Analysis Overview
SHA256
9c5491ea4ee4bcea3f7b532ec8371af54c1b26fb36ac7d7aaf2fdbb02a98c0d5
Threat Level: Shows suspicious behavior
The file 9c5491ea4ee4bcea3f7b532ec8371af54c1b26fb36ac7d7aaf2fdbb02a98c0d5.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Indicator Removal: File Deletion
UPX packed file
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-13 09:00
Signatures
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
2024-11-13 09:00
Reported
2024-11-13 09:02
Platform
win7-20240903-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
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\9c5491ea4ee4bcea3f7b532ec8371af54c1b26fb36ac7d7aaf2fdbb02a98c0d5.exe | 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\9c5491ea4ee4bcea3f7b532ec8371af54c1b26fb36ac7d7aaf2fdbb02a98c0d5.exe | N/A |
Indicator Removal: File Deletion
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 |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\9c5491ea4ee4bcea3f7b532ec8371af54c1b26fb36ac7d7aaf2fdbb02a98c0d5.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\ProgramData\Update\wuauclt.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\windows\SysWOW64\cmd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9c5491ea4ee4bcea3f7b532ec8371af54c1b26fb36ac7d7aaf2fdbb02a98c0d5.exe
"C:\Users\Admin\AppData\Local\Temp\9c5491ea4ee4bcea3f7b532ec8371af54c1b26fb36ac7d7aaf2fdbb02a98c0d5.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\9c5491ea4ee4bcea3f7b532ec8371af54c1b26fb36ac7d7aaf2fdbb02a98c0d5.exe" >> NUL
Network
| Country | Destination | Domain | Proto |
| CA | 158.69.115.115:443 | tcp |
Files
memory/2664-1-0x00000000008E0000-0x0000000000908000-memory.dmp
\ProgramData\Update\wuauclt.exe
| MD5 | 05aae259bf250c08ddab508fc54dd84c |
| SHA1 | 069b27e9986263d1a7afcee91b370f05a892dc4d |
| SHA256 | 953eb5e56a2fed16f5c6b7076184d5ed540feea65b3d8f755f5eaaf37eaae19a |
| SHA512 | 556e187443b98bf6c74b57378a6e8051739cfb4cc08c0e0c4582a105fafa5c2cf3d3e9382d98e88977d76deaa524e8b7c759eae7c0d4c070418d111465963d32 |
memory/2664-4-0x0000000000190000-0x00000000001B8000-memory.dmp
memory/2412-7-0x0000000000A30000-0x0000000000A58000-memory.dmp
memory/2664-8-0x0000000000190000-0x00000000001B8000-memory.dmp
memory/2412-9-0x0000000000A30000-0x0000000000A58000-memory.dmp
memory/2664-10-0x00000000008E0000-0x0000000000908000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-13 09:00
Reported
2024-11-13 09:02
Platform
win10v2004-20241007-en
Max time kernel
94s
Max time network
95s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\9c5491ea4ee4bcea3f7b532ec8371af54c1b26fb36ac7d7aaf2fdbb02a98c0d5.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Update\wuauclt.exe | 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\9c5491ea4ee4bcea3f7b532ec8371af54c1b26fb36ac7d7aaf2fdbb02a98c0d5.exe | N/A |
Indicator Removal: File Deletion
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 |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\9c5491ea4ee4bcea3f7b532ec8371af54c1b26fb36ac7d7aaf2fdbb02a98c0d5.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\ProgramData\Update\wuauclt.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\windows\SysWOW64\cmd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\9c5491ea4ee4bcea3f7b532ec8371af54c1b26fb36ac7d7aaf2fdbb02a98c0d5.exe
"C:\Users\Admin\AppData\Local\Temp\9c5491ea4ee4bcea3f7b532ec8371af54c1b26fb36ac7d7aaf2fdbb02a98c0d5.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\9c5491ea4ee4bcea3f7b532ec8371af54c1b26fb36ac7d7aaf2fdbb02a98c0d5.exe" >> NUL
Network
| Country | Destination | Domain | Proto |
| CA | 158.69.115.115:443 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
Files
memory/3460-0-0x0000000000260000-0x0000000000288000-memory.dmp
C:\ProgramData\Update\wuauclt.exe
| MD5 | cc4fb23f5ddfeb83ad1d2e52caabffb5 |
| SHA1 | 2edf96f89fc1c61fe56aee6bc63e47ec4edb2b56 |
| SHA256 | 77686d649ccc2edba795b874a2ba4471fb924fc689de58df4f8430463aeb8fd3 |
| SHA512 | e6fc854bbd9850d13983cae875553e748709e9b8f66f76207c37bf4c62c5beaa1853621b68fd286d6f91de655a5ff20b5bc50d4419c2ba5f118751412e77648a |
memory/3648-4-0x00000000003D0000-0x00000000003F8000-memory.dmp
memory/3460-6-0x0000000000260000-0x0000000000288000-memory.dmp
memory/3648-7-0x00000000003D0000-0x00000000003F8000-memory.dmp
memory/3460-8-0x0000000000260000-0x0000000000288000-memory.dmp