Analysis Overview
SHA256
192a4af0675a942cf3ab49f8b8ac7a6508b1c09fcb90d2003611b67485201b24
Threat Level: Known bad
The file Quotation.PDF.gz was found to be: Known bad.
Malicious Activity Summary
Remcos
Loads dropped DLL
Drops startup file
Executes dropped EXE
Suspicious use of SetThreadContext
AutoIT Executable
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-04-03 07:07
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: behavioral1
Detonation Overview
Submitted
2024-04-03 07:07
Reported
2024-04-03 07:09
Platform
win7-20240221-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
Remcos
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.vbs | C:\Users\Admin\AppData\Local\directory\chrome.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\chrome.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | 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 2188 set thread context of 2780 | N/A | C:\Users\Admin\AppData\Local\directory\chrome.exe | C:\Windows\SysWOW64\svchost.exe |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\chrome.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\chrome.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\chrome.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\chrome.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\chrome.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
C:\Users\Admin\AppData\Local\directory\chrome.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
C:\Windows\SysWOW64\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | shgoini.com | udp |
| US | 107.175.229.143:30902 | shgoini.com | tcp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
