neconyd | 735677d4143d776df89593901f262fbc479aa22bfc80db6ee91b6ec0efa819e3

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
04-01-2025 00:58

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General

Target

735677d4143d776df89593901f262fbc479aa22bfc80db6ee91b6ec0efa819e3N.exe
Size

90KB
MD5

0f4662f4a3e895d04e9545bbb712e8d0
SHA1

32344fe5ff404341298aceae54e1fb5961afb94e
SHA256

735677d4143d776df89593901f262fbc479aa22bfc80db6ee91b6ec0efa819e3
SHA512

6ab8c15638f42a00dd373099ae46baae3e0668e8bc096e573ed4158d2fdb115d003f2245ba02bd1f68489380a822f8549d6b1493dba6b9d5b3b120bd7efe0157
SSDEEP

768:zMEIvFGvZEr8LFK0ic46N4zeSdPAHwmZGp6JXXlaa5uA6:zbIvYvZEyFKF6N4aS5AQmZTl/5C

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 2 IoCs

pid	Process
1728	omsecor.exe
3176	omsecor.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\merocz.xc6	omsecor.exe
File created	C:\Windows\SysWOW64\omsecor.exe	omsecor.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	735677d4143d776df89593901f262fbc479aa22bfc80db6ee91b6ec0efa819e3N.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 6 IoCs

description	pid	Process	procid_target
PID 4388 wrote to memory of 1728	4388	735677d4143d776df89593901f262fbc479aa22bfc80db6ee91b6ec0efa819e3N.exe	83
PID 4388 wrote to memory of 1728	4388	735677d4143d776df89593901f262fbc479aa22bfc80db6ee91b6ec0efa819e3N.exe	83
PID 4388 wrote to memory of 1728	4388	735677d4143d776df89593901f262fbc479aa22bfc80db6ee91b6ec0efa819e3N.exe	83
PID 1728 wrote to memory of 3176	1728	omsecor.exe	101
PID 1728 wrote to memory of 3176	1728	omsecor.exe	101
PID 1728 wrote to memory of 3176	1728	omsecor.exe	101

C:\Users\Admin\AppData\Local\Temp\735677d4143d776df89593901f262fbc479aa22bfc80db6ee91b6ec0efa819e3N.exe
"C:\Users\Admin\AppData\Local\Temp\735677d4143d776df89593901f262fbc479aa22bfc80db6ee91b6ec0efa819e3N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4388
- C:\Users\Admin\AppData\Roaming\omsecor.exe
  C:\Users\Admin\AppData\Roaming\omsecor.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1728
- - C:\Windows\SysWOW64\omsecor.exe
    C:\Windows\System32\omsecor.exe
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    PID:3176

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
90KB

MD5
5c6595cbc6600107c4ec47c15caf79d2

SHA1
48abdaa3a16929f1bc6a09d1c073e6151a61561c

SHA256
a248a3df8f62406020a1e9a961e94a35946741ed705acb0edfdce190a7856585

SHA512
775ab21c8da8f73efdd377447abd4ce80642eb1f60fb9d9874de69a0f19b3564aeec57716151a60ed5fe5f8268508be5031a2fd22eb95d2fbe4637965fd7fbce

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

Filesize
90KB

MD5
28fd224e88c14d761958210a94b735d7

SHA1
3a692b40940b05c0e59e91dc51ab625f41949aae

SHA256
82c0cf1766f95e910de5fcdc7d1707f2df33459cfc8e2298c10eff4ff5dea583

SHA512
bd6c51ece6dd66a4e9edbeb49967a34ae1507ae2e74be8bd33583b7169708bbe31cc229ef5b743344f38179e7d48b18b909fd4f617dbe3f49f160f28afecd8fb

Download Submit
memory/1728-4-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1728-7-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/1728-13-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3176-11-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3176-14-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4388-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4388-6-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download