neconyd | 442a7856c1eb020e56594d387dbd2cd71a0496f00b671ba519ca84b7a3a7598b

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 21:28

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
442a7856c1eb020e56594d387dbd2cd71a0496f00b671ba519ca84b7a3a7598b.exe
Size 248KB
Sample240817-1bbslsxgmd
SHA256 442a7856c1eb020e56594d387dbd2cd71a0496f00b671ba519ca84b7a3a7598b
MD5 0f26e4cbff0053e59f6c38bd5115af0d
SHA1 d2f3bea2ca7bf23c289eb812160a7d525b8858e4
SHA512 a2e5a6522550530b1a1ce67048ac798e9f8d6599e404a2e73fce75909d66c517f5f13bd7764ee16f9dcbc1fbe2c991bc3f5c86ddcd8f5421e65f2a0d49fdecec
SSDEEP 1536:f4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:fIdseIO+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
952	omsecor.exe
3464	omsecor.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1316-0-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x0009000000023400-3.dat	upx
behavioral2/memory/1316-5-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/952-6-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/952-7-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/3464-12-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000a000000023479-11.dat	upx
behavioral2/memory/952-13-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/3464-14-0x0000000000400000-0x000000000043E000-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	442a7856c1eb020e56594d387dbd2cd71a0496f00b671ba519ca84b7a3a7598b.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 1316 wrote to memory of 952	1316	442a7856c1eb020e56594d387dbd2cd71a0496f00b671ba519ca84b7a3a7598b.exe	84
PID 1316 wrote to memory of 952	1316	442a7856c1eb020e56594d387dbd2cd71a0496f00b671ba519ca84b7a3a7598b.exe	84
PID 1316 wrote to memory of 952	1316	442a7856c1eb020e56594d387dbd2cd71a0496f00b671ba519ca84b7a3a7598b.exe	84
PID 952 wrote to memory of 3464	952	omsecor.exe	100
PID 952 wrote to memory of 3464	952	omsecor.exe	100
PID 952 wrote to memory of 3464	952	omsecor.exe	100

C:\Users\Admin\AppData\Local\Temp\442a7856c1eb020e56594d387dbd2cd71a0496f00b671ba519ca84b7a3a7598b.exe
"C:\Users\Admin\AppData\Local\Temp\442a7856c1eb020e56594d387dbd2cd71a0496f00b671ba519ca84b7a3a7598b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1316
- 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:952
- - 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:3464

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

Replay Monitor

Loading Replay Monitor...

Downloads

omsecor.exe

Path C:\Users\Admin\AppData\Roaming\omsecor.exe
Size 248KB
SHA256 78c50b771ab47e8cda508ba9615b8ba500df4663184310c2ded091130d9845aa
MD5 3a34abdd8486611c2b5b75e731659218
SHA1 17646419164b1b0a0c84b53dca714ea75be3b546
SHA512 a405c4cbab505865f337110858ce4f07cbfca16de648b580612ea273efea3b6949c36463ebde0d2efea6239a42e9964db88fc9ef93b097dcda20788a67b5ffd0
SSDEEP 1536:b4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:bIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

Submit Download

omsecor.exe

Path C:\Windows\SysWOW64\omsecor.exe
Size 248KB
SHA256 3817d16cab40f69efd3f64bc44b6afc2433aed2586b83f548418590ef5235fd3
MD5 3c4ca7960d722b4066e1975dea332d4c
SHA1 f6f69450769621352e16a9335eff97bbb9f7dbe5
SHA512 307437b943fe8d0eac3233185fb21608ed1be1c616517062565461d0c4c29f233d792b8d12dd03f5d8a178eae9d5ed4588beb85efd9a962a8851aad9a08e5591
SSDEEP 1536:F4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:FIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/952-6-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/952-7-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/952-13-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/1316-0-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/1316-5-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/3464-12-0x0000000000400000-0x000000000043E000-memory.dmp

Download

memory/3464-14-0x0000000000400000-0x000000000043E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads