neconyd | be03c0941ff7e34645b4de85173550e6290d96d7de1004840b4a5e8233cf07e7

Analysis

max time kernel
116s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 17:34

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General

Target

be03c0941ff7e34645b4de85173550e6290d96d7de1004840b4a5e8233cf07e7N.exe
Size

96KB
MD5

71d0aa24a8cba1e3a97e5becbaeb7f10
SHA1

48ef9b13d087d475e83b8a40c5eb939283117236
SHA256

be03c0941ff7e34645b4de85173550e6290d96d7de1004840b4a5e8233cf07e7
SHA512

d0e46186a50abcce9392da20db2597c04ee3b47140c9c209e332ffac754896e76a2cb6c00882e53dc4b99d1e235d86a2e6d08efa11f750bb01e550b9460a80bb
SSDEEP

1536:0nAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:0Gs8cd8eXlYairZYqMddH13L

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
4568	omsecor.exe
4740	omsecor.exe
4688	omsecor.exe
1400	omsecor.exe
4812	omsecor.exe
2264	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 3420 set thread context of 4880	3420	be03c0941ff7e34645b4de85173550e6290d96d7de1004840b4a5e8233cf07e7N.exe	83
PID 4568 set thread context of 4740	4568	omsecor.exe	87
PID 4688 set thread context of 1400	4688	omsecor.exe	109
PID 4812 set thread context of 2264	4812	omsecor.exe	113

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4808	3420	WerFault.exe	82
3804	4568	WerFault.exe	85
3736	4688	WerFault.exe	108
1992	4812	WerFault.exe	111

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	be03c0941ff7e34645b4de85173550e6290d96d7de1004840b4a5e8233cf07e7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	be03c0941ff7e34645b4de85173550e6290d96d7de1004840b4a5e8233cf07e7N.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

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3420 wrote to memory of 4880	3420	be03c0941ff7e34645b4de85173550e6290d96d7de1004840b4a5e8233cf07e7N.exe	83
PID 3420 wrote to memory of 4880	3420	be03c0941ff7e34645b4de85173550e6290d96d7de1004840b4a5e8233cf07e7N.exe	83
PID 3420 wrote to memory of 4880	3420	be03c0941ff7e34645b4de85173550e6290d96d7de1004840b4a5e8233cf07e7N.exe	83
PID 3420 wrote to memory of 4880	3420	be03c0941ff7e34645b4de85173550e6290d96d7de1004840b4a5e8233cf07e7N.exe	83
PID 3420 wrote to memory of 4880	3420	be03c0941ff7e34645b4de85173550e6290d96d7de1004840b4a5e8233cf07e7N.exe	83
PID 4880 wrote to memory of 4568	4880	be03c0941ff7e34645b4de85173550e6290d96d7de1004840b4a5e8233cf07e7N.exe	85
PID 4880 wrote to memory of 4568	4880	be03c0941ff7e34645b4de85173550e6290d96d7de1004840b4a5e8233cf07e7N.exe	85
PID 4880 wrote to memory of 4568	4880	be03c0941ff7e34645b4de85173550e6290d96d7de1004840b4a5e8233cf07e7N.exe	85
PID 4568 wrote to memory of 4740	4568	omsecor.exe	87
PID 4568 wrote to memory of 4740	4568	omsecor.exe	87
PID 4568 wrote to memory of 4740	4568	omsecor.exe	87
PID 4568 wrote to memory of 4740	4568	omsecor.exe	87
PID 4568 wrote to memory of 4740	4568	omsecor.exe	87
PID 4740 wrote to memory of 4688	4740	omsecor.exe	108
PID 4740 wrote to memory of 4688	4740	omsecor.exe	108
PID 4740 wrote to memory of 4688	4740	omsecor.exe	108
PID 4688 wrote to memory of 1400	4688	omsecor.exe	109
PID 4688 wrote to memory of 1400	4688	omsecor.exe	109
PID 4688 wrote to memory of 1400	4688	omsecor.exe	109
PID 4688 wrote to memory of 1400	4688	omsecor.exe	109
PID 4688 wrote to memory of 1400	4688	omsecor.exe	109
PID 1400 wrote to memory of 4812	1400	omsecor.exe	111
PID 1400 wrote to memory of 4812	1400	omsecor.exe	111
PID 1400 wrote to memory of 4812	1400	omsecor.exe	111
PID 4812 wrote to memory of 2264	4812	omsecor.exe	113
PID 4812 wrote to memory of 2264	4812	omsecor.exe	113
PID 4812 wrote to memory of 2264	4812	omsecor.exe	113
PID 4812 wrote to memory of 2264	4812	omsecor.exe	113
PID 4812 wrote to memory of 2264	4812	omsecor.exe	113

