neconyd | 235f540bc6fd775a3eaac29aa64d37ad70fa0a694e3e7da7131d85989e0ed513

Analysis

max time kernel
115s
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
27/07/2024, 04:26

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General

Target
906a611daf751e75d6f811a92159c8a0N.exe
Size 248KB
Sample240727-e2tv8azgmb
SHA256 235f540bc6fd775a3eaac29aa64d37ad70fa0a694e3e7da7131d85989e0ed513
MD5 906a611daf751e75d6f811a92159c8a0
SHA1 97cc29933d2cef43a42cb32243503b870aa31e1b
SHA512 d0ea054b46a8548d44969ccc5560d8c4c7680cd50e56e1124ee229b835cf92c7776bf96be35a4b33d339b50263e254cb77b35d758b5024f39aa9f11118fc7c78
SSDEEP 1536:/4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:/IdseIO+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
4688	omsecor.exe
2152	omsecor.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4704-0-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000800000002344c-3.dat	upx
behavioral2/memory/4688-5-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4704-6-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4688-7-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000400000001e73b-10.dat	upx
behavioral2/memory/2152-12-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4688-13-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/2152-14-0x0000000000400000-0x000000000043E000-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	906a611daf751e75d6f811a92159c8a0N.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 4704 wrote to memory of 4688	4704	906a611daf751e75d6f811a92159c8a0N.exe	87
PID 4704 wrote to memory of 4688	4704	906a611daf751e75d6f811a92159c8a0N.exe	87
PID 4704 wrote to memory of 4688	4704	906a611daf751e75d6f811a92159c8a0N.exe	87
PID 4688 wrote to memory of 2152	4688	omsecor.exe	99
PID 4688 wrote to memory of 2152	4688	omsecor.exe	99
PID 4688 wrote to memory of 2152	4688	omsecor.exe	99

C:\Users\Admin\AppData\Local\Temp\906a611daf751e75d6f811a92159c8a0N.exe
"C:\Users\Admin\AppData\Local\Temp\906a611daf751e75d6f811a92159c8a0N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4704
- 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:4688
- - 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:2152

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 f6140ae5a9d5687b9fb143a6ae3957292c4b4226a8b88fe2107a286a811f26c1
MD5 0fc681253f50184ba05f3bceecdc78c3
SHA1 f9b20ca0f812674fd03a77ba0c4025ea3385a989
SHA512 dcd9949dd4173eef87ac5bf393fe89de1685e241049d82a186e88c4037ca7b77b6987a080ac77809e40a2e2b5996554803c3a317644e5742ffe54539477d0239
SSDEEP 1536:74d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:7IdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

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omsecor.exe

Path C:\Windows\SysWOW64\omsecor.exe
Size 248KB
SHA256 c56a30114b78a811ce4c1cdc1332c235a0eaf87a6544a38e6084886a5f1177db
MD5 c80f94901c73776910d1344c8d7544b8
SHA1 cb47983e7eafb69ac929b252a89a5c1af2df17a3
SHA512 b7268fe21632aac86f00d8c1406e1c7b81d2a121ebb09fabac907f24322a68067ac925fba453021d4e6c9e30828b599f9a86b3b11b53934b3072b3af1941ffc1
SSDEEP 1536:M4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:MIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

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memory/2152-12-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/2152-14-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/4688-5-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/4688-7-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/4688-13-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/4704-0-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/4704-6-0x0000000000400000-0x000000000043E000-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