neconyd | dc42a74163cf464f200edf88465381a04341c293548c3621c9c88c911ea90bb1

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
06/01/2025, 22:04

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General

Target

dc42a74163cf464f200edf88465381a04341c293548c3621c9c88c911ea90bb1.exe
Size

128KB
MD5

73cab011babde57bf8e5e70ac85d2d3d
SHA1

40a2bb1bb24cbc90541cccd9274085e63cc723c7
SHA256

dc42a74163cf464f200edf88465381a04341c293548c3621c9c88c911ea90bb1
SHA512

1d218d1f7a7aa9c2ed37bb249cae28a1077d2a86ea58595213d2c9e53b5cee641c24ca3175a3b6ab987eb75ea6605c4633529eb0388e287febcbfc77e3bda298
SSDEEP

1536:8DfDbhERTatPLTLLbC+8BMNZg3mqKv6y0RrwFd1tSEsF27da6ZW72Foj/MqMabaa:iiRTe3n8BMAW6J6f1tqF6dngNmaZr3

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
3508	omsecor.exe
5100	omsecor.exe
3908	omsecor.exe
4048	omsecor.exe
1924	omsecor.exe
4404	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 1368 set thread context of 2608	1368	dc42a74163cf464f200edf88465381a04341c293548c3621c9c88c911ea90bb1.exe	84
PID 3508 set thread context of 5100	3508	omsecor.exe	88
PID 3908 set thread context of 4048	3908	omsecor.exe	110
PID 1924 set thread context of 4404	1924	omsecor.exe	114

Program crash 4 IoCs

pid	pid_target	Process	procid_target
2668	3508	WerFault.exe	86
1652	1368	WerFault.exe	83
3036	3908	WerFault.exe	109
3512	1924	WerFault.exe	112

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	dc42a74163cf464f200edf88465381a04341c293548c3621c9c88c911ea90bb1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dc42a74163cf464f200edf88465381a04341c293548c3621c9c88c911ea90bb1.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

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 2608	1368	dc42a74163cf464f200edf88465381a04341c293548c3621c9c88c911ea90bb1.exe	84
PID 1368 wrote to memory of 2608	1368	dc42a74163cf464f200edf88465381a04341c293548c3621c9c88c911ea90bb1.exe	84
PID 1368 wrote to memory of 2608	1368	dc42a74163cf464f200edf88465381a04341c293548c3621c9c88c911ea90bb1.exe	84
PID 1368 wrote to memory of 2608	1368	dc42a74163cf464f200edf88465381a04341c293548c3621c9c88c911ea90bb1.exe	84
PID 1368 wrote to memory of 2608	1368	dc42a74163cf464f200edf88465381a04341c293548c3621c9c88c911ea90bb1.exe	84
PID 2608 wrote to memory of 3508	2608	dc42a74163cf464f200edf88465381a04341c293548c3621c9c88c911ea90bb1.exe	86
PID 2608 wrote to memory of 3508	2608	dc42a74163cf464f200edf88465381a04341c293548c3621c9c88c911ea90bb1.exe	86
PID 2608 wrote to memory of 3508	2608	dc42a74163cf464f200edf88465381a04341c293548c3621c9c88c911ea90bb1.exe	86
PID 3508 wrote to memory of 5100	3508	omsecor.exe	88
PID 3508 wrote to memory of 5100	3508	omsecor.exe	88
PID 3508 wrote to memory of 5100	3508	omsecor.exe	88
PID 3508 wrote to memory of 5100	3508	omsecor.exe	88
PID 3508 wrote to memory of 5100	3508	omsecor.exe	88
PID 5100 wrote to memory of 3908	5100	omsecor.exe	109
PID 5100 wrote to memory of 3908	5100	omsecor.exe	109
PID 5100 wrote to memory of 3908	5100	omsecor.exe	109
PID 3908 wrote to memory of 4048	3908	omsecor.exe	110
PID 3908 wrote to memory of 4048	3908	omsecor.exe	110
PID 3908 wrote to memory of 4048	3908	omsecor.exe	110
PID 3908 wrote to memory of 4048	3908	omsecor.exe	110
PID 3908 wrote to memory of 4048	3908	omsecor.exe	110
PID 4048 wrote to memory of 1924	4048	omsecor.exe	112
PID 4048 wrote to memory of 1924	4048	omsecor.exe	112
PID 4048 wrote to memory of 1924	4048	omsecor.exe	112
PID 1924 wrote to memory of 4404	1924	omsecor.exe	114
PID 1924 wrote to memory of 4404	1924	omsecor.exe	114
PID 1924 wrote to memory of 4404	1924	omsecor.exe	114
PID 1924 wrote to memory of 4404	1924	omsecor.exe	114
PID 1924 wrote to memory of 4404	1924	omsecor.exe	114

