neconyd | 8891257eb0c5f2f5174bb4d8263576f1c3db1ef337c1995970b12471d80c58f6

Analysis

max time kernel
114s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 00:37

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General

Target

8891257eb0c5f2f5174bb4d8263576f1c3db1ef337c1995970b12471d80c58f6N.exe
Size

80KB
MD5

4affced65f7e21ae8f762cdec29cc000
SHA1

f97e21b5cb05ba69532165946d39e52d0b57025e
SHA256

8891257eb0c5f2f5174bb4d8263576f1c3db1ef337c1995970b12471d80c58f6
SHA512

580ef2762e6038af7534b5a355bf00dfb5b82010cdbf949b680d603b3fb92f592cd3dc6b7c4e4885b7d3a247c0e29acf97c51e62fca3428f2e04e0d5113574a4
SSDEEP

768:nfMEIvFGvZEr8LFK0ic46N47eSdYAHwmZGp6JXXlaa5uA:nfbIvYvZEyFKF6N4yS+AQmZTl/5

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
1704	omsecor.exe
2848	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	8891257eb0c5f2f5174bb4d8263576f1c3db1ef337c1995970b12471d80c58f6N.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 4184 wrote to memory of 1704	4184	8891257eb0c5f2f5174bb4d8263576f1c3db1ef337c1995970b12471d80c58f6N.exe	83
PID 4184 wrote to memory of 1704	4184	8891257eb0c5f2f5174bb4d8263576f1c3db1ef337c1995970b12471d80c58f6N.exe	83
PID 4184 wrote to memory of 1704	4184	8891257eb0c5f2f5174bb4d8263576f1c3db1ef337c1995970b12471d80c58f6N.exe	83
PID 1704 wrote to memory of 2848	1704	omsecor.exe	101
PID 1704 wrote to memory of 2848	1704	omsecor.exe	101
PID 1704 wrote to memory of 2848	1704	omsecor.exe	101

C:\Users\Admin\AppData\Local\Temp\8891257eb0c5f2f5174bb4d8263576f1c3db1ef337c1995970b12471d80c58f6N.exe
"C:\Users\Admin\AppData\Local\Temp\8891257eb0c5f2f5174bb4d8263576f1c3db1ef337c1995970b12471d80c58f6N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4184
- 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:1704
- - 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:2848

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

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Downloads

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

Filesize
80KB

MD5
5c58e89f87ffd1d95af7d093fbd0b5fd

SHA1
381e925e58de768820a291c4287459888a628276

SHA256
fccc725c756d1d604aa4ac05e03c1819a9fab158065c3b7d7158b99f8440d4ac

SHA512
4dc7f21be34a78b7b386eb4f305ceb597ec257463b627729f75faa727749df39b57c661bd7ba2cac440b898e61690b527eebe737629e8676ddd552d74a61d3e5

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C:\Windows\SysWOW64\omsecor.exe

Filesize
80KB

MD5
26bdb1271319415d685692a4ed0838ed

SHA1
039dd0739402d0a8dfdd96cd52fe47b27b0027d4

SHA256
6ec026cdc9605cc918b65776c1f6c0fe2702170759debc8814e887ac3b0f3d4e

SHA512
af4dfbd27f68ba36659b8e916cf7d8a183cd944774519f721763d39f09f252cd2028305954654ae8f7d1c409beabb1848d2cb18df34292f3261c43dacb6a2530

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