Analysis Overview
SHA256
475930304ddec613ea123921dbabe479adeb1f66f44b7e1799c54518c998be6c
Threat Level: Known bad
The file NEAS.4b55f3df2821daf0e027191ee5d28460.exe was found to be: Known bad.
Malicious Activity Summary
Sakula
Loads dropped DLL
Deletes itself
Executes dropped EXE
Adds Run key to start application
Unsigned PE
Modifies registry key
Runs ping.exe
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-16 18:20
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-16 18:20
Reported
2023-10-16 20:36
Platform
win7-20230831-en
Max time kernel
147s
Max time network
167s
Command Line
Signatures
Sakula
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.4b55f3df2821daf0e027191ee5d28460.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\NEAS.4b55f3df2821daf0e027191ee5d28460.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\NEAS.4b55f3df2821daf0e027191ee5d28460.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.4b55f3df2821daf0e027191ee5d28460.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Windows\SysWOW64\reg.exe
reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 & del "C:\Users\Admin\AppData\Local\Temp\NEAS.4b55f3df2821daf0e027191ee5d28460.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.we11point.com | udp |
Files
memory/2176-0-0x0000000000400000-0x000000000040A000-memory.dmp
memory/2176-1-0x0000000000400000-0x000000000040A000-memory.dmp
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 4002c9ef9e4253766ca69d641228fc94 |
| SHA1 | 27bffc4911d448e0ebc714091edbf89c287c71a1 |
| SHA256 | cfe2ab1e0c9b7f2d37172801d5c244901c6ec0f3c3f47a764e82381ab12a5716 |
| SHA512 | 6f4103ff1031fd7e1ea413735ab1be50cad5c4d7fc2d03a112e9066200bd652b16bf4833b83e904437361fc1cf3749c07c7b0b08e7cd0aa292a5e5936bd8cab4 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 4002c9ef9e4253766ca69d641228fc94 |
| SHA1 | 27bffc4911d448e0ebc714091edbf89c287c71a1 |
| SHA256 | cfe2ab1e0c9b7f2d37172801d5c244901c6ec0f3c3f47a764e82381ab12a5716 |
| SHA512 | 6f4103ff1031fd7e1ea413735ab1be50cad5c4d7fc2d03a112e9066200bd652b16bf4833b83e904437361fc1cf3749c07c7b0b08e7cd0aa292a5e5936bd8cab4 |
memory/2176-10-0x0000000000220000-0x000000000022A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 4002c9ef9e4253766ca69d641228fc94 |
| SHA1 | 27bffc4911d448e0ebc714091edbf89c287c71a1 |
| SHA256 | cfe2ab1e0c9b7f2d37172801d5c244901c6ec0f3c3f47a764e82381ab12a5716 |
| SHA512 | 6f4103ff1031fd7e1ea413735ab1be50cad5c4d7fc2d03a112e9066200bd652b16bf4833b83e904437361fc1cf3749c07c7b0b08e7cd0aa292a5e5936bd8cab4 |
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 4002c9ef9e4253766ca69d641228fc94 |
| SHA1 | 27bffc4911d448e0ebc714091edbf89c287c71a1 |
| SHA256 | cfe2ab1e0c9b7f2d37172801d5c244901c6ec0f3c3f47a764e82381ab12a5716 |
| SHA512 | 6f4103ff1031fd7e1ea413735ab1be50cad5c4d7fc2d03a112e9066200bd652b16bf4833b83e904437361fc1cf3749c07c7b0b08e7cd0aa292a5e5936bd8cab4 |
memory/2120-11-0x0000000000400000-0x000000000040A000-memory.dmp
memory/2176-12-0x0000000000400000-0x000000000040A000-memory.dmp
memory/2176-13-0x0000000000220000-0x000000000022A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-10-16 18:20
Reported
2023-10-16 20:36
Platform
win10v2004-20230915-en
Max time kernel
143s
Max time network
148s
Command Line
Signatures
Sakula
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\NEAS.4b55f3df2821daf0e027191ee5d28460.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.4b55f3df2821daf0e027191ee5d28460.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Windows\SysWOW64\reg.exe
reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v "MicroMedia" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 & del "C:\Users\Admin\AppData\Local\Temp\NEAS.4b55f3df2821daf0e027191ee5d28460.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 108.211.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.we11point.com | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.20.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.we11point.com | udp |
| US | 8.8.8.8:53 | 1.202.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.we11point.com | udp |
| US | 8.8.8.8:53 | www.we11point.com | udp |
| US | 8.8.8.8:53 | 90.16.208.104.in-addr.arpa | udp |
Files
memory/2508-0-0x0000000000400000-0x000000000040A000-memory.dmp
memory/2508-1-0x0000000000400000-0x000000000040A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 1e3e627f04f9f7d7b65727e8c31de62a |
| SHA1 | 9792867b29b1465ea37b959c64777145ac639670 |
| SHA256 | c3c77c2b16aa029f07694165e6b92d59df9af2013172ac66f278b96b9bc61f69 |
| SHA512 | 65d41afef2527705512f637395b05e1d02cff26351cb88580c6a7201f340943f0ac0223ce5fd17065656fb4e2bf07d704f323fe25631b7f234d0937bcd8ce805 |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 1e3e627f04f9f7d7b65727e8c31de62a |
| SHA1 | 9792867b29b1465ea37b959c64777145ac639670 |
| SHA256 | c3c77c2b16aa029f07694165e6b92d59df9af2013172ac66f278b96b9bc61f69 |
| SHA512 | 65d41afef2527705512f637395b05e1d02cff26351cb88580c6a7201f340943f0ac0223ce5fd17065656fb4e2bf07d704f323fe25631b7f234d0937bcd8ce805 |
memory/2508-6-0x0000000000400000-0x000000000040A000-memory.dmp