neconyd | fe35f989ec87eb6921b91ed69ba9a70d43802e634df699a5f60ba525e865348e

Analysis

max time kernel
116s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
24/07/2024, 11:35

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General

Target
7d802d64051fe328e19a9096aa841c40N.exe
Size 248KB
Sample240724-np5lmaxdkf
SHA256 fe35f989ec87eb6921b91ed69ba9a70d43802e634df699a5f60ba525e865348e
MD5 7d802d64051fe328e19a9096aa841c40
SHA1 b1fe335f91b806c5e59141ae1ec034773819a7da
SHA512 68ecf1edfbb982272f61c34638f51797731cc04c21d803be91573f74732912e778f89ce37841806511d4234988fa8bd3b1a56d191bf1a457856298d6675f56e4
SSDEEP 1536:I4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:IIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

neconyd discovery trojan upx

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

Executes dropped EXE 2 IoCs

pid	Process
3660	omsecor.exe
4480	omsecor.exe

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3060-0-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x00090000000228fb-3.dat	upx
behavioral2/memory/3060-6-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/3660-5-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/3660-7-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000400000001e740-10.dat	upx
behavioral2/memory/3660-13-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4480-12-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4480-14-0x0000000000400000-0x000000000043E000-memory.dmp	upx

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	7d802d64051fe328e19a9096aa841c40N.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 3060 wrote to memory of 3660	3060	7d802d64051fe328e19a9096aa841c40N.exe	84
PID 3060 wrote to memory of 3660	3060	7d802d64051fe328e19a9096aa841c40N.exe	84
PID 3060 wrote to memory of 3660	3060	7d802d64051fe328e19a9096aa841c40N.exe	84
PID 3660 wrote to memory of 4480	3660	omsecor.exe	99
PID 3660 wrote to memory of 4480	3660	omsecor.exe	99
PID 3660 wrote to memory of 4480	3660	omsecor.exe	99

C:\Users\Admin\AppData\Local\Temp\7d802d64051fe328e19a9096aa841c40N.exe
"C:\Users\Admin\AppData\Local\Temp\7d802d64051fe328e19a9096aa841c40N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3060
- 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:3660
- - 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:4480

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

omsecor.exe

Path C:\Users\Admin\AppData\Roaming\omsecor.exe
Size 248KB
SHA256 8ac94c02d6333197034a3da45084bbd1c544875cda88b4260227d6fc35f53b18
MD5 9e152f56237da2c2c29c4c7806614bc6
SHA1 a77f55572ae82159bcec15479f8431b1b6257149
SHA512 9d1a17a2866f54a66201fcf1a6e67abd09e5a0b2a1aa934610155e65be70a09a731b4094db8959fa161a525690bb1fc0c03f96811a84a6798c5b21c7d98ab4cf
SSDEEP 1536:t4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:tIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

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omsecor.exe

Path C:\Windows\SysWOW64\omsecor.exe
Size 248KB
SHA256 8e5c6e5940ab8064a9e296de4318a3701dd80e3bff2cc855138690431dbf4a17
MD5 1bbf6ad18412f726b5ac4d5facc460ee
SHA1 55003cc1f2915ee0e3ec0e62c6254293245321be
SHA512 890d15fbb70a39918cfadbc3ad2f0fd8539735305836791da7d083502472e55087bad20b78bc6f6e3a043add7bb33b3c2a9638802b66400ad365a738bfed1f38
SSDEEP 1536:14d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:1IdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

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memory/3060-0-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/3060-6-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/3660-5-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/3660-7-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/3660-13-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/4480-12-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/4480-14-0x0000000000400000-0x000000000043E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads