Malware Analysis Report

2024-11-16 12:58

Sample ID 240818-vjqc3stgka
Target 75693cfba81fb00326ba9e4d1ade79e0N.exe
SHA256 47564772d274b0a650c18597b11ab9af811917ff3af9b86f3f640a9634cfa824
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

47564772d274b0a650c18597b11ab9af811917ff3af9b86f3f640a9634cfa824

Threat Level: Known bad

The file 75693cfba81fb00326ba9e4d1ade79e0N.exe was found to be: Known bad.

Malicious Activity Summary

neconyd discovery trojan upx

Neconyd

Neconyd family

Loads dropped DLL

UPX packed file

Executes dropped EXE

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 17:01

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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-18 17:01

Reported

2024-08-18 17:03

Platform

win7-20240704-en

Max time kernel

115s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\75693cfba81fb00326ba9e4d1ade79e0N.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
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
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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

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:\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\75693cfba81fb00326ba9e4d1ade79e0N.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 1656 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\75693cfba81fb00326ba9e4d1ade79e0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1656 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\75693cfba81fb00326ba9e4d1ade79e0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1656 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\75693cfba81fb00326ba9e4d1ade79e0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 1656 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\75693cfba81fb00326ba9e4d1ade79e0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2404 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2404 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2404 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2404 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2068 wrote to memory of 1732 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2068 wrote to memory of 1732 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2068 wrote to memory of 1732 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2068 wrote to memory of 1732 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\75693cfba81fb00326ba9e4d1ade79e0N.exe

"C:\Users\Admin\AppData\Local\Temp\75693cfba81fb00326ba9e4d1ade79e0N.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

Files

memory/1656-0-0x0000000000400000-0x000000000042D000-memory.dmp

memory/1656-10-0x0000000000400000-0x000000000042D000-memory.dmp

memory/1656-11-0x0000000000220000-0x000000000024D000-memory.dmp

memory/2404-14-0x0000000000400000-0x000000000042D000-memory.dmp

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

MD5 d8b05a2fc34178500f212de7ccc7c5c4
SHA1 c4fc00c3c988580818ea4293cf70c26ff23c0315
SHA256 bfe92586e89954ef6284bbad83c593be48f954b2bd63578efdb3f85401986f2e
SHA512 d5bd59dd562c5fa862237b132cf78e0b40ce45513489065f1fe9b6738959cb0bfb168bcf0699075cfa4822b080a697915c05a13f1f88b01bd6d3a79a42e2124a

memory/1656-8-0x0000000000220000-0x000000000024D000-memory.dmp

memory/2404-15-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2404-18-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2404-21-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2404-24-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2404-33-0x0000000000400000-0x000000000042D000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 38d2a6c0a3facffb0591e2a899406dd5
SHA1 2c66febd631542ab17057a34f6ac0efedf977a70
SHA256 6b3704eb6920807522c313bd4ae8d20f91fa4b4ffec64fc577e84089bb98b801
SHA512 79e5d487130bfa8be108de407cda5c763c28dd48ea1169d1f3f1887ef50b098a13dcaa393d385cda6df1794d92e131ecbd628cccc5933f21da39ea12455da9c1

memory/2068-37-0x0000000000400000-0x000000000042D000-memory.dmp

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

MD5 795fe64e3cc08f5a80f127e4b33caf87
SHA1 3c07b8c369ccff29bc8a6e6fa92d250c6128f574
SHA256 b2fb19f5fa609829d6e21fa32970e9e2f2b3d72637b67b649e4a1ff36c7685f2
SHA512 bd1faa5a1d3cf90df383e807ca56f9cc50030216df99d9ca04d9c044fbfd696e2b94ae6e069f655ffaa39796e52a2748696f3dfa2ccfb0bf2f5a91bfba6635f5

memory/2068-40-0x0000000000220000-0x000000000024D000-memory.dmp

memory/1732-48-0x0000000000400000-0x000000000042D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-18 17:01

Reported

2024-08-18 17:03

Platform

win10v2004-20240802-en

Max time kernel

114s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\75693cfba81fb00326ba9e4d1ade79e0N.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
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
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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

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\75693cfba81fb00326ba9e4d1ade79e0N.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\75693cfba81fb00326ba9e4d1ade79e0N.exe

"C:\Users\Admin\AppData\Local\Temp\75693cfba81fb00326ba9e4d1ade79e0N.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
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.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 mkkuei4kdsz.com udp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 240.143.123.92.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
US 8.8.8.8:53 43.58.199.20.in-addr.arpa 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
FI 193.166.255.171:80 lousta.net tcp

Files

memory/4876-0-0x0000000000400000-0x000000000042D000-memory.dmp

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

MD5 d8b05a2fc34178500f212de7ccc7c5c4
SHA1 c4fc00c3c988580818ea4293cf70c26ff23c0315
SHA256 bfe92586e89954ef6284bbad83c593be48f954b2bd63578efdb3f85401986f2e
SHA512 d5bd59dd562c5fa862237b132cf78e0b40ce45513489065f1fe9b6738959cb0bfb168bcf0699075cfa4822b080a697915c05a13f1f88b01bd6d3a79a42e2124a

memory/3376-4-0x0000000000400000-0x000000000042D000-memory.dmp

memory/4876-7-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3376-8-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3376-11-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3376-14-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3376-15-0x0000000000400000-0x000000000042D000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 dfd2f56e910307fa3f55aad61ef2d8c1
SHA1 91ad1d723641548ef487a16d0357a61a28a7573c
SHA256 c2b02837b1afa35bb6dcca6c0a6e7b299b03fffd9508bee31370afda34798062
SHA512 e6d73a9bfd88d6c987c3e4bc09b5ea5d51afecde664e776014da1140894ad1f15243fce731fc3ec5059d8015a28febbe13c458311a019a891171be6e817e539b

memory/516-19-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3376-22-0x0000000000400000-0x000000000042D000-memory.dmp

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

MD5 78eeba4b58697cfa1a422581e46e59cf
SHA1 945fa0e0e38209b04a5abfbc36d654b84cab481e
SHA256 202ec5dc69013802725561dde7735cd1fff5afbec2b19f8206505189d6d33202
SHA512 6e848d96c551766d7add8de11620e030c99f781ba6ee7930b97809cc8526f4261083d7ef4c5069b560fd53d62bdc0cf8514ac842ae3f61d38691173dbde690de

memory/3424-26-0x0000000000400000-0x000000000042D000-memory.dmp

memory/516-27-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3424-29-0x0000000000400000-0x000000000042D000-memory.dmp