neconyd | 647c27729b0c7c233098badffddc9e0fcf375d4ae9130800107613d1f3672917

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
25-01-2025 15:19

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General

Target

647c27729b0c7c233098badffddc9e0fcf375d4ae9130800107613d1f3672917.exe
Size

96KB
MD5

cb89fabf46dead53d02318d1f5ff7060
SHA1

f54c253780c05f55b093391bf5ae8f7c977ecaa8
SHA256

647c27729b0c7c233098badffddc9e0fcf375d4ae9130800107613d1f3672917
SHA512

c8bab8add53a24ccdae937c1282dd8f1e4a7bdef5477f1b01adcd2e72add5ef5b03f04675e53a0a0ecbfb371a521ae012bf94bd9eb2152c41049b4adec507bc6
SSDEEP

1536:fnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxB:fGs8cd8eXlYairZYqMddH13B

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
1708	omsecor.exe
4484	omsecor.exe
448	omsecor.exe
4360	omsecor.exe
1064	omsecor.exe
2444	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 4616 set thread context of 884	4616	647c27729b0c7c233098badffddc9e0fcf375d4ae9130800107613d1f3672917.exe	82
PID 1708 set thread context of 4484	1708	omsecor.exe	87
PID 448 set thread context of 4360	448	omsecor.exe	100
PID 1064 set thread context of 2444	1064	omsecor.exe	104

Program crash 4 IoCs

pid	pid_target	Process	procid_target
3336	4616	WerFault.exe	81
688	1708	WerFault.exe	85
5032	448	WerFault.exe	99
2112	1064	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	647c27729b0c7c233098badffddc9e0fcf375d4ae9130800107613d1f3672917.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	647c27729b0c7c233098badffddc9e0fcf375d4ae9130800107613d1f3672917.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

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 884	4616	647c27729b0c7c233098badffddc9e0fcf375d4ae9130800107613d1f3672917.exe	82
PID 4616 wrote to memory of 884	4616	647c27729b0c7c233098badffddc9e0fcf375d4ae9130800107613d1f3672917.exe	82
PID 4616 wrote to memory of 884	4616	647c27729b0c7c233098badffddc9e0fcf375d4ae9130800107613d1f3672917.exe	82
PID 4616 wrote to memory of 884	4616	647c27729b0c7c233098badffddc9e0fcf375d4ae9130800107613d1f3672917.exe	82
PID 4616 wrote to memory of 884	4616	647c27729b0c7c233098badffddc9e0fcf375d4ae9130800107613d1f3672917.exe	82
PID 884 wrote to memory of 1708	884	647c27729b0c7c233098badffddc9e0fcf375d4ae9130800107613d1f3672917.exe	85
PID 884 wrote to memory of 1708	884	647c27729b0c7c233098badffddc9e0fcf375d4ae9130800107613d1f3672917.exe	85
PID 884 wrote to memory of 1708	884	647c27729b0c7c233098badffddc9e0fcf375d4ae9130800107613d1f3672917.exe	85
PID 1708 wrote to memory of 4484	1708	omsecor.exe	87
PID 1708 wrote to memory of 4484	1708	omsecor.exe	87
PID 1708 wrote to memory of 4484	1708	omsecor.exe	87
PID 1708 wrote to memory of 4484	1708	omsecor.exe	87
PID 1708 wrote to memory of 4484	1708	omsecor.exe	87
PID 4484 wrote to memory of 448	4484	omsecor.exe	99
PID 4484 wrote to memory of 448	4484	omsecor.exe	99
PID 4484 wrote to memory of 448	4484	omsecor.exe	99
PID 448 wrote to memory of 4360	448	omsecor.exe	100
PID 448 wrote to memory of 4360	448	omsecor.exe	100
PID 448 wrote to memory of 4360	448	omsecor.exe	100
PID 448 wrote to memory of 4360	448	omsecor.exe	100
PID 448 wrote to memory of 4360	448	omsecor.exe	100
PID 4360 wrote to memory of 1064	4360	omsecor.exe	102
PID 4360 wrote to memory of 1064	4360	omsecor.exe	102
PID 4360 wrote to memory of 1064	4360	omsecor.exe	102
PID 1064 wrote to memory of 2444	1064	omsecor.exe	104
PID 1064 wrote to memory of 2444	1064	omsecor.exe	104
PID 1064 wrote to memory of 2444	1064	omsecor.exe	104
PID 1064 wrote to memory of 2444	1064	omsecor.exe	104
PID 1064 wrote to memory of 2444	1064	omsecor.exe	104

C:\Users\Admin\AppData\Local\Temp\647c27729b0c7c233098badffddc9e0fcf375d4ae9130800107613d1f3672917.exe
"C:\Users\Admin\AppData\Local\Temp\647c27729b0c7c233098badffddc9e0fcf375d4ae9130800107613d1f3672917.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4616
- C:\Users\Admin\AppData\Local\Temp\647c27729b0c7c233098badffddc9e0fcf375d4ae9130800107613d1f3672917.exe
  C:\Users\Admin\AppData\Local\Temp\647c27729b0c7c233098badffddc9e0fcf375d4ae9130800107613d1f3672917.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:884
- - 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:1708
  - - 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:4484
    - - 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:448
      - 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:4360
        
        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:1064
        
        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:2444
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1064 -s 240
        8⤵
        Program crash
        
        PID:2112
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 448 -s 296
        6⤵
        Program crash
        
        PID:5032
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 288
      4⤵
      Program crash
      PID:688
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 288
  2⤵
  - Program crash
  PID:3336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4616 -ip 4616
1⤵
PID:2672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1708 -ip 1708
1⤵
PID:2576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 448 -ip 448
1⤵
PID:2376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1064 -ip 1064
1⤵
PID:3036

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

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Downloads

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

Filesize
96KB

MD5
64046680728f08c96bb3a88e24f3123d

SHA1
5edc2a556d142a666996006edc307e69f3024310

SHA256
630fa7a63a4e33c336b95e5084438087c785f68d716346b36fe5a6bad3da979d

SHA512
387106688f622bfafa6c68cb5471532c53d8a4e60fc5be66bd5138a4d833d3a8a0457991ce494cb6e2d639085bb3da33d1cf356df97f28e7e2a3a48f7e2d7fe1

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

Filesize
96KB

MD5
d458833caeda2ec19cb80eb10e378062

SHA1
f3bf4948fc59b415d501a1869a2ba8c8085e2a40

SHA256
98b322fd7d9176551e8fc07155e6d41a7f02c0bbf860a833b567553dad339640

SHA512
e432c253a690f4a1cc8ddec9abbbcad38b7af0fcff2e61d9a648d4c2e3217a60c57299b14edda358c10cdb4f337d5f8ebb80897300e3be22c40364e4d77a4147

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

Filesize
96KB

MD5
c756e7ae65e96ad4eee3259aa8b3498c

SHA1
74e07f8a9e444503eb8b3ce8d0d7e66ea6acd666

SHA256
eaa8e1b853f9b60a2a68f0f54d4555d56fb7085020499e74696cf04788918a6e

SHA512
e7d8ba718f96318072247afbb64bbe429b0c827c1f8451179d5f351db14b569e2a586cfa8e85b91e16cde6ea3687446c46e3439142797b92afb9a2f14fe96bfe

Download Submit
memory/448-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/448-52-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/884-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/884-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/884-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/884-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1064-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1708-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1708-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2444-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2444-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2444-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4360-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4360-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4360-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4484-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4484-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4484-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4484-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4484-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4484-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4484-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4616-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4616-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download