Malware Analysis Report

2024-11-16 12:58

Sample ID 240818-khfr5sxhqq
Target d7625c49eb9fad3a7ec0434a0f674d10N.exe
SHA256 502122b7b1bb70ad90016451afddf796de362a2eca299f0af6948dd53a1e9a17
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

502122b7b1bb70ad90016451afddf796de362a2eca299f0af6948dd53a1e9a17

Threat Level: Known bad

The file d7625c49eb9fad3a7ec0434a0f674d10N.exe was found to be: Known bad.

Malicious Activity Summary

upx neconyd discovery trojan

Neconyd family

Neconyd

Executes dropped EXE

UPX packed file

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 08:35

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 08:35

Reported

2024-08-18 08:37

Platform

win7-20240705-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d7625c49eb9fad3a7ec0434a0f674d10N.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\Local\Temp\d7625c49eb9fad3a7ec0434a0f674d10N.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 2176 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\d7625c49eb9fad3a7ec0434a0f674d10N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2176 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\d7625c49eb9fad3a7ec0434a0f674d10N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2176 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\d7625c49eb9fad3a7ec0434a0f674d10N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2176 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\d7625c49eb9fad3a7ec0434a0f674d10N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2524 wrote to memory of 580 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2524 wrote to memory of 580 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2524 wrote to memory of 580 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2524 wrote to memory of 580 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 580 wrote to memory of 1868 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 580 wrote to memory of 1868 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 580 wrote to memory of 1868 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 580 wrote to memory of 1868 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d7625c49eb9fad3a7ec0434a0f674d10N.exe

"C:\Users\Admin\AppData\Local\Temp\d7625c49eb9fad3a7ec0434a0f674d10N.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
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

Files

memory/2176-0-0x0000000000400000-0x000000000043E000-memory.dmp

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

MD5 433dbad318d2e4c4391df92107ecdf08
SHA1 5fa78d6acc5115a4099b3f8f4af15d6362ead3ee
SHA256 4fdcf0778ccc566481f1f5cc1320076b32342ed4c7f0520c3d7be4edbbfcde40
SHA512 906513a8b08bfcb3050a65e3b1f2dab5aa137c492ae1485850345369513e63338938aca89e520fa1823d44938f5f81d58f574001b851a220669777b760ff812a

memory/2176-3-0x00000000001B0000-0x00000000001EE000-memory.dmp

memory/2176-9-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2524-12-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2524-13-0x0000000000400000-0x000000000043E000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 4250f99935f9480fc7ec1bc2bd165dd1
SHA1 c24d7340e6cb6d84a1ed8deffa0955a26b93c52e
SHA256 43daeeb5ad09d27929c9416d400cb84cc3aba91c5eed4eafc09d709a6fc86c8b
SHA512 8e6ad3b9eed425ce32aa0f736f0cbf0c4851559c52c3c109b187f3b9eca78f7d057741270706ba3fa5e4a047469210eaf04bf60b80a3ceaddf57650f30b7bbc0

memory/2524-25-0x0000000000400000-0x000000000043E000-memory.dmp

memory/580-27-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2524-24-0x0000000000390000-0x00000000003CE000-memory.dmp

memory/2524-23-0x0000000000390000-0x00000000003CE000-memory.dmp

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

MD5 40d7dd2366a3a74288677f5a67f51a7d
SHA1 050f3e2c9ae5ecd20b4d8dd6c6d49b3448e39f5a
SHA256 7367b530ad15c4710e7d8b92b67c06a53a9bbabcccaf63db880c60fb01ffe5eb
SHA512 43997e94ee65eb6a73beff7714cae529cce2fef35c48813d4d98142a52abb86a886fb666464fe7019da30ca0c7790f49a82034d5050bf555d0661840465613d4

memory/580-32-0x0000000000220000-0x000000000025E000-memory.dmp

memory/580-37-0x0000000000400000-0x000000000043E000-memory.dmp

memory/1868-40-0x0000000000400000-0x000000000043E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-18 08:35

Reported

2024-08-18 08:37

Platform

win10v2004-20240802-en

Max time kernel

115s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d7625c49eb9fad3a7ec0434a0f674d10N.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
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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\d7625c49eb9fad3a7ec0434a0f674d10N.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\d7625c49eb9fad3a7ec0434a0f674d10N.exe

"C:\Users\Admin\AppData\Local\Temp\d7625c49eb9fad3a7ec0434a0f674d10N.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 lousta.net udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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
US 8.8.8.8:53 10.28.171.150.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 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 73.91.225.64.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
FI 193.166.255.171:80 lousta.net tcp

Files

memory/2304-0-0x0000000000400000-0x000000000043E000-memory.dmp

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

MD5 433dbad318d2e4c4391df92107ecdf08
SHA1 5fa78d6acc5115a4099b3f8f4af15d6362ead3ee
SHA256 4fdcf0778ccc566481f1f5cc1320076b32342ed4c7f0520c3d7be4edbbfcde40
SHA512 906513a8b08bfcb3050a65e3b1f2dab5aa137c492ae1485850345369513e63338938aca89e520fa1823d44938f5f81d58f574001b851a220669777b760ff812a

memory/1584-4-0x0000000000400000-0x000000000043E000-memory.dmp

memory/2304-6-0x0000000000400000-0x000000000043E000-memory.dmp

memory/1584-7-0x0000000000400000-0x000000000043E000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 97e98b4bf237b55c79ad243750e4f177
SHA1 3f67a6c9d14e5c83b1b3f69a96041e341be6a654
SHA256 5eec4d2a6f0676d90db65850fb97ab91b7564e0a0ad9e4dda330306d2517ca10
SHA512 481809c33e3e632a0bcd9708047abae567c287945214ff2706de4a740ca21ae737f5a53d308656631a2a5bb11aded4cf7d014246335328bae07e4aba1456dc25

memory/4836-11-0x0000000000400000-0x000000000043E000-memory.dmp

memory/1584-12-0x0000000000400000-0x000000000043E000-memory.dmp

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

MD5 4f5d297038ffeb7221d051ed8d616245
SHA1 631aa1b753ad3cd361a14b154a908695bc734641
SHA256 dd786f4e6ba354f72b480349d6a918c37d79471250fd6d6d2702fb9976cd2ae2
SHA512 fc20931b30650b3fb868378a51d9664f92781068544ed2f919c1d2aabc6731e2c225a4f6c65927ad313188d5e42d77f9482a1a2a4fe7cb8976188de7c140a29c

memory/4348-17-0x0000000000400000-0x000000000043E000-memory.dmp

memory/4836-18-0x0000000000400000-0x000000000043E000-memory.dmp

memory/4348-20-0x0000000000400000-0x000000000043E000-memory.dmp