neconyd | d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2

Analysis

max time kernel
120s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/02/2025, 12:27

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General

Target

d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.exe
Size

96KB
MD5

78a061fad4189f343fcecc7875495c0c
SHA1

7103bafd20528fe2c8bc3aa252fb1f0fdf00d90d
SHA256

d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2
SHA512

954ff5b8eb6996f0d61a26bf2ac07475dd2e1d66989c0afd658ef59baba0c54578461701fdb3bf2360665426970cd39e7b761fa3c07413bfd53323750ea83345
SSDEEP

1536:OnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxR:OGs8cd8eXlYairZYqMddH13R

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
2692	omsecor.exe
2648	omsecor.exe
1336	omsecor.exe
1636	omsecor.exe
796	omsecor.exe
2968	omsecor.exe

Loads dropped DLL 7 IoCs

pid	Process
2060	d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.exe
2060	d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.exe
2692	omsecor.exe
2648	omsecor.exe
2648	omsecor.exe
1636	omsecor.exe
1636	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 1860 set thread context of 2060	1860	d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.exe	28
PID 2692 set thread context of 2648	2692	omsecor.exe	30
PID 1336 set thread context of 1636	1336	omsecor.exe	35
PID 796 set thread context of 2968	796	omsecor.exe	37

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	d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.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	d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.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 36 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2060	1860	d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.exe	28
PID 1860 wrote to memory of 2060	1860	d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.exe	28
PID 1860 wrote to memory of 2060	1860	d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.exe	28
PID 1860 wrote to memory of 2060	1860	d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.exe	28
PID 1860 wrote to memory of 2060	1860	d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.exe	28
PID 1860 wrote to memory of 2060	1860	d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.exe	28
PID 2060 wrote to memory of 2692	2060	d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.exe	29
PID 2060 wrote to memory of 2692	2060	d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.exe	29
PID 2060 wrote to memory of 2692	2060	d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.exe	29
PID 2060 wrote to memory of 2692	2060	d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.exe	29
PID 2692 wrote to memory of 2648	2692	omsecor.exe	30
PID 2692 wrote to memory of 2648	2692	omsecor.exe	30
PID 2692 wrote to memory of 2648	2692	omsecor.exe	30
PID 2692 wrote to memory of 2648	2692	omsecor.exe	30
PID 2692 wrote to memory of 2648	2692	omsecor.exe	30
PID 2692 wrote to memory of 2648	2692	omsecor.exe	30
PID 2648 wrote to memory of 1336	2648	omsecor.exe	34
PID 2648 wrote to memory of 1336	2648	omsecor.exe	34
PID 2648 wrote to memory of 1336	2648	omsecor.exe	34
PID 2648 wrote to memory of 1336	2648	omsecor.exe	34
PID 1336 wrote to memory of 1636	1336	omsecor.exe	35
PID 1336 wrote to memory of 1636	1336	omsecor.exe	35
PID 1336 wrote to memory of 1636	1336	omsecor.exe	35
PID 1336 wrote to memory of 1636	1336	omsecor.exe	35
PID 1336 wrote to memory of 1636	1336	omsecor.exe	35
PID 1336 wrote to memory of 1636	1336	omsecor.exe	35
PID 1636 wrote to memory of 796	1636	omsecor.exe	36
PID 1636 wrote to memory of 796	1636	omsecor.exe	36
PID 1636 wrote to memory of 796	1636	omsecor.exe	36
PID 1636 wrote to memory of 796	1636	omsecor.exe	36
PID 796 wrote to memory of 2968	796	omsecor.exe	37
PID 796 wrote to memory of 2968	796	omsecor.exe	37
PID 796 wrote to memory of 2968	796	omsecor.exe	37
PID 796 wrote to memory of 2968	796	omsecor.exe	37
PID 796 wrote to memory of 2968	796	omsecor.exe	37
PID 796 wrote to memory of 2968	796	omsecor.exe	37

C:\Users\Admin\AppData\Local\Temp\d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.exe
"C:\Users\Admin\AppData\Local\Temp\d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Users\Admin\AppData\Local\Temp\d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.exe
  C:\Users\Admin\AppData\Local\Temp\d998c3692501dd8efb02f7286e8f7d6d6d424e8ccc1ae0523796c1256d23fcb2.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2060
- - C:\Users\Admin\AppData\Roaming\omsecor.exe
    C:\Users\Admin\AppData\Roaming\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2692
  - - C:\Users\Admin\AppData\Roaming\omsecor.exe
      C:\Users\Admin\AppData\Roaming\omsecor.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2648
    - - 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:1336
      - C:\Windows\SysWOW64\omsecor.exe
        
        C:\Windows\SysWOW64\omsecor.exe
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1636
        
        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:796
        
        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:2968

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

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

Filesize
96KB

MD5
5f607c56e2fe3ca072825993fb611a44

SHA1
000d9c306bf15861bac1a1757b6f312dd5a6f09e

SHA256
f52f26a20abf5baa956e227de6dadc2ed197a7ec061a10131b685a1b87d60ba4

SHA512
71d5acc2f0db426fc7d65995da7346bb229ccbd8e9688659c9c97e73de81d0273b59c166899ee68469122c2e00dafe5029fad9655294c51a9dbc306dc0d59da6

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

Filesize
96KB

MD5
bda0e514c9dd65fae440b0874e87b945

SHA1
99e86d2e1b34ec1024d806c6980e04e17db8cacb

SHA256
20e0555a64660fe5578cd763b66eecaa2c139d65c2675ef2c05bfff1f02a13f7

SHA512
522d042863469723aed5c7a5e5c4d392288fe4d04db58d33bd4889b2b8c13385256ab2b0d10ce0a710d670ad9c07c7249da367e754e9cfa874af46f7630ee78e

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
96KB

MD5
e9b713207fe723a43a89f1bb164fb805

SHA1
02759da733a3faa26f5e0f7058ae2a1f104eab4d

SHA256
1c4fd0ffbe06f2f3327be79ef90dc03288a039c9b061dbc4d394713fb4c272b3

SHA512
2cbe25f5bc6c0d954dd9ae87e274eda29462c2216f1c06a01e31a37da9407b0fdc50df9815ee2938e174dfd1c133def8b230efbdfd5c5f8a4216e0b2ca231826

Download Submit
memory/796-81-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/796-88-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1336-58-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1336-66-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1636-72-0x00000000002E0000-0x0000000000303000-memory.dmp

Filesize
140KB

Download
memory/1860-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1860-8-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2060-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2060-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2060-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2060-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2060-14-0x00000000003D0000-0x00000000003F3000-memory.dmp

Filesize
140KB

Download
memory/2060-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2648-49-0x0000000000340000-0x0000000000363000-memory.dmp

Filesize
140KB

Download
memory/2648-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2648-45-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2648-42-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2648-39-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2648-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2692-33-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2692-25-0x00000000003D0000-0x00000000003F3000-memory.dmp

Filesize
140KB

Download
memory/2692-22-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2968-91-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download