C:\Users\Admin\AppData\Local\Temp\dc42a74163cf464f200edf88465381a04341c293548c3621c9c88c911ea90bb1.exe
"C:\Users\Admin\AppData\Local\Temp\dc42a74163cf464f200edf88465381a04341c293548c3621c9c88c911ea90bb1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Users\Admin\AppData\Local\Temp\dc42a74163cf464f200edf88465381a04341c293548c3621c9c88c911ea90bb1.exe
  C:\Users\Admin\AppData\Local\Temp\dc42a74163cf464f200edf88465381a04341c293548c3621c9c88c911ea90bb1.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2608
- - 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:3508
  - - 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:5100
    - - 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:3908
      - 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:4048
        
        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:1924
        
        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:4404
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 252
        8⤵
        Program crash
        
        PID:3512
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 292
        6⤵
        Program crash
        
        PID:3036
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3508 -s 288
      4⤵
      Program crash
      PID:2668
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1368 -s 296
  2⤵
  - Program crash
  PID:1652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1368 -ip 1368
1⤵
PID:3648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3508 -ip 3508
1⤵
PID:4988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3908 -ip 3908
1⤵
PID:2164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1924 -ip 1924
1⤵
PID:1540

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
128KB

MD5
68d060309ea4480fcb23be147bc52b45

SHA1
28e260ccee801ec2d5813da934966da289ea3802

SHA256
fb557898aa8a1394c3412f6d6ab66877285c4ee418b6a94f44444cb32097ce52

SHA512
03257664bbfc8788a3ac1f5a06899a0a6a11ac5a86884d3e9e30b74a6d13cc906314620fd73106578206828498156fdf813c204584001f9dd9a23fb840c6489c

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

Filesize
128KB

MD5
4eb577f86e5104335dcaaa4b6c501787

SHA1
097234f5e1cb350bec403286e395ed68a5f46e7a

SHA256
ee2a2cb6ff9fbc37d29ea9b3dfcd595ac9b6f569a596e529c1a430a6357d86a1

SHA512
4a3576f3354fc93cd6535ac33add4438e7de1ba2b82b990aa5ef43465ecd601022807707b8a05e05edf61117bd6d07ec7ab7a64c8abf23706ef440c6d3db4573

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

Filesize
128KB

MD5
ebd234bae3e35b1c6c2cbd19dad71ee9

SHA1
132d260feb6857244e48b5317c0f90325a4f114c

SHA256
26c360bd6df5f2ff31905af3d2079733af8826ef012d4d3f1ff3fbd003b459dc

SHA512
995b48d5b179242eac22a6c92b9fccb133a517b91009d25055f0b72740f8b41018dfe8b775221260fb0ac90a69595d0a92cd9c97cf68d64a0c76cb78cd6be92b

Download Submit
memory/2608-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2608-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2608-4-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2608-0-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4048-31-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4048-30-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4048-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4404-42-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4404-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4404-43-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5100-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5100-24-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5100-21-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5100-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5100-17-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5100-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/5100-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download