neconyd | dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7

Analysis

max time kernel
145s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-01-2025 08:58

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General

Target

dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe
Size

96KB
MD5

6265f95b5751682f1cf51e2acbf42108
SHA1

1a92795b59ed886e299a84b5f1c6d179a7f9fda5
SHA256

dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7
SHA512

4614dc6c42a212b50e3fe839f9fbd2197fe34cb92e1c053506cb7f13087f8c16c35c2a4b1171d9cba76d8d815ed4605076452ae5af01b1c378a62e39e4c15c4b
SSDEEP

1536:xnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:xGs8cd8eXlYairZYqMddH13L

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
3012	omsecor.exe
2652	omsecor.exe
736	omsecor.exe
1908	omsecor.exe
556	omsecor.exe
2872	omsecor.exe

Loads dropped DLL 7 IoCs

pid	Process
1288	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe
1288	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe
3012	omsecor.exe
2652	omsecor.exe
2652	omsecor.exe
1908	omsecor.exe
1908	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 2072 set thread context of 1288	2072	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	31
PID 3012 set thread context of 2652	3012	omsecor.exe	33
PID 736 set thread context of 1908	736	omsecor.exe	36
PID 556 set thread context of 2872	556	omsecor.exe	38

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	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	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 1288	2072	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	31
PID 2072 wrote to memory of 1288	2072	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	31
PID 2072 wrote to memory of 1288	2072	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	31
PID 2072 wrote to memory of 1288	2072	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	31
PID 2072 wrote to memory of 1288	2072	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	31
PID 2072 wrote to memory of 1288	2072	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	31
PID 1288 wrote to memory of 3012	1288	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	32
PID 1288 wrote to memory of 3012	1288	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	32
PID 1288 wrote to memory of 3012	1288	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	32
PID 1288 wrote to memory of 3012	1288	dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe	32
PID 3012 wrote to memory of 2652	3012	omsecor.exe	33
PID 3012 wrote to memory of 2652	3012	omsecor.exe	33
PID 3012 wrote to memory of 2652	3012	omsecor.exe	33
PID 3012 wrote to memory of 2652	3012	omsecor.exe	33
PID 3012 wrote to memory of 2652	3012	omsecor.exe	33
PID 3012 wrote to memory of 2652	3012	omsecor.exe	33
PID 2652 wrote to memory of 736	2652	omsecor.exe	35
PID 2652 wrote to memory of 736	2652	omsecor.exe	35
PID 2652 wrote to memory of 736	2652	omsecor.exe	35
PID 2652 wrote to memory of 736	2652	omsecor.exe	35
PID 736 wrote to memory of 1908	736	omsecor.exe	36
PID 736 wrote to memory of 1908	736	omsecor.exe	36
PID 736 wrote to memory of 1908	736	omsecor.exe	36
PID 736 wrote to memory of 1908	736	omsecor.exe	36
PID 736 wrote to memory of 1908	736	omsecor.exe	36
PID 736 wrote to memory of 1908	736	omsecor.exe	36
PID 1908 wrote to memory of 556	1908	omsecor.exe	37
PID 1908 wrote to memory of 556	1908	omsecor.exe	37
PID 1908 wrote to memory of 556	1908	omsecor.exe	37
PID 1908 wrote to memory of 556	1908	omsecor.exe	37
PID 556 wrote to memory of 2872	556	omsecor.exe	38
PID 556 wrote to memory of 2872	556	omsecor.exe	38
PID 556 wrote to memory of 2872	556	omsecor.exe	38
PID 556 wrote to memory of 2872	556	omsecor.exe	38
PID 556 wrote to memory of 2872	556	omsecor.exe	38
PID 556 wrote to memory of 2872	556	omsecor.exe	38

C:\Users\Admin\AppData\Local\Temp\dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe
"C:\Users\Admin\AppData\Local\Temp\dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\AppData\Local\Temp\dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe
  C:\Users\Admin\AppData\Local\Temp\dc8638a995ef9800aae48a3a82ad44044a944229352cc366c1db73d9380f0ac7.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1288
- - 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:3012
  - - 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:2652
    - - 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:736
      - 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:1908
        
        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:556
        
        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:2872

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
c7c47a004eb060f5a0cc1fda7b78e9d9

SHA1
8ff3b25b85402f6c5b7009655419da2615c8ba5c

SHA256
6b602921fe6ba928bb6fa63287bf293280a23f637eef3b7da9d1a7d36c59c3cf

SHA512
c4232b41e51e1f450ea95fe1f71f902c354f822c68cd695d11505ae5e7be1985084d082b821ec272d86c845e7186b6a984430e47dbde02c12ad066de84707a5f

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

Filesize
96KB

MD5
1783f932b7a8e2c4a415816c97574f5f

SHA1
18d1b5a06f1fa63c44e30bbd5f3a41b745264065

SHA256
25b368c09cf8595cc240ce6b6655c0930a314ed5c72d1e57d6ad79f4057c2f98

SHA512
9a58b6a656bfe4ade8b6fe1cb62d288fb62e01c16849cefdb6b64d4eacc5a660ed86d75085d136873affb43f5fa945f85c0b7366f7996cb1582a9b93f1bd8b1b

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
96KB

MD5
3624d6cd51f22047d71c5661a6121498

SHA1
48ba019e99b084c3976d27e206eaf5a0f5e095e3

SHA256
a49f7c0c81e2b418fc70f8ee74acfb6eeed5ea42eace2cdec3b6192e35918f63

SHA512
c567a90c04c9f0c1dc08e828621715d859d8b8d2600e0119e1a12cdcaf790163dbd46b3cb6e30243f85d35a1ba57c0f300278c76029d8b0b81b48ca0616dfd74

Download Submit
memory/556-88-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/736-58-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/736-67-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1288-2-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1288-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1288-20-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1288-6-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1288-10-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1908-73-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/2072-8-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2072-1-0x00000000003D0000-0x00000000003F3000-memory.dmp

Filesize
140KB

Download
memory/2072-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2652-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2652-45-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2652-49-0x0000000000310000-0x0000000000333000-memory.dmp

Filesize
140KB

Download
memory/2652-42-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2652-37-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2652-36-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2872-90-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2872-93-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3012-33-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3012-25-0x00000000002B0000-0x00000000002D3000-memory.dmp

Filesize
140KB

Download
memory/3012-22-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download