neconyd | eeb6aa7ce9da18a3641218a38ad028c078d5f5d3ed9f329734678c14ce7aa6f4

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
25/07/2024, 14:30

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General

Target

d8cfe74eaa707ae96ae588c33d610e60N.exe
Size

35KB
MD5

d8cfe74eaa707ae96ae588c33d610e60
SHA1

2db800a053fa7645eee7f2d36a845ec2f93d2e8b
SHA256

eeb6aa7ce9da18a3641218a38ad028c078d5f5d3ed9f329734678c14ce7aa6f4
SHA512

77036461e8d81a32eab664b88a9bb5a1397341b3746dff9177e9769083a2611208e9eac564fc5e21d73d7792bde6a254d1517c52fb8e19f936a1044efe6f1549
SSDEEP

768:46vjVmakOElpmAsUA7DJHrhto2OsgwAPTUrpiEe7HpB:/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
748	omsecor.exe
4128	omsecor.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2188-0-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/2188-6-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/748-5-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/files/0x000900000002345b-4.dat	upx
behavioral2/memory/748-7-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/748-10-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/748-13-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/748-14-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/files/0x000a0000000234c8-17.dat	upx
behavioral2/memory/748-18-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4128-20-0x0000000000400000-0x000000000042D000-memory.dmp	upx
behavioral2/memory/4128-21-0x0000000000400000-0x000000000042D000-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	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	omsecor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d8cfe74eaa707ae96ae588c33d610e60N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 748	2188	d8cfe74eaa707ae96ae588c33d610e60N.exe	86
PID 2188 wrote to memory of 748	2188	d8cfe74eaa707ae96ae588c33d610e60N.exe	86
PID 2188 wrote to memory of 748	2188	d8cfe74eaa707ae96ae588c33d610e60N.exe	86
PID 748 wrote to memory of 4128	748	omsecor.exe	100
PID 748 wrote to memory of 4128	748	omsecor.exe	100
PID 748 wrote to memory of 4128	748	omsecor.exe	100

C:\Users\Admin\AppData\Local\Temp\d8cfe74eaa707ae96ae588c33d610e60N.exe
"C:\Users\Admin\AppData\Local\Temp\d8cfe74eaa707ae96ae588c33d610e60N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2188
- 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:748
- - 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:4128

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
dcf297cff02f505a43ad8f02b5ff2f5a

SHA1
29316af7e1155dbe9808c1ff94c1c57bb4621772

SHA256
c7ee1454de37de24c58e00303b8757ca7c66884eaccc420bb112091fcb924e66

SHA512
f528a89538f2720a017e4b0c68f6f1133dd03c9b3ce0dae6e76999f7f96417a3e60bc6e3d9c82dc409de92bea7e9fb2bd1dff3c74cf72761ff43d06a3ea7d8f6

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

Filesize
35KB

MD5
4332fccedb3e3c8fc5b9cee9b169e40a

SHA1
2c8f89f24f232cbcdfecf8d61f59c69b57131cfb

SHA256
4b0d528671426356dd87ac0c3f5033a9030f56bfaaa4fe5d37ee57d271a6ce22

SHA512
4a7bc82aa37c9e2556b4b3373473e234555f8c29d6d899917e87da46f4751601ababe70e5139151725991f8f406cd33cae794f9ee1a8446229f0bad959dcd495

Download Submit
memory/748-5-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/748-7-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/748-10-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/748-13-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/748-14-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/748-18-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2188-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2188-6-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4128-20-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4128-21-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download