neconyd | f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47e

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12-01-2025 20:36

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General

Target

f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe
Size

96KB
MD5

3076cf51738ce95e89569894b2fc7b40
SHA1

7d60990e226390257d7627dc0bb21ae491a21391
SHA256

f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47e
SHA512

cc311f8be8e08e1b1fbda869352201283671fedadd89b9fd7b9d3af7591d11d0273a1941793e372b948431f4a8170a687148714f2aee3e17824bfbeffc949d10
SSDEEP

1536:EnAHcBbLmdvduLd8IDiaP/8A68YaiIv2RwEYqlwi+BzdAeV9b5ADbyxxL:EGs8cd8eXlYairZYqMddH13L

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
2808	omsecor.exe
2880	omsecor.exe
1400	omsecor.exe
1440	omsecor.exe
1296	omsecor.exe
1080	omsecor.exe

Loads dropped DLL 7 IoCs

pid	Process
2104	f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe
2104	f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe
2808	omsecor.exe
2880	omsecor.exe
2880	omsecor.exe
1440	omsecor.exe
1440	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 3020 set thread context of 2104	3020	f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe	30
PID 2808 set thread context of 2880	2808	omsecor.exe	32
PID 1400 set thread context of 1440	1400	omsecor.exe	35
PID 1296 set thread context of 1080	1296	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	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	f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.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 36 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2104	3020	f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe	30
PID 3020 wrote to memory of 2104	3020	f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe	30
PID 3020 wrote to memory of 2104	3020	f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe	30
PID 3020 wrote to memory of 2104	3020	f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe	30
PID 3020 wrote to memory of 2104	3020	f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe	30
PID 3020 wrote to memory of 2104	3020	f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe	30
PID 2104 wrote to memory of 2808	2104	f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe	31
PID 2104 wrote to memory of 2808	2104	f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe	31
PID 2104 wrote to memory of 2808	2104	f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe	31
PID 2104 wrote to memory of 2808	2104	f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe	31
PID 2808 wrote to memory of 2880	2808	omsecor.exe	32
PID 2808 wrote to memory of 2880	2808	omsecor.exe	32
PID 2808 wrote to memory of 2880	2808	omsecor.exe	32
PID 2808 wrote to memory of 2880	2808	omsecor.exe	32
PID 2808 wrote to memory of 2880	2808	omsecor.exe	32
PID 2808 wrote to memory of 2880	2808	omsecor.exe	32
PID 2880 wrote to memory of 1400	2880	omsecor.exe	34
PID 2880 wrote to memory of 1400	2880	omsecor.exe	34
PID 2880 wrote to memory of 1400	2880	omsecor.exe	34
PID 2880 wrote to memory of 1400	2880	omsecor.exe	34
PID 1400 wrote to memory of 1440	1400	omsecor.exe	35
PID 1400 wrote to memory of 1440	1400	omsecor.exe	35
PID 1400 wrote to memory of 1440	1400	omsecor.exe	35
PID 1400 wrote to memory of 1440	1400	omsecor.exe	35
PID 1400 wrote to memory of 1440	1400	omsecor.exe	35
PID 1400 wrote to memory of 1440	1400	omsecor.exe	35
PID 1440 wrote to memory of 1296	1440	omsecor.exe	36
PID 1440 wrote to memory of 1296	1440	omsecor.exe	36
PID 1440 wrote to memory of 1296	1440	omsecor.exe	36
PID 1440 wrote to memory of 1296	1440	omsecor.exe	36
PID 1296 wrote to memory of 1080	1296	omsecor.exe	37
PID 1296 wrote to memory of 1080	1296	omsecor.exe	37
PID 1296 wrote to memory of 1080	1296	omsecor.exe	37
PID 1296 wrote to memory of 1080	1296	omsecor.exe	37
PID 1296 wrote to memory of 1080	1296	omsecor.exe	37
PID 1296 wrote to memory of 1080	1296	omsecor.exe	37

C:\Users\Admin\AppData\Local\Temp\f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe
"C:\Users\Admin\AppData\Local\Temp\f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Users\Admin\AppData\Local\Temp\f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe
  C:\Users\Admin\AppData\Local\Temp\f5e99fb8061cf5e593ecb45ce3c4cfe95e1a9e1a0f84814f41b69eaea99cc47eN.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2104
- - 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:2808
  - - 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:2880
    - - 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:1400
      - 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:1440
        
        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:1296
        
        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:1080

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
5380557f87dbdce5df6b891ee51953ca

SHA1
3bf0eb859e6cf123bb090297e8b99fb23580810a

SHA256
cab388cb4ff5ea21173816d2f7f694f83137c0b08ffd51dc20bc3b249173bac6

SHA512
729c20863b1f4dbdadff127e4706d4785e6ac721f50afeafb91ec14ff15a94430b11e225848c06df8af06253c808178ff56b70ac268cbe28c0b90bbfdce229ea

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

Filesize
96KB

MD5
bbb37cc1f96be22adfb9e45fc6661fca

SHA1
89addd5b6f801187e546067217b0d3ea05f19498

SHA256
e57a492783bfa98e1669ac482b3263c03bc97f2ddbb076441e87b8d2758e46b6

SHA512
8143bee174191c93168d9c0530dfeb6d04770d543c622dea50c7dbd5b509bf3ba341ba860bc8e2796ac3c4b706427d383d8562ccc6453b28dfcad58c5e7d3acb

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
96KB

MD5
cf3ac9176a846863b100719567b3ce4f

SHA1
7237359a6055d1508bdcc2a276b3eff4a88deb08

SHA256
5438e14e7a9683949606a6a216bdde0f73e9d1c71c23725db98e4ac5098c67e6

SHA512
e0dafd6996d08a57462b511c56ca6bc39394a3d452f4c3c709c571c41168a28c87e973fb80a95710533466acc1528c95ffe68176cf24d5537287a0983fac433e

Download Submit
memory/1080-91-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1296-89-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1296-81-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1400-66-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1400-58-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1440-73-0x0000000000430000-0x0000000000453000-memory.dmp

Filesize
140KB

Download
memory/2104-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2104-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2104-5-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2104-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2104-11-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2808-21-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2808-24-0x0000000000230000-0x0000000000253000-memory.dmp

Filesize
140KB

Download
memory/2808-32-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2880-54-0x0000000000290000-0x00000000002B3000-memory.dmp

Filesize
140KB

Download
memory/2880-53-0x0000000000290000-0x00000000002B3000-memory.dmp

Filesize
140KB

Download
memory/2880-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2880-44-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2880-41-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2880-38-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2880-35-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3020-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3020-7-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download