neconyd | 961fb0e0fe09aa12127308ae110d1aeb6c94cc94f8a2ab266ef2759c327c1e24

Analysis

max time kernel
146s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20250313-en
resource tags

arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
submitted
06/04/2025, 09:49

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General

Target

2025-04-06_af30f58b786b4b55b245824ea3353abb_amadey_rhadamanthys_smoke-loader.exe
Size

134KB
MD5

af30f58b786b4b55b245824ea3353abb
SHA1

bbfe18140fb6f501c9271cc7afc26ed552f33829
SHA256

961fb0e0fe09aa12127308ae110d1aeb6c94cc94f8a2ab266ef2759c327c1e24
SHA512

2fccdd06225224d1308ea56537e06013c09cf7e4d653192c4595679bf6da1e6d914a25f3cbb8737b288a39c43e598499eaeaa50d9764080f77eaa67198ae9425
SSDEEP

1536:iDfDbhERTatPLTH0iqNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabadwCiP:UiRTeH0iqAW6J6f1tqF6dngNmaZCiaI

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
3640	omsecor.exe
2384	omsecor.exe
4044	omsecor.exe
1952	omsecor.exe
3676	omsecor.exe
4348	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 1016 set thread context of 6088	1016	2025-04-06_af30f58b786b4b55b245824ea3353abb_amadey_rhadamanthys_smoke-loader.exe	85
PID 3640 set thread context of 2384	3640	omsecor.exe	89
PID 4044 set thread context of 1952	4044	omsecor.exe	112
PID 3676 set thread context of 4348	3676	omsecor.exe	116

Program crash 4 IoCs

pid	pid_target	Process	procid_target
2732	1016	WerFault.exe	84
3104	3640	WerFault.exe	88
1560	4044	WerFault.exe	111
6132	3676	WerFault.exe	114

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	2025-04-06_af30f58b786b4b55b245824ea3353abb_amadey_rhadamanthys_smoke-loader.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	2025-04-06_af30f58b786b4b55b245824ea3353abb_amadey_rhadamanthys_smoke-loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 6088	1016	2025-04-06_af30f58b786b4b55b245824ea3353abb_amadey_rhadamanthys_smoke-loader.exe	85
PID 1016 wrote to memory of 6088	1016	2025-04-06_af30f58b786b4b55b245824ea3353abb_amadey_rhadamanthys_smoke-loader.exe	85
PID 1016 wrote to memory of 6088	1016	2025-04-06_af30f58b786b4b55b245824ea3353abb_amadey_rhadamanthys_smoke-loader.exe	85
PID 1016 wrote to memory of 6088	1016	2025-04-06_af30f58b786b4b55b245824ea3353abb_amadey_rhadamanthys_smoke-loader.exe	85
PID 1016 wrote to memory of 6088	1016	2025-04-06_af30f58b786b4b55b245824ea3353abb_amadey_rhadamanthys_smoke-loader.exe	85
PID 6088 wrote to memory of 3640	6088	2025-04-06_af30f58b786b4b55b245824ea3353abb_amadey_rhadamanthys_smoke-loader.exe	88
PID 6088 wrote to memory of 3640	6088	2025-04-06_af30f58b786b4b55b245824ea3353abb_amadey_rhadamanthys_smoke-loader.exe	88
PID 6088 wrote to memory of 3640	6088	2025-04-06_af30f58b786b4b55b245824ea3353abb_amadey_rhadamanthys_smoke-loader.exe	88
PID 3640 wrote to memory of 2384	3640	omsecor.exe	89
PID 3640 wrote to memory of 2384	3640	omsecor.exe	89
PID 3640 wrote to memory of 2384	3640	omsecor.exe	89
PID 3640 wrote to memory of 2384	3640	omsecor.exe	89
PID 3640 wrote to memory of 2384	3640	omsecor.exe	89
PID 2384 wrote to memory of 4044	2384	omsecor.exe	111
PID 2384 wrote to memory of 4044	2384	omsecor.exe	111
PID 2384 wrote to memory of 4044	2384	omsecor.exe	111
PID 4044 wrote to memory of 1952	4044	omsecor.exe	112
PID 4044 wrote to memory of 1952	4044	omsecor.exe	112
PID 4044 wrote to memory of 1952	4044	omsecor.exe	112
PID 4044 wrote to memory of 1952	4044	omsecor.exe	112
PID 4044 wrote to memory of 1952	4044	omsecor.exe	112
PID 1952 wrote to memory of 3676	1952	omsecor.exe	114
PID 1952 wrote to memory of 3676	1952	omsecor.exe	114
PID 1952 wrote to memory of 3676	1952	omsecor.exe	114
PID 3676 wrote to memory of 4348	3676	omsecor.exe	116
PID 3676 wrote to memory of 4348	3676	omsecor.exe	116
PID 3676 wrote to memory of 4348	3676	omsecor.exe	116
PID 3676 wrote to memory of 4348	3676	omsecor.exe	116
PID 3676 wrote to memory of 4348	3676	omsecor.exe	116

