neconyd | 769ba79662503407fb2e507eddf406c1d57508fb741cdf6cabd2af460dbf7903

Analysis

max time kernel
114s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 04:37

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General

Target
030ed17dc2ee036d3798b48497f58a50N.exe
Size 248KB
Sample240821-e8sazazfpd
SHA256 769ba79662503407fb2e507eddf406c1d57508fb741cdf6cabd2af460dbf7903
MD5 030ed17dc2ee036d3798b48497f58a50
SHA1 06948a7642ea8ccfff76cc448914fd4fadf422d6
SHA512 95e1f1aeae6b9863fdbc8dfec4b654b8961e9848196c0df2c6db49d07f05ec18b19d36ed2fd8886e100adc0fe1d16147d1bb0ea3356438ad16412323f630e5f5
SSDEEP 1536:34d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:3IdseIO+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
4444	omsecor.exe
3408	omsecor.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/792-0-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x00090000000233d9-3.dat	upx
behavioral2/memory/4444-4-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/792-5-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4444-7-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000900000002343e-10.dat	upx
behavioral2/memory/3408-11-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4444-13-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/3408-14-0x0000000000400000-0x000000000043E000-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	030ed17dc2ee036d3798b48497f58a50N.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 792 wrote to memory of 4444	792	030ed17dc2ee036d3798b48497f58a50N.exe	84
PID 792 wrote to memory of 4444	792	030ed17dc2ee036d3798b48497f58a50N.exe	84
PID 792 wrote to memory of 4444	792	030ed17dc2ee036d3798b48497f58a50N.exe	84
PID 4444 wrote to memory of 3408	4444	omsecor.exe	101
PID 4444 wrote to memory of 3408	4444	omsecor.exe	101
PID 4444 wrote to memory of 3408	4444	omsecor.exe	101

C:\Users\Admin\AppData\Local\Temp\030ed17dc2ee036d3798b48497f58a50N.exe
"C:\Users\Admin\AppData\Local\Temp\030ed17dc2ee036d3798b48497f58a50N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:792
- 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:4444
- - 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:3408

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 79c8bb7a0e1d061be72a8a0be8e2feee4f614d0d41d9453dd58837873d23013f
MD5 c1bf253524fef890d453b679be8957c1
SHA1 bf3d7925e22591351e69cd4b57963c84f6d7220a
SHA512 ccc1faa8b9674fec2c9225dd9f44136756edbe22f589f44b76d8a993d0c8c55eb9e8a9ca851c2996e45c4b81c095e7543233774a6e81e6fd4d70f88b583784b4
SSDEEP 1536:/4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:/IdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

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omsecor.exe

Path C:\Windows\SysWOW64\omsecor.exe
Size 248KB
SHA256 6f6a4f20cadc7863484c587c4ebbaed6a055bb0e6918faa78cb631867313acc7
MD5 ea358cb6b70a8ef077486ccc74349570
SHA1 505dc8c748365dcc8c9ab5d69effbc87bcd04fe2
SHA512 f2acc9926f3957be9866bdac3bb695f4f97a279d0609061ec510846f6dd3c0493250af52da403a02e0ec3cca3d0f5402d54ced1918e513f3ddb2bbc76d8b04da
SSDEEP 1536:j4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:jIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

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memory/792-0-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/792-5-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/3408-11-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/3408-14-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/4444-4-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/4444-7-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/4444-13-0x0000000000400000-0x000000000043E000-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