Malware Analysis Report

2024-11-16 12:58

Sample ID 240818-nlqy3avckj
Target 8a53e6b93bb9c6c65c90bf8b7920cf2a32916b6ec452b86a8fb5634000aae370
SHA256 8a53e6b93bb9c6c65c90bf8b7920cf2a32916b6ec452b86a8fb5634000aae370
Tags
upx neconyd discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8a53e6b93bb9c6c65c90bf8b7920cf2a32916b6ec452b86a8fb5634000aae370

Threat Level: Known bad

The file 8a53e6b93bb9c6c65c90bf8b7920cf2a32916b6ec452b86a8fb5634000aae370 was found to be: Known bad.

Malicious Activity Summary

upx neconyd discovery trojan

Neconyd family

Neconyd

UPX packed file

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-18 11:29

Signatures

Neconyd family

neconyd

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-18 11:29

Reported

2024-08-18 11:31

Platform

win7-20240704-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8a53e6b93bb9c6c65c90bf8b7920cf2a32916b6ec452b86a8fb5634000aae370.exe"

Signatures

Neconyd

trojan neconyd

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
N/A N/A C:\Windows\SysWOW64\omsecor.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8a53e6b93bb9c6c65c90bf8b7920cf2a32916b6ec452b86a8fb5634000aae370.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2192 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\8a53e6b93bb9c6c65c90bf8b7920cf2a32916b6ec452b86a8fb5634000aae370.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2192 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\8a53e6b93bb9c6c65c90bf8b7920cf2a32916b6ec452b86a8fb5634000aae370.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2192 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\8a53e6b93bb9c6c65c90bf8b7920cf2a32916b6ec452b86a8fb5634000aae370.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2192 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\8a53e6b93bb9c6c65c90bf8b7920cf2a32916b6ec452b86a8fb5634000aae370.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2600 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2600 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2600 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2600 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2784 wrote to memory of 980 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2784 wrote to memory of 980 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2784 wrote to memory of 980 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2784 wrote to memory of 980 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8a53e6b93bb9c6c65c90bf8b7920cf2a32916b6ec452b86a8fb5634000aae370.exe

"C:\Users\Admin\AppData\Local\Temp\8a53e6b93bb9c6c65c90bf8b7920cf2a32916b6ec452b86a8fb5634000aae370.exe"

C:\Users\Admin\AppData\Roaming\omsecor.exe

C:\Users\Admin\AppData\Roaming\omsecor.exe

C:\Windows\SysWOW64\omsecor.exe

C:\Windows\System32\omsecor.exe

C:\Users\Admin\AppData\Roaming\omsecor.exe

C:\Users\Admin\AppData\Roaming\omsecor.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 lousta.net udp
FI 193.166.255.171:80 lousta.net tcp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 ow5dirasuek.com udp
US 52.34.198.229:80 ow5dirasuek.com tcp
FI 193.166.255.171:80 lousta.net tcp
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 mkkuei4kdsz.com tcp

Files

memory/2192-1-0x0000000000400000-0x000000000043E000-memory.dmp

\Users\Admin\AppData\Roaming\omsecor.exe

MD5 69831108eb6b444b612974498367891a
SHA1 241538951c7d8a3f395beb07cf3592e3166fffad
SHA256 a717da0318c9f9f61435ddde394ac56149a601755a5b3bc8a2711a8439ab25f7
SHA512 d702ff06b6ff4254fae92a0ef31b49684368ea56f30b7f1c4e6a0cf5310f21340a653f11d574ca1aef50d7220c50c0eaba49663bb49101706e8b4b61ce9c9edc

memory/2600-9-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2600-11-0x0000000000400000-0x000000000043E000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 78ac544f20ec35f7841027cfce795ec4
SHA1 e8b23db010b3705d99cbcfbf3537fa76dbfe755f
SHA256 3abebd47b92b7a636605ae8c1d97fff8575429bcfdde21d65b653c1ea8842ef5
SHA512 c7d3c3c7bb8d4add1782c5d167b82af27af1ba59c1e6603e75496536ab085ac0d7004468132e2111c54230e024bb6f9b67f9f38e8a2b694b5fede6dff7186536

memory/2600-17-0x0000000000480000-0x00000000004BE000-memory.dmp

memory/2784-24-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2600-23-0x0000000000480000-0x00000000004BE000-memory.dmp

