Analysis Overview
SHA256
ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d
Threat Level: Shows suspicious behavior
The file ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Drops startup file
Executes dropped EXE
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
AutoIT Executable
System Location Discovery: System Language Discovery
Program crash
Unsigned PE
outlook_office_path
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
outlook_win_path
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-02 09:28
Signatures
AutoIT Executable
| 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: behavioral2
Detonation Overview
Submitted
2024-11-02 09:27
Reported
2024-11-02 09:31
Platform
win10v2004-20241007-en
Max time kernel
135s
Max time network
139s
Command Line
Signatures
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Esher.vbs | C:\Users\Admin\AppData\Local\Okeghem\Esher.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Okeghem\Esher.exe | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Okeghem\Esher.exe |
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\ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Okeghem\Esher.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d.exe
"C:\Users\Admin\AppData\Local\Temp\ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d.exe"
C:\Users\Admin\AppData\Local\Okeghem\Esher.exe
"C:\Users\Admin\AppData\Local\Temp\ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4416 -ip 4416
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 696
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
memory/3616-2-0x0000000000EA0000-0x00000000012A0000-memory.dmp
C:\Users\Admin\AppData\Local\Okeghem\Esher.exe
| MD5 | 83e7ad8161455e90c7c32051be5dd529 |
| SHA1 | 443ffb5d55631689b0d5c43d2bd5426f2ce24e59 |
| SHA256 | ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d |
| SHA512 | 916a2c9e3f26b9fd6f338adee5eed101c9cb874f952c51fafbe9084ebbccb9ed84faa73d23af4afeeb41861f24553dce7f8cc8c2c19028b5a496ddf455fb3b82 |
C:\Users\Admin\AppData\Local\Temp\totten
| MD5 | fa24d82f7d5a910009bc5b8c41050fb7 |
| SHA1 | cf55405e7010ef3af8ef30e796933b30cb1e8715 |
| SHA256 | c2795222b48b13f6730585052854d55fb1ac252a652f3a3458974babb5f24d1c |
| SHA512 | 5be7d8da99f266a6559496ed4cbda76a2585e24dfe5d081467b1d136360c91fc492e8cb1750eb8362cd7ddf3e046f7362a980cf02039b8c53c060b5cdc7edb02 |
memory/4416-10-0x0000000001400000-0x0000000001800000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-02 09:27
Reported
2024-11-02 09:31
Platform
win7-20240903-en
Max time kernel
121s
Max time network
128s
Command Line
Signatures
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Esher.vbs | C:\Users\Admin\AppData\Local\Okeghem\Esher.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Okeghem\Esher.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Okeghem\Esher.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3064 set thread context of 2736 | N/A | C:\Users\Admin\AppData\Local\Okeghem\Esher.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Okeghem\Esher.exe |
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\ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Okeghem\Esher.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Okeghem\Esher.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Okeghem\Esher.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Okeghem\Esher.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d.exe
"C:\Users\Admin\AppData\Local\Temp\ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d.exe"
C:\Users\Admin\AppData\Local\Okeghem\Esher.exe
"C:\Users\Admin\AppData\Local\Temp\ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d.exe"
C:\Users\Admin\AppData\Local\Okeghem\Esher.exe
"C:\Users\Admin\AppData\Local\Okeghem\Esher.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Okeghem\Esher.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 324
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| JP | 132.226.8.169:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | reallyfreegeoip.org | udp |
| US | 104.21.67.152:443 | reallyfreegeoip.org | tcp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
Files
memory/2708-2-0x0000000001100000-0x0000000001500000-memory.dmp
C:\Users\Admin\AppData\Local\Okeghem\Esher.exe
| MD5 | 83e7ad8161455e90c7c32051be5dd529 |
| SHA1 | 443ffb5d55631689b0d5c43d2bd5426f2ce24e59 |
| SHA256 | ecf2c99f012a781d235a8a0a4a48915118d5c11cbe50b2e7c698bbb70069dc5d |
| SHA512 | 916a2c9e3f26b9fd6f338adee5eed101c9cb874f952c51fafbe9084ebbccb9ed84faa73d23af4afeeb41861f24553dce7f8cc8c2c19028b5a496ddf455fb3b82 |
C:\Users\Admin\AppData\Local\Temp\totten
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
memory/2836-12-0x00000000006B0000-0x0000000000AB0000-memory.dmp
memory/3064-18-0x00000000005E0000-0x00000000009E0000-memory.dmp
memory/2736-21-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2736-27-0x0000000073F6E000-0x0000000073F6F000-memory.dmp
memory/2736-29-0x0000000000A70000-0x0000000000AA0000-memory.dmp
memory/2736-31-0x0000000000B10000-0x0000000000B3E000-memory.dmp
memory/2736-32-0x0000000073F60000-0x000000007464E000-memory.dmp
memory/2736-89-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-87-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-482-0x0000000073F60000-0x000000007464E000-memory.dmp
memory/2736-85-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-83-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-81-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-75-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-71-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-67-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-63-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-61-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-58-0x0000000073F60000-0x000000007464E000-memory.dmp
memory/2736-56-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-52-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-40-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-38-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-36-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-34-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-33-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-93-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-91-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-80-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-77-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-73-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-69-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-65-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-59-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-54-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-50-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-48-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-46-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-44-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-42-0x0000000000B10000-0x0000000000B38000-memory.dmp
memory/2736-30-0x0000000073F60000-0x000000007464E000-memory.dmp
memory/2736-22-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2736-19-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2736-483-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2736-484-0x0000000073F6E000-0x0000000073F6F000-memory.dmp
memory/2736-485-0x0000000073F60000-0x000000007464E000-memory.dmp
memory/2736-486-0x0000000073F60000-0x000000007464E000-memory.dmp