Malware Analysis Report

2024-11-16 13:01

Sample ID 240522-llxqhaag58
Target eaae9fc535aefba66d6f8cd5dd2ae9049d351a76f9d0d6197a1da78e36cd5d0f
SHA256 eaae9fc535aefba66d6f8cd5dd2ae9049d351a76f9d0d6197a1da78e36cd5d0f
Tags
neconyd trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

eaae9fc535aefba66d6f8cd5dd2ae9049d351a76f9d0d6197a1da78e36cd5d0f

Threat Level: Known bad

The file eaae9fc535aefba66d6f8cd5dd2ae9049d351a76f9d0d6197a1da78e36cd5d0f was found to be: Known bad.

Malicious Activity Summary

neconyd trojan

Neconyd family

Neconyd

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-22 09:37

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-22 09:37

Reported

2024-05-22 09:40

Platform

win7-20240221-en

Max time kernel

123s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eaae9fc535aefba66d6f8cd5dd2ae9049d351a76f9d0d6197a1da78e36cd5d0f.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

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2020 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\eaae9fc535aefba66d6f8cd5dd2ae9049d351a76f9d0d6197a1da78e36cd5d0f.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2020 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\eaae9fc535aefba66d6f8cd5dd2ae9049d351a76f9d0d6197a1da78e36cd5d0f.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2020 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\eaae9fc535aefba66d6f8cd5dd2ae9049d351a76f9d0d6197a1da78e36cd5d0f.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2020 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\eaae9fc535aefba66d6f8cd5dd2ae9049d351a76f9d0d6197a1da78e36cd5d0f.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2784 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2784 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2784 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2784 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2760 wrote to memory of 924 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2760 wrote to memory of 924 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2760 wrote to memory of 924 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2760 wrote to memory of 924 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\eaae9fc535aefba66d6f8cd5dd2ae9049d351a76f9d0d6197a1da78e36cd5d0f.exe

"C:\Users\Admin\AppData\Local\Temp\eaae9fc535aefba66d6f8cd5dd2ae9049d351a76f9d0d6197a1da78e36cd5d0f.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 35.91.124.102:80 ow5dirasuek.com tcp
FI 193.166.255.171:80 lousta.net tcp
FI 193.166.255.171:80 lousta.net tcp

Files

memory/2020-1-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 b16b0312517545a53103ca6a5b8cfcbe
SHA1 f3543b81dfccb2a09bdcad0313f3d95cb14a4a6f
SHA256 f36d38211fc2aeaeae51d0f78326131b9d350dffd1339e9ed4a751b49dee1140
SHA512 b7415e587507b2affa4daf8c9b16beeef72d620a92683ee5dc0ac8385370bcc729b5275139e26e7a75ec2dfda215a2505eba6fc5a9c4f8aaeb3a592e6979df79

memory/2020-9-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2020-8-0x00000000001B0000-0x00000000001DB000-memory.dmp

memory/2784-12-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2784-13-0x0000000000400000-0x000000000042B000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 126a49d47c3cdcfb132e6b2d9cc40765
SHA1 c6757791be48b76c5dc37d083d429e946f7ef970
SHA256 4efddf13659217e2ac20262dbc2dcf69af7865069ccdf65d02d24e992066a0d9
SHA512 cd1dc9c78cfe89527ff4e793fee46c97213af8e2231fee9080d89bd139596b6845964443e2e208c2667cb8f35aa4425e265816ddf4b50350d16b555aba3268a7

memory/2784-18-0x0000000002660000-0x000000000268B000-memory.dmp

memory/2784-24-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 a15a1272e52cd24e78379224a6ee5f3b
SHA1 b5f043e4c0760b9937a65c4b87e2735a483bd6ee
SHA256 04fec2dff13863798c6d77842797ef7dc7ddb19399d8c4c2f7053d7ef0564d1b
SHA512 ad73994effd244c4dcb7d3c52808fdda8cd15572fa8fe55b63a6a068cc0f9972ff1cf1a93e4f7adc29eaedc13de10f834aaa7e4bc225f7543799cafc9886a262

memory/2760-30-0x0000000000430000-0x000000000045B000-memory.dmp

memory/924-38-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2760-36-0x0000000000400000-0x000000000042B000-memory.dmp

memory/924-39-0x0000000000400000-0x000000000042B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 09:37

Reported

2024-05-22 09:40

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eaae9fc535aefba66d6f8cd5dd2ae9049d351a76f9d0d6197a1da78e36cd5d0f.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

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

Processes

C:\Users\Admin\AppData\Local\Temp\eaae9fc535aefba66d6f8cd5dd2ae9049d351a76f9d0d6197a1da78e36cd5d0f.exe

"C:\Users\Admin\AppData\Local\Temp\eaae9fc535aefba66d6f8cd5dd2ae9049d351a76f9d0d6197a1da78e36cd5d0f.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.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 8.8.8.8:53 198.187.3.20.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 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 73.91.225.64.in-addr.arpa udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 ow5dirasuek.com udp
US 35.91.124.102:80 ow5dirasuek.com tcp
US 8.8.8.8:53 102.124.91.35.in-addr.arpa udp
US 52.111.229.43:443 tcp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
FI 193.166.255.171:80 lousta.net tcp
US 64.225.91.73:80 mkkuei4kdsz.com tcp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp

Files

memory/3692-0-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 b16b0312517545a53103ca6a5b8cfcbe
SHA1 f3543b81dfccb2a09bdcad0313f3d95cb14a4a6f
SHA256 f36d38211fc2aeaeae51d0f78326131b9d350dffd1339e9ed4a751b49dee1140
SHA512 b7415e587507b2affa4daf8c9b16beeef72d620a92683ee5dc0ac8385370bcc729b5275139e26e7a75ec2dfda215a2505eba6fc5a9c4f8aaeb3a592e6979df79

memory/3692-4-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2328-6-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2328-7-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 07ddabd86dd2c4bf53a684e7bc7eb5ad
SHA1 af9ddccd8603665558a09116b5bfca9fe2de61fd
SHA256 460bf5b50b7a14416e60fb807f0bff49b460a8308973d8438e98980646607597
SHA512 48d417f513884939de93d948287c0ea417e9cad5fcd6a5b6c09705e79bea12d87232fece329ccd9491ce02a85ee8ebbf9dd8c2768a67cb53d79a718a1db36636

memory/1960-13-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2328-12-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 442b002a38c399561a559bf0ae303d27
SHA1 7a4c69624fe551d4e3829cb30658069239ab79f3
SHA256 b9534cc3d8a2b460bea68afc4c2d1551c1defc1aa71dda39ba7a96de82af07cc
SHA512 6f872e30dc49f9c66a2b79a33245317dba8431af7d49f7e8d726c7fb45bec99bfa3bf3cc4e00524b1b636a882f2c8b8cfb05a7c984898541e1fd286a893c05d2

memory/1960-17-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1952-18-0x0000000000400000-0x000000000042B000-memory.dmp

memory/1952-20-0x0000000000400000-0x000000000042B000-memory.dmp