neconyd | 9e2eea4f447a5e9b91c3240fed3f20064e63b164d16018de885d06c13917371a

Analysis

max time kernel
115s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 12:11

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General

Target
53e08c7cb106029c099eda0e509a35b0N.exe
Size 248KB
Sample240823-pcrpnsshld
SHA256 9e2eea4f447a5e9b91c3240fed3f20064e63b164d16018de885d06c13917371a
MD5 53e08c7cb106029c099eda0e509a35b0
SHA1 6e07365c710f9c2343ad89ce9e87efcf5f398b6f
SHA512 a933f801014a610d752251d1d249ee79b90083dd9befcd937eaf51c1a508dfd06865d5982c4e116c5e3b95194e45a5e40514c38e2d3ff82f74982ea70098e826
SSDEEP 1536:N4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:NIdseIO+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
2036	omsecor.exe
2924	omsecor.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1896-0-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x0008000000023486-3.dat	upx
behavioral2/memory/2036-5-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/1896-6-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/2036-7-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/files/0x000a00000002349d-10.dat	upx
behavioral2/memory/2924-11-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/2036-13-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/2924-14-0x0000000000400000-0x000000000043E000-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	53e08c7cb106029c099eda0e509a35b0N.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 1896 wrote to memory of 2036	1896	53e08c7cb106029c099eda0e509a35b0N.exe	87
PID 1896 wrote to memory of 2036	1896	53e08c7cb106029c099eda0e509a35b0N.exe	87
PID 1896 wrote to memory of 2036	1896	53e08c7cb106029c099eda0e509a35b0N.exe	87
PID 2036 wrote to memory of 2924	2036	omsecor.exe	102
PID 2036 wrote to memory of 2924	2036	omsecor.exe	102
PID 2036 wrote to memory of 2924	2036	omsecor.exe	102

C:\Users\Admin\AppData\Local\Temp\53e08c7cb106029c099eda0e509a35b0N.exe
"C:\Users\Admin\AppData\Local\Temp\53e08c7cb106029c099eda0e509a35b0N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1896
- 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:2036
- - 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:2924

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 c2b1a6a4d4b09d8c7a276b3f4aa30621e970708f6f3fcceb9e5b4d63a906b33d
MD5 6217b00cce5387e6d79f55924549b6f7
SHA1 46bef53e1d7c8cd486d798641fb9065bab7a04af
SHA512 d744bae9f216fd9d4207ca1da113bbb8e26f0150354e79fae877098ad283b3f53888fcf87fb8e3ca965ed2710da1d30aaed540b3a16d2cbad805af149f9c3017
SSDEEP 1536:Y4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:YIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

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omsecor.exe

Path C:\Windows\SysWOW64\omsecor.exe
Size 248KB
SHA256 282f627f21cffc0f3445290fc497c5ebff091cf030a4ce0bb902753508a6a171
MD5 847c4bfbdb1632c56ff71e305989841f
SHA1 086bff8af44cbea318580c8a79e0f4388fb523c4
SHA512 be18c53cf9a6c4dccf851dc167ce81d820c7c95109e3f0a88693f6366203110b66158a54ace95c53c32e6d34525ec3b5a8bebf22155326fc27a82c1385a821f2
SSDEEP 1536:y4d9dseIOc+93bIvYvZEyF4EEOF6N4yS+AQmZMnOHBRzU:yIdseIO+EZEyFjEOFqTiQmGnOHjzU
MD5 SHA1 SHA512 SSDEEP

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memory/1896-0-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/1896-6-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/2036-5-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/2036-7-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/2036-13-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/2924-11-0x0000000000400000-0x000000000043E000-memory.dmp

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memory/2924-14-0x0000000000400000-0x000000000043E000-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