neconyd | 731a20881bd70bc2cdb997d35728400423fe1fde5e8a463e59f0e854f4c60c60

Analysis

max time kernel
115s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/09/2024, 11:40

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General

Target

c46fff229beffaa4bed28830fd469970N.exe
Size

35KB
MD5

c46fff229beffaa4bed28830fd469970
SHA1

67fe5c721624cd5df0cb7a9d8fab5a3f575433ef
SHA256

731a20881bd70bc2cdb997d35728400423fe1fde5e8a463e59f0e854f4c60c60
SHA512

1881dfb2b232c551074caaaef13a18d0892f98e6a653d1f22c3c4ab9fe2a4e06210d5785cf8b5451ffc39909332d6b081ddb39c92dc938b87de538fdbb872cbc
SSDEEP

768:D6vjVmakOElpmAsUA7DJHrhto2OsgwAPTUrpiEe7HpB:+8Z0kA7FHlO2OwOTUtKjpB

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
4004	omsecor.exe
1960	omsecor.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1568-0-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/files/0x000a00000002345f-3.dat	upx
behavioral2/memory/4004-4-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/1568-7-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4004-8-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4004-11-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4004-14-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4004-15-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/files/0x0008000000023474-18.dat	upx
behavioral2/memory/1960-19-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4004-22-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/1960-23-0x0000000000400000-0x000000000042D000-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	c46fff229beffaa4bed28830fd469970N.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 1568 wrote to memory of 4004	1568	c46fff229beffaa4bed28830fd469970N.exe	85
PID 1568 wrote to memory of 4004	1568	c46fff229beffaa4bed28830fd469970N.exe	85
PID 1568 wrote to memory of 4004	1568	c46fff229beffaa4bed28830fd469970N.exe	85
PID 4004 wrote to memory of 1960	4004	omsecor.exe	96
PID 4004 wrote to memory of 1960	4004	omsecor.exe	96
PID 4004 wrote to memory of 1960	4004	omsecor.exe	96

C:\Users\Admin\AppData\Local\Temp\c46fff229beffaa4bed28830fd469970N.exe
"C:\Users\Admin\AppData\Local\Temp\c46fff229beffaa4bed28830fd469970N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1568
- 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:4004
- - 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:1960

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
35KB

MD5
5d2bf1f543428a56db44001cd83a7290

SHA1
064213cb493876648bfc32b5ee5e19b658c65377

SHA256
e91f9e7aced7b7b6c56ff3f50e7625772304a89c448965622d41df8e0addb78b

SHA512
466f8d7b8a86f2dc162b3d1fea637ee203b700f3436253d2e8785a91db02f0a2177c9f32fc6f24fbb0bf84aa7c923d9fe55496fd5041ec737165e810e2a695fa

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

Filesize
35KB

MD5
f4e7a311a302b2a016b872e1d9ed0329

SHA1
0e29a3a55eb07aafb23ea78a7b3dc3f074e214b4

SHA256
d698820357f6531cbdd847f44139a47bbf8a46ee9d6baa18bd8376c407d0646d

SHA512
cbb317a22698747252f1e033e3e272b73b4419086fbae331fd3d6fe0974091825479a13294b16a3741a61e24c99862575e28c1e1c090eef5ea39a65fe8d3d62a

Download Submit
memory/1568-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1568-7-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1960-19-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1960-23-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4004-4-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4004-8-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4004-11-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4004-14-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4004-15-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4004-22-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download