Analysis Overview
SHA256
4d1e5f808b9e90b9b7ac9e32b4e11b2ef223745fa707aa4c34f60e3bd72ae42a
Threat Level: Known bad
The file 4d1e5f808b9e90b9b7ac9e32b4e11b2ef223745fa707aa4c34f60e3bd72ae42a was found to be: Known bad.
Malicious Activity Summary
UPX dump on OEP (original entry point)
UPX dump on OEP (original entry point)
Deletes itself
Loads dropped DLL
Checks computer location settings
UPX packed file
Executes dropped EXE
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-10 21:53
Signatures
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| 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
2024-06-10 21:53
Reported
2024-06-10 21:55
Platform
win7-20240508-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
UPX dump on OEP (original entry point)
| 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 |
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:\ProgramData\Update\wuauclt.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4d1e5f808b9e90b9b7ac9e32b4e11b2ef223745fa707aa4c34f60e3bd72ae42a.exe | N/A |
UPX packed file
| 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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run" | C:\Users\Admin\AppData\Local\Temp\4d1e5f808b9e90b9b7ac9e32b4e11b2ef223745fa707aa4c34f60e3bd72ae42a.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4d1e5f808b9e90b9b7ac9e32b4e11b2ef223745fa707aa4c34f60e3bd72ae42a.exe
"C:\Users\Admin\AppData\Local\Temp\4d1e5f808b9e90b9b7ac9e32b4e11b2ef223745fa707aa4c34f60e3bd72ae42a.exe"
C:\ProgramData\Update\wuauclt.exe
"C:\ProgramData\Update\wuauclt.exe" /run
C:\windows\SysWOW64\cmd.exe
"C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\4d1e5f808b9e90b9b7ac9e32b4e11b2ef223745fa707aa4c34f60e3bd72ae42a.exe" >> NUL
Network
| Country | Destination | Domain | Proto |
| CA | 158.69.115.115:443 | tcp |
Files
memory/2320-1-0x0000000000DA0000-0x0000000000DC8000-memory.dmp
memory/2320-5-0x0000000000B90000-0x0000000000BB8000-memory.dmp
C:\ProgramData\Update\wuauclt.exe
| MD5 | 6dcec8f3d1d6cc8d3ebe3b6dad25d904 |
| SHA1 | e091f4cca193ba9bb7859c9ab2f51bee9e35918c |
| SHA256 | 6da5e096cb83825c8b893d8d5f71711e48e77c1d0c51be69294150c21b9e011d |
| SHA512 | 1f24f5b9db47b9943a6d85a835ec6e17dda58c852ef278dc74a3aa22e8129e0585cfa2ba43fd532fa7fcb82c3b76157cc3f94afd845c5939fbd07be551398c02 |
memory/1968-7-0x0000000000B90000-0x0000000000BB8000-memory.dmp
memory/2320-8-0x0000000000DA0000-0x0000000000DC8000-memory.dmp
memory/2320-9-0x0000000000B90000-0x0000000000BB8000-memory.dmp
memory/1968-10-0x0000000000B90000-0x0000000000BB8000-memory.dmp
memory/2320-11-0x0000000000DA0000-0x0000000000DC8000-memory.dmp
memory/2320-12-0x0000000000B90000-0x0000000000BB8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-10 21:53
Reported
2024-06-10 21:55
Platform
win10v2004-20240508-en
Max time kernel
62s
Max time network
51s
Command Line
Signatures
UPX dump on OEP (original entry point)
| 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\4d1e5f808b9e90b9b7ac9e32b4e11b2ef223745fa707aa4c34f60e3bd72ae42a.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Update\wuauclt.exe | N/A |
UPX packed file
| 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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run" | C:\Users\Admin\AppData\Local\Temp\4d1e5f808b9e90b9b7ac9e32b4e11b2ef223745fa707aa4c34f60e3bd72ae42a.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4d1e5f808b9e90b9b7ac9e32b4e11b2ef223745fa707aa4c34f60e3bd72ae42a.exe
"C:\Users\Admin\AppData\Local\Temp\4d1e5f808b9e90b9b7ac9e32b4e11b2ef223745fa707aa4c34f60e3bd72ae42a.exe"
C:\ProgramData\Update\wuauclt.exe
"C:\ProgramData\Update\wuauclt.exe" /run
C:\windows\SysWOW64\cmd.exe
"C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\4d1e5f808b9e90b9b7ac9e32b4e11b2ef223745fa707aa4c34f60e3bd72ae42a.exe" >> NUL
Network
| Country | Destination | Domain | Proto |
| CA | 158.69.115.115:443 | tcp |
Files
memory/3112-0-0x00000000009B0000-0x00000000009D8000-memory.dmp
C:\ProgramData\Update\wuauclt.exe
| MD5 | 7308cf2a1b7a86816824b65a82f8ee63 |
| SHA1 | b47f84862ce71a3d20875dab2d979986d54dcb03 |
| SHA256 | 9def86394fcb1aa5376cefce8247c096fb3827c5e060805e2dcbf93226aa93e6 |
| SHA512 | c68c85cc85227aba0ac7f46ddac04c408503a619ecba1933518983265f569bcb0a65ae071b32d0530aa511bf9ad35c45465239b277c2870e912de36d33c6fe62 |
memory/3528-4-0x0000000000DD0000-0x0000000000DF8000-memory.dmp
memory/3112-6-0x00000000009B0000-0x00000000009D8000-memory.dmp
memory/3528-7-0x0000000000DD0000-0x0000000000DF8000-memory.dmp
memory/3112-8-0x00000000009B0000-0x00000000009D8000-memory.dmp