Malware Analysis Report

2024-11-16 12:58

Sample ID 240818-29atmszgqa
Target ab4dedf6e12a49ee8bedf85b3203a7f0N.exe
SHA256 3203cfa8739f2b1fa705f3230662cbcf868a71f43df5d0b4d31582d89ab9c926
Tags
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

3203cfa8739f2b1fa705f3230662cbcf868a71f43df5d0b4d31582d89ab9c926

Threat Level: Known bad

The file ab4dedf6e12a49ee8bedf85b3203a7f0N.exe was found to be: Known bad.

Malicious Activity Summary

neconyd discovery trojan

Neconyd family

Neconyd

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 23:16

Signatures

Neconyd family

neconyd

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-18 23:16

Reported

2024-08-18 23:18

Platform

win7-20240705-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ab4dedf6e12a49ee8bedf85b3203a7f0N.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

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\ab4dedf6e12a49ee8bedf85b3203a7f0N.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 2348 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\ab4dedf6e12a49ee8bedf85b3203a7f0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2348 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\ab4dedf6e12a49ee8bedf85b3203a7f0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2348 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\ab4dedf6e12a49ee8bedf85b3203a7f0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2348 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\ab4dedf6e12a49ee8bedf85b3203a7f0N.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2196 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2196 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2196 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2196 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Roaming\omsecor.exe C:\Windows\SysWOW64\omsecor.exe
PID 2920 wrote to memory of 236 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2920 wrote to memory of 236 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2920 wrote to memory of 236 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe
PID 2920 wrote to memory of 236 N/A C:\Windows\SysWOW64\omsecor.exe C:\Users\Admin\AppData\Roaming\omsecor.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ab4dedf6e12a49ee8bedf85b3203a7f0N.exe

"C:\Users\Admin\AppData\Local\Temp\ab4dedf6e12a49ee8bedf85b3203a7f0N.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/2348-1-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 f552ca15710cf1d95beac0800a810cbe
SHA1 e3d36705c8b209ca3b5c1cb06d82643218b4d817
SHA256 e3024e531e8aa641f159d9094a61fdb6b55d4dc4452879272bc6d5c206abe646
SHA512 f10ba157f391c41771fd2615088e5c58343e807dc43f704d44c1eef93728bea2de92b7643bc24832264eace531cf33808e6a1c3e9fc66538ea19845fa1b27065

memory/2348-8-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2196-11-0x0000000000400000-0x000000000042B000-memory.dmp

memory/2196-12-0x0000000000400000-0x000000000042B000-memory.dmp

\Windows\SysWOW64\omsecor.exe

MD5 2aaccc003be549d8e3a1c2279c6f09f5
SHA1 d2ae304ac60778c352679c73b2ac446ace9f035f
SHA256 daac198c25ae971705e46e64266468e42b086ba6961bf51f4d20b7c6eb89ee68
SHA512 5e5b0343674d745f677ac22339250d828d0265e3dd6c0ea1c1329a4f9cdbf8b35c9518ba3d1f411d0c6a1802a8c700df7f919d23192679db8dac8d79af847958

memory/2196-17-0x0000000000280000-0x00000000002AB000-memory.dmp

memory/2196-25-0x0000000000280000-0x00000000002AB000-memory.dmp

memory/2196-23-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 8d53ad0bb610bc8f1107e7badf841fae
SHA1 21806882fe089757ebd89b63985b761f2ee9bcd2
SHA256 42ac68a5607f4c305d0dcd4a5404513fa7a0beac224e2e8a08f771320ed81706
SHA512 b61afd788581ecb3a5c1a7bb48938f813f2b3814091e40cd60827a379b1ebc6a8a5324d54b12f62acd44a399e0d9131108eae49efee677354ef71a74a9ae4072

memory/2920-29-0x0000000000220000-0x000000000024B000-memory.dmp

memory/2920-35-0x0000000000400000-0x000000000042B000-memory.dmp

memory/236-38-0x0000000000400000-0x000000000042B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-18 23:16

Reported

2024-08-18 23:18

Platform

win10v2004-20240802-en

Max time kernel

114s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ab4dedf6e12a49ee8bedf85b3203a7f0N.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

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\ab4dedf6e12a49ee8bedf85b3203a7f0N.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\ab4dedf6e12a49ee8bedf85b3203a7f0N.exe

"C:\Users\Admin\AppData\Local\Temp\ab4dedf6e12a49ee8bedf85b3203a7f0N.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
FI 193.166.255.171:80 lousta.net tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.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 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 19.229.111.52.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
FI 193.166.255.171:80 lousta.net tcp

Files

memory/1304-0-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 f552ca15710cf1d95beac0800a810cbe
SHA1 e3d36705c8b209ca3b5c1cb06d82643218b4d817
SHA256 e3024e531e8aa641f159d9094a61fdb6b55d4dc4452879272bc6d5c206abe646
SHA512 f10ba157f391c41771fd2615088e5c58343e807dc43f704d44c1eef93728bea2de92b7643bc24832264eace531cf33808e6a1c3e9fc66538ea19845fa1b27065

memory/1304-6-0x0000000000400000-0x000000000042B000-memory.dmp

memory/4456-4-0x0000000000400000-0x000000000042B000-memory.dmp

memory/4456-7-0x0000000000400000-0x000000000042B000-memory.dmp

C:\Windows\SysWOW64\omsecor.exe

MD5 6833d47df5d0f3251a96d079fce616dd
SHA1 9c3a96c1b848527c9bf7fe5bc6ac23b63c618fc6
SHA256 b82eab4b1694a0eba914d11cbb69e403d254e32ac00c5be1f1c0562a78938d88
SHA512 12c3a3c109426dad12488cfe856f2e3fd0e737c2ea3fff70234a069f10c5e14eb27a579b76a04dda142983aa09714c1ce97b6315e13fef734831ff553acc857f

memory/4780-11-0x0000000000400000-0x000000000042B000-memory.dmp

memory/4456-13-0x0000000000400000-0x000000000042B000-memory.dmp

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

MD5 66151d6d015148fcd23bf666f63eeee7
SHA1 534df2939abe74d5a26bbc2e2793f9117044391d
SHA256 e70f9a70a3e0079bd80120ad78655ca4bab52b5786036fbdeb27bb91004004c9
SHA512 36c79f6ee049c11ab5223acbb471ab8b667b5a79be8dbd1932f885fe5ea7940d21165f88e6257e904e498b9a2bc61db988510c73825e763b3cdb32fedb8584a7

memory/4780-17-0x0000000000400000-0x000000000042B000-memory.dmp

memory/3684-18-0x0000000000400000-0x000000000042B000-memory.dmp

memory/3684-20-0x0000000000400000-0x000000000042B000-memory.dmp