neconyd | 0f6f998a6506ca1388136ed189eb64ba73ed4246fe448c4c8df1df241a80c031

Analysis

max time kernel
114s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 21:15

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General

Target

0c11e21cde5de4e4d7cc16f2ba824920N.exe
Size

248KB
MD5

0c11e21cde5de4e4d7cc16f2ba824920
SHA1

6edd7f365d2050f5fcceadbe2af1698ae4d2c74a
SHA256

0f6f998a6506ca1388136ed189eb64ba73ed4246fe448c4c8df1df241a80c031
SHA512

64e3a43c536721c68376f70790f092dd8b723804bc80a8e7849085bb0c9f0bd7c7e75835b7694eed4c47c765b2dd0d0855e6c6da564ab0174735258a447b6b65
SSDEEP

1536:A4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:AIdseIO+EZEyFjEOFqTiQmGnOHjzU

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
4260	omsecor.exe
1948	omsecor.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/208-0-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000a00000002344a-3.dat	upx
behavioral2/memory/208-5-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4260-6-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4260-7-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/1948-13-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4260-12-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000900000002346d-11.dat	upx
behavioral2/memory/1948-14-0x0000000000400000-0x000000000043E000-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	0c11e21cde5de4e4d7cc16f2ba824920N.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 208 wrote to memory of 4260	208	0c11e21cde5de4e4d7cc16f2ba824920N.exe	83
PID 208 wrote to memory of 4260	208	0c11e21cde5de4e4d7cc16f2ba824920N.exe	83
PID 208 wrote to memory of 4260	208	0c11e21cde5de4e4d7cc16f2ba824920N.exe	83
PID 4260 wrote to memory of 1948	4260	omsecor.exe	100
PID 4260 wrote to memory of 1948	4260	omsecor.exe	100
PID 4260 wrote to memory of 1948	4260	omsecor.exe	100

C:\Users\Admin\AppData\Local\Temp\0c11e21cde5de4e4d7cc16f2ba824920N.exe
"C:\Users\Admin\AppData\Local\Temp\0c11e21cde5de4e4d7cc16f2ba824920N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:208
- 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:4260
- - 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:1948

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
248KB

MD5
2d8c1a4433658961c38b35d2ffdfd640

SHA1
9320cdd71ce8e1703da1569c152ef4ef20cf4800

SHA256
5d304e51b026eac97754660cb869fd86170649521f64f3cd07fb798029cfcb5a

SHA512
eebb4fa736551debe9d9bfe5df47317aa6196356fcc3c8b7bbbdb50826b63546f2fa8a2e746a80206c3a337e0fda20dd51518628cd35e1a1be725399c072c50e

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

Filesize
248KB

MD5
67e4456ce75db6c18e053eaaa82817c6

SHA1
62b7350d306ce86735e715e516b44dcc3064e262

SHA256
51ccfe5d01f2ffa632c51d829fd1ace384b7862da74759e839db25bcc27bb76e

SHA512
5749451b52446934ed2a7961c6fd2d07e2f409f1f4547a8b404a4c93b341dd634e3e6a4490883e25717fde7bdf6473f01b7c13a3cdb476e17cf64294d97b20c6

Download Submit
memory/208-0-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/208-5-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1948-13-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1948-14-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4260-6-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4260-7-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4260-12-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download