C:\Users\Admin\AppData\Local\Temp\2025-04-06_af30f58b786b4b55b245824ea3353abb_amadey_rhadamanthys_smoke-loader.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-06_af30f58b786b4b55b245824ea3353abb_amadey_rhadamanthys_smoke-loader.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Users\Admin\AppData\Local\Temp\2025-04-06_af30f58b786b4b55b245824ea3353abb_amadey_rhadamanthys_smoke-loader.exe
  C:\Users\Admin\AppData\Local\Temp\2025-04-06_af30f58b786b4b55b245824ea3353abb_amadey_rhadamanthys_smoke-loader.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6088
- - 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:3640
  - - 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:2384
    - - 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:4044
      - 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:1952
        
        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:3676
        
        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:4348
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3676 -s 256
        8⤵
        Program crash
        
        PID:6132
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4044 -s 292
        6⤵
        Program crash
        
        PID:1560
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 288
      4⤵
      Program crash
      PID:3104
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1016 -s 288
  2⤵
  - Program crash
  PID:2732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1016 -ip 1016
1⤵
PID:1812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3640 -ip 3640
1⤵
PID:2360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4044 -ip 4044
1⤵
PID:2032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3676 -ip 3676
1⤵
PID:3140

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
73ae38c897592d51ddc356909b0c1c80

SHA1
198578c7675af32742bd76bfdec3a74aeeac8298

SHA256
d8d9eca1eb0d87c91b73187917d41d668db127659fd7dee654e559f25f94339b

SHA512
67242b23a85c0675ba30ad15ce92cd3cafeb9a75c8613f5ead3b95621205ef711288cf8aa59172ed4145bc8625597bf9e3ff169ffd1585711530c13d2fd7fb00

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

Filesize
134KB

MD5
52adebc7a8f20b0e84374456029f86db

SHA1
814a11afff672ebdb2dbccc739b0c6ea2f51a6fa

SHA256
c40f1cb26585a75397b30ac5bc0cf7f66f1901280697bad0b7d34dbda958ac79

SHA512
e64bc3c2a95215566643697ec1dffaf6a0f439f96059b16634652edfaa552dd09fa893f09e89e196daae5fbbc58e96491b69d4db421ed1702f3ee331b3890f19

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

Filesize
134KB

MD5
880c7af210f7a0b24227a667e6413fcc

SHA1
af48b79e042beca3953f3b008549e8b566dd645b

SHA256
2288df1d26744aadb26b1493c68ee05a83b1f6f17fbeea78afda94a35ff62234

SHA512
db88a4fa8f67da9aac2478892979fa2909b4b9ff5436f9b09217ebf5ccb917a7232deb6a20731f6f7c6d55e8ef550510db818645cf1cab2721fa1316abc27016

Download Submit
memory/1016-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1016-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1952-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1952-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1952-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2384-15-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2384-29-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2384-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2384-18-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2384-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2384-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2384-25-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3640-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3640-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3676-42-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4044-30-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4044-49-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4348-48-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4348-53-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4348-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4348-47-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/6088-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/6088-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/6088-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/6088-3-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download