exe	102
PID 3996 wrote to memory of 5104	3996	omsecor.exe	104
PID 3996 wrote to memory of 5104	3996	omsecor.exe	104
PID 3996 wrote to memory of 5104	3996	omsecor.exe	104
PID 3996 wrote to memory of 5104	3996	omsecor.exe	104
PID 3996 wrote to memory of 5104	3996	omsecor.exe	104

C:\Users\Admin\AppData\Local\Temp\75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exe
"C:\Users\Admin\AppData\Local\Temp\75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3124
- C:\Users\Admin\AppData\Local\Temp\75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exe
  C:\Users\Admin\AppData\Local\Temp\75a188b4c356a3e828ca599520307fdfe1e498a7b2d1107c7b24ec8f62b152bb.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4728
- - 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:4600
  - - 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:1676
    - - 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:2624
      - 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:4972
        
        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:3996
        
        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:5104
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 256
        8⤵
        Program crash
        
        PID:2040
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 292
        6⤵
        Program crash
        
        PID:2860
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4600 -s 288
      4⤵
      Program crash
      PID:4240
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3124 -s 288
  2⤵
  - Program crash
  PID:724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3124 -ip 3124
1⤵
PID:2844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4600 -ip 4600
1⤵
PID:536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2624 -ip 2624
1⤵
PID:3516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3996 -ip 3996
1⤵
PID:2264

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
5a1aa59a875caf76680d4681541b7c76

SHA1
da6c11f2066540071c2c8478e35416f4357f63ab

SHA256
870a550b34fad99df2ad32a4373c26e9157b6e0082a59c60072488b6146b340a

SHA512
ddd0464c3eb12974da688202d93e5c145a23a4fa1de9d649a7964eafb25758a1c5c7f3e1d583924015adc40ee0fe448aa31fc3ecfc2b2b7a306151cc925f484b

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

Filesize
96KB

MD5
382fd6253fb9cec92dfbe5516d8092a3

SHA1
4c6cd980978d57ec4f1f9cff86a309193497c3ae

SHA256
c9d97f0d31a49235c0257fecdffe11504d84cfa116c4c18f807856492962c50b

SHA512
399556022ab49876eefccc156023f4c58707dba20e4703ee2bbff32388e7c1eb3e37a8c4035198e9e654bc27a2bff30b4c563b2bdde2bc737a38439d35e9c18e

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

Filesize
96KB

MD5
5003a4e4a25e34426a5551010328d585

SHA1
6960e24bdbe536a61dfd8a1c3b453ea2a67ada89

SHA256
eecc010191b42e924adac7a12fdb02b364f96894b965aaaf570fecf8f6e19574

SHA512
913e6866c88dbbcb4ca2fcb6b9fbe344acc03221fc4d1e69a4aabe400ca4ffd8c228cbba0fd75f96f21374caafee3a1473022b56ea7b05212e3d2acca7515910

Download Submit
memory/1676-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1676-29-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1676-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1676-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1676-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1676-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1676-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2624-50-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2624-30-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3124-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3124-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3996-43-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4600-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4728-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4728-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4728-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4728-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4972-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4972-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4972-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5104-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5104-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5104-52-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download