C:\Users\Admin\AppData\Local\Temp\be03c0941ff7e34645b4de85173550e6290d96d7de1004840b4a5e8233cf07e7N.exe
"C:\Users\Admin\AppData\Local\Temp\be03c0941ff7e34645b4de85173550e6290d96d7de1004840b4a5e8233cf07e7N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3420
- C:\Users\Admin\AppData\Local\Temp\be03c0941ff7e34645b4de85173550e6290d96d7de1004840b4a5e8233cf07e7N.exe
  C:\Users\Admin\AppData\Local\Temp\be03c0941ff7e34645b4de85173550e6290d96d7de1004840b4a5e8233cf07e7N.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4880
- - 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:4568
  - - 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:4740
    - - 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:4688
      - 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:1400
        
        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:4812
        
        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:2264
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 256
        8⤵
        Program crash
        
        PID:1992
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 292
        6⤵
        Program crash
        
        PID:3736
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 272
      4⤵
      Program crash
      PID:3804
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3420 -s 288
  2⤵
  - Program crash
  PID:4808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3420 -ip 3420
1⤵
PID:4912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4568 -ip 4568
1⤵
PID:3492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4688 -ip 4688
1⤵
PID:3752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4812 -ip 4812
1⤵
PID:540

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
6623655fbca78e9eb54b9a5ad9699800

SHA1
5149c518d25916b929b988aea5e3322f2ff4c39a

SHA256
d90f3f6beb759b18a9152776d050f63732a1c234356797d2d7512ce05a73823a

SHA512
3c7c71d0c2cc3082f9223046deff03ab221d0ad047d32d21a57775dac6ba57fb58765c621e017d5db889313b977cedfd135486429462bd047725697693ea0a28

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

Filesize
96KB

MD5
d43ac77cccdab3a8b2da27d4bd874ffa

SHA1
3ec336ef729af67a469b8fd182e2318d03c4099b

SHA256
8bbf974f9e91d3fbfd6c31e989ec19a750b9e868394ffa428034ec3727a001e4

SHA512
ee7b0714cb8942d55fd8d484f95dc83f90c1462faf2ac5e5484f8505acdfa5916591645ecb54cd979a1d1950871a6fec67005891129f4189e3ce83cb830059fd

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

Filesize
96KB

MD5
edc1b9ccf9388ff1891d10541bb64f12

SHA1
e7d2cfc18e18d8d50b112939abc30431b5add3c8

SHA256
8e9e83bc39af32cdd2a33fc32427058f5d6f589b728e55ba5bd0b5aa4754c512

SHA512
cc95c9ab2901c064f0a131c5e0b231b0e518cf0c767fe30a3315cdc35cc9447ba863638e2d44086cc345d86e2fced6c3681de496652295a0255a52bb1409ab28

Download Submit
memory/1400-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1400-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1400-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2264-49-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2264-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2264-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3420-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3420-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4568-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4568-19-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4688-51-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4688-33-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4740-27-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4740-31-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4740-26-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4740-23-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4740-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4740-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4740-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4812-45-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4812-53-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4880-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4880-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4880-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4880-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download