Malware Analysis Report

2024-11-16 12:57

Sample ID 240815-1h113s1ajq
Target 50ecbcc8f992c22417b59ec9ed5a2d950dc0a6d88a7e498b1dac6a3ef6594538
SHA256 50ecbcc8f992c22417b59ec9ed5a2d950dc0a6d88a7e498b1dac6a3ef6594538
Tags
neconyd discovery trojan upx
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

50ecbcc8f992c22417b59ec9ed5a2d950dc0a6d88a7e498b1dac6a3ef6594538

Threat Level: Known bad

The file 50ecbcc8f992c22417b59ec9ed5a2d950dc0a6d88a7e498b1dac6a3ef6594538 was found to be: Known bad.

Malicious Activity Summary

neconyd discovery trojan upx

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

2024-08-15 21:39

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
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Analysis: behavioral1

Detonation Overview

Submitted

2024-08-15 21:39

Reported

2024-08-15 21:42

Platform

win7-20240729-en

Max time kernel

146s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\50ecbcc8f992c22417b59ec9ed5a2d950dc0a6d88a7e498b1dac6a3ef6594538.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
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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\50ecbcc8f992c22417b59ec9ed5a2d950dc0a6d88a7e498b1dac6a3ef6594538.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 1456 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\50ecbcc8f992c22417b59ec9ed5a2d950dc0a6d88a7e498b1dac6a3ef6594538.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1456 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\50ecbcc8f992c22417b59ec9ed5a2d950dc0a6d88a7e498b1dac6a3ef6594538.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1456 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\50ecbcc8f992c22417b59ec9ed5a2d950dc0a6d88a7e498b1dac6a3ef6594538.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1456 wrote to memory of 2500 N/A C:\Users\Admin\AppData\Local\Temp\50ecbcc8f992c22417b59ec9ed5a2d950dc0a6d88a7e498b1dac6a3ef6594538.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2500 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2500 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2500 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2500 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2156 wrote to memory of 2992 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2156 wrote to memory of 2992 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2156 wrote to memory of 2992 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2156 wrote to memory of 2992 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\50ecbcc8f992c22417b59ec9ed5a2d950dc0a6d88a7e498b1dac6a3ef6594538.exe

"C:\Users\Admin\AppData\Local\Temp\50ecbcc8f992c22417b59ec9ed5a2d950dc0a6d88a7e498b1dac6a3ef6594538.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/1456-0-0x0000000000400000-0x000000000042D000-memory.dmp

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

MD5 0756e6f85f254876e3c24c638c6af98f
SHA1 2aa0f0f3cb803413f432f5e30395176902f59000
SHA256 b7a6f67fe735000147c6854782dcbdce06785b2e3e47f3f70e5d3400007e9e8d
SHA512 6b21e31482afd0f6bc1d5ff277ed9fdd04fe510c59bdd5796eac356b3411a987c8bdbf2231471843f735c7c2bc8317bce807ffd0c628a0e877ff602647d63e75

memory/1456-10-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2500-13-0x0000000000400000-0x000000000042D000-memory.dmp

memory/1456-4-0x0000000000220000-0x000000000024D000-memory.dmp

memory/2500-14-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2500-17-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2500-20-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2500-23-0x0000000000400000-0x000000000042D000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 db96fd5a97b9816eae18c5e6de4239a1
SHA1 0d51e1f254f08258d401b6f78b0d03d1d440d107
SHA256 7fc8be9f4ae1f15c61d09462980dfbe5875cbe2feee258e6f13df872aac00a4d
SHA512 ca30c1a20242b56e08014abf633cd9c0d3e3acd954804800f9a2d17cba37a987292aed548448ff0b8f42e39774f9b0b4f45c2406e7d8e1db16e3efe1f4ef20b9

memory/2500-27-0x0000000000330000-0x000000000035D000-memory.dmp

memory/2156-35-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2500-33-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2992-47-0x0000000000400000-0x000000000042D000-memory.dmp

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

MD5 ce49af9582e87185ef7c3b3f6a1d4496
SHA1 ddb43401dc44c9a269fda516da4ecda26e1a1e34
SHA256 dacecb799217447e3de875e9a52bae5609d741c72ea64b7dc34df0f18f54fa3b
SHA512 e4ac88c42a2096ca51099b9206d7275fb790db6e8886720bd62330ae2d995d2ec8f110b8963351f0cf6fc5b0a3de3fb7da043a2cc052d7fc2458c7855b740755

memory/2156-45-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2992-49-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2992-52-0x0000000000400000-0x000000000042D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-15 21:39

Reported

2024-08-15 21:42

Platform

win10v2004-20240802-en

Max time kernel

145s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\50ecbcc8f992c22417b59ec9ed5a2d950dc0a6d88a7e498b1dac6a3ef6594538.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
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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\50ecbcc8f992c22417b59ec9ed5a2d950dc0a6d88a7e498b1dac6a3ef6594538.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

Processes

C:\Users\Admin\AppData\Local\Temp\50ecbcc8f992c22417b59ec9ed5a2d950dc0a6d88a7e498b1dac6a3ef6594538.exe

"C:\Users\Admin\AppData\Local\Temp\50ecbcc8f992c22417b59ec9ed5a2d950dc0a6d88a7e498b1dac6a3ef6594538.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
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 100.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 mkkuei4kdsz.com udp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.91.225.64.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.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 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 mkkuei4kdsz.com tcp

Files

memory/2912-0-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3292-4-0x0000000000400000-0x000000000042D000-memory.dmp

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

MD5 0756e6f85f254876e3c24c638c6af98f
SHA1 2aa0f0f3cb803413f432f5e30395176902f59000
SHA256 b7a6f67fe735000147c6854782dcbdce06785b2e3e47f3f70e5d3400007e9e8d
SHA512 6b21e31482afd0f6bc1d5ff277ed9fdd04fe510c59bdd5796eac356b3411a987c8bdbf2231471843f735c7c2bc8317bce807ffd0c628a0e877ff602647d63e75

memory/2912-6-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3292-8-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3292-11-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3292-14-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3292-15-0x0000000000400000-0x000000000042D000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 c6a1b28015656b6afdf263c80dfbd5e2
SHA1 39addd5c21a3fae692ec70bd52a6a5f1c293b76d
SHA256 c31248880d148ba964a373726dd7bceb5890ef0f4055a387bbf94f326673be5e
SHA512 d3f9e08f897087a31cba4f54f53f1fcd0fc4fdc7faed341f29ec99c8853c08bbb7b932128f3e6abac124e304acc94f906e1bedd34e3369cce38e9d40032bd104

memory/4624-19-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3292-22-0x0000000000400000-0x000000000042D000-memory.dmp

memory/4624-27-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3400-28-0x0000000000400000-0x000000000042D000-memory.dmp

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

MD5 9505e560687806da4ec3eead9688748b
SHA1 271f9130704e13099b993d9eda17bd80127db53b
SHA256 250c083b61102cc60657364acbe10bc21ed911c786e4a1f17f8e1b1de9dc6fb0
SHA512 934b8e9a6768a2b27ef8f04b180c5ccd1c508d009b2afd140f84242b99a0edd4e213eaf839384720646e9e2acb6fc1d1dc04bba0e8809053cbde9c9bf2b11df8

memory/3400-30-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3400-33-0x0000000000400000-0x000000000042D000-memory.dmp