Analysis Overview
SHA256
e372af570606d6deb99901e3d8904e1ebca21f5413405b32fe665c883a82bb51
Threat Level: Shows suspicious behavior
The file e372af570606d6deb99901e3d8904e1ebca21f5413405b32fe665c883a82bb51 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Checks computer location settings
Deletes itself
Executes dropped EXE
Adds Run key to start application
Indicator Removal: File Deletion
UPX packed file
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-13 03:37
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 03:37
Reported
2024-11-13 03:39
Platform
win7-20241023-en
Max time kernel
121s
Max time network
122s
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\e372af570606d6deb99901e3d8904e1ebca21f5413405b32fe665c883a82bb51.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\e372af570606d6deb99901e3d8904e1ebca21f5413405b32fe665c883a82bb51.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\e372af570606d6deb99901e3d8904e1ebca21f5413405b32fe665c883a82bb51.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\e372af570606d6deb99901e3d8904e1ebca21f5413405b32fe665c883a82bb51.exe
"C:\Users\Admin\AppData\Local\Temp\e372af570606d6deb99901e3d8904e1ebca21f5413405b32fe665c883a82bb51.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\e372af570606d6deb99901e3d8904e1ebca21f5413405b32fe665c883a82bb51.exe" >> NUL
Network
| Country | Destination | Domain | Proto |
| CA | 158.69.115.115:443 | tcp |
Files
memory/2600-1-0x00000000011D0000-0x00000000011F8000-memory.dmp
\ProgramData\Update\wuauclt.exe
| MD5 | a525e3361fc6fb10f1b35f4ce55e6551 |
| SHA1 | 81de385ffc7e7f02a61658011dc2b5e0f0dd1b15 |
| SHA256 | a34d84b65737ebab6954b6e510b95c59a1b3362ff40cc528d993ae442f86473d |
| SHA512 | 886ace1c23d4d6da2d3cbb470a0ff9ce3ee6764639c5b550fefe9aecbcc2af370ff65a3fcb530c89be859d25845964eb4f0516bac8c36346121dae258d4ee50a |
memory/1124-6-0x0000000000050000-0x0000000000078000-memory.dmp
memory/2600-7-0x00000000011D0000-0x00000000011F8000-memory.dmp
memory/2600-8-0x0000000000170000-0x0000000000198000-memory.dmp
memory/1124-9-0x0000000000050000-0x0000000000078000-memory.dmp
memory/2600-10-0x00000000011D0000-0x00000000011F8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-13 03:37
Reported
2024-11-13 03:39
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
148s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\e372af570606d6deb99901e3d8904e1ebca21f5413405b32fe665c883a82bb51.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\e372af570606d6deb99901e3d8904e1ebca21f5413405b32fe665c883a82bb51.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:\ProgramData\Update\wuauclt.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\e372af570606d6deb99901e3d8904e1ebca21f5413405b32fe665c883a82bb51.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e372af570606d6deb99901e3d8904e1ebca21f5413405b32fe665c883a82bb51.exe
"C:\Users\Admin\AppData\Local\Temp\e372af570606d6deb99901e3d8904e1ebca21f5413405b32fe665c883a82bb51.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\e372af570606d6deb99901e3d8904e1ebca21f5413405b32fe665c883a82bb51.exe" >> NUL
Network
| Country | Destination | Domain | Proto |
| CA | 158.69.115.115:443 | tcp | |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
memory/3504-0-0x00000000004B0000-0x00000000004D8000-memory.dmp
C:\ProgramData\Update\wuauclt.exe
| MD5 | ade7248d0a1f4932baeeab46f8de07e9 |
| SHA1 | db5dbe11749067e91eb12c024bbe3ece72bce663 |
| SHA256 | 9e0702228fa5522bf7479d389bea0b7460bd97f0760542b561888a493a54870f |
| SHA512 | 97abdabe188f1185b28d75741eced4c203879437ec76a762ffb753af762a4fde00cb86a7bb7bba2c8ede3dc723f23f415f0aa958e9c67c27abcf35da00b62f50 |
memory/2620-4-0x0000000000A20000-0x0000000000A48000-memory.dmp
memory/3504-6-0x00000000004B0000-0x00000000004D8000-memory.dmp
memory/2620-7-0x0000000000A20000-0x0000000000A48000-memory.dmp
memory/3504-8-0x00000000004B0000-0x00000000004D8000-memory.dmp