neconyd | 5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5

Analysis

max time kernel
114s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/01/2025, 16:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe
Size

76KB
MD5

a0272e6696253c44389e1c479d1414d0
SHA1

776216cb2cb426a382eb1f60fd7327a586440260
SHA256

5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5
SHA512

fd20b0d38d67be144dfa5cc618ed8f3b2c6a7c7fce486d3079fd4ff70ba7a45e01e60488a0b868f52c38b3e2ab5954906329b0e2c7cd7e673924588356bf9ecf
SSDEEP

1536:vd9dseIOcE93bIvYvZEyF4EEOF6N4XS+AQmZTl/5w11:HdseIOMEZEyFjEOFqaiQm5l/5w11

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
2680	omsecor.exe
1112	omsecor.exe

Loads dropped DLL 4 IoCs

pid	Process
2100	5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe
2100	5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe
2680	omsecor.exe
2680	omsecor.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\omsecor.exe	omsecor.exe
File opened for modification	C:\Windows\SysWOW64\merocz.xc6	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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2680	2100	5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe	30
PID 2100 wrote to memory of 2680	2100	5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe	30
PID 2100 wrote to memory of 2680	2100	5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe	30
PID 2100 wrote to memory of 2680	2100	5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe	30
PID 2680 wrote to memory of 1112	2680	omsecor.exe	33
PID 2680 wrote to memory of 1112	2680	omsecor.exe	33
PID 2680 wrote to memory of 1112	2680	omsecor.exe	33
PID 2680 wrote to memory of 1112	2680	omsecor.exe	33

C:\Users\Admin\AppData\Local\Temp\5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe
"C:\Users\Admin\AppData\Local\Temp\5f3d5f3ac404b493c79aaf8f48f259c07624c4890009c38943649521927c8ce5N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Users\Admin\AppData\Roaming\omsecor.exe
  C:\Users\Admin\AppData\Roaming\omsecor.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2680
- - 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:1112

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

Loading Replay Monitor...

Downloads

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

Filesize
76KB

MD5
c09ced903103d15271e9083abe6fd953

SHA1
684e5631117f0ba6de4e46b42138c73ec0b7f7df

SHA256
b6fa58efe98fde3963c70168b6f0d6a0ad32aa5b5cbfc9a17a0578468c8c1fe1

SHA512
94e0875453c1f781edaddb4cee0b7c943d5a5ab96a33ea31b64c9f5fb9dbd202eb11cc5019520534dba6aedcb2b19caf504b9132ca18a8d6b5595216533d54ba

Download Submit
\Windows\SysWOW64\omsecor.exe

Filesize
76KB

MD5
f5719fa617c9a943c64df1ead1433491

SHA1
18d80f9710a6c2308da20d0b9fc44509eac1037c

SHA256
dfbede0f5427dd4d979b0139523a95e23e17a8ce9c693d7b0f580bb83cd913be

SHA512
f2e5b8db93d04dc56df2b85a02b821d500d183340c0f040f52ce8d1bc4547358f47b1506bf536028b0cc025d77d16bbf2cdfbdfdeb9ceb43609f52141d518863

Download Submit
memory/1112-25-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2100-1-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2680-9-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2680-11-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2680-16-0x00000000002A0000-0x00000000002CA000-memory.dmp

Filesize
168KB

Download
memory/2680-23-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download