memory/2600-25-0x0000000000400000-0x000000000043E000-memory.dmp

\Users\Admin\AppData\Roaming\omsecor.exe

MD5 778677b3dc5f809c1af8e1657ec7bee1
SHA1 45abb867b862bcff995340090f0ef46702a124a0
SHA256 20597818389aeb4c118a62c0832dcf16b0c5ee3af31860230c7990b1d258b55a
SHA512 ab2c1d60e80a150b3e6f65b924d63f15c839374fdb6bd7571e2416239a025acd842e6eaf861a090c9bca4a365a4a467c5dc981f54a95bb321e60c15c205fa151

memory/2784-34-0x0000000000400000-0x000000000043E000-memory.dmp

memory/980-36-0x0000000000400000-0x000000000043E000-memory.dmp

memory/980-38-0x0000000000400000-0x000000000043E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-18 11:29

Reported

2024-08-18 11:31

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8a53e6b93bb9c6c65c90bf8b7920cf2a32916b6ec452b86a8fb5634000aae370.exe"

Signatures

Neconyd

trojan neconyd

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
N/A N/A C:\Windows\SysWOW64\omsecor.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\omsecor.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8a53e6b93bb9c6c65c90bf8b7920cf2a32916b6ec452b86a8fb5634000aae370.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8a53e6b93bb9c6c65c90bf8b7920cf2a32916b6ec452b86a8fb5634000aae370.exe

"C:\Users\Admin\AppData\Local\Temp\8a53e6b93bb9c6c65c90bf8b7920cf2a32916b6ec452b86a8fb5634000aae370.exe"

C:\Users\Admin\AppData\Roaming\omsecor.exe

C:\Users\Admin\AppData\Roaming\omsecor.exe

C:\Windows\SysWOW64\omsecor.exe

C:\Windows\System32\omsecor.exe

C:\Users\Admin\AppData\Roaming\omsecor.exe

C:\Users\Admin\AppData\Roaming\omsecor.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 lousta.net udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 73.91.225.64.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 ow5dirasuek.com udp
US 52.34.198.229:80 ow5dirasuek.com tcp
US 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp

Files

memory/4016-0-0x0000000000400000-0x000000000043E000-memory.dmp

C:\Users\Admin\AppData\Roaming\omsecor.exe

MD5 69831108eb6b444b612974498367891a
SHA1 241538951c7d8a3f395beb07cf3592e3166fffad
SHA256 a717da0318c9f9f61435ddde394ac56149a601755a5b3bc8a2711a8439ab25f7
SHA512 d702ff06b6ff4254fae92a0ef31b49684368ea56f30b7f1c4e6a0cf5310f21340a653f11d574ca1aef50d7220c50c0eaba49663bb49101706e8b4b61ce9c9edc

memory/572-5-0x0000000000400000-0x000000000043E000-memory.dmp

memory/4016-6-0x0000000000400000-0x000000000043E000-memory.dmp

memory/572-7-0x0000000000400000-0x000000000043E000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 83dc6a8d590620d489a4528cce5c4483
SHA1 a0bb872cf73cd137a747b4d193905c808f0da19d
SHA256 7806404e5893b6c8b20441cc128e50eb5ff549f79a412dd12075018c6ca005a4
SHA512 2eca8f07ce5242d0d31a64142ca79e08203420e655defd03bc317e41c50d9c486149a453ed131b6e791fbc7253499055ba03aa94a51556c06efa4a9a8e5f00eb

memory/4264-11-0x0000000000400000-0x000000000043E000-memory.dmp

memory/572-13-0x0000000000400000-0x000000000043E000-memory.dmp

memory/4264-17-0x0000000000400000-0x000000000043E000-memory.dmp

C:\Users\Admin\AppData\Roaming\omsecor.exe

MD5 2bbf0573a9df8fac3a32cd3f8ad204bc
SHA1 ec886b23474a3f45be56e1cb99b3d11f953a027b
SHA256 6e160225a2411be7a4b083b68f3467eb3b54a9fb37c0384608eb03f6bcc7773c
SHA512 3ab15893c65725024599b3d3897bafe77cb386e9f78d42d2ca5b1d6b20cb25a38a03de966972edc2ff622ab88854cbb2f8813e67a8e3a52b333fbb8d8b9c9563

memory/2700-18-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2700-20-0x0000000000400000-0x000000000043E000-memory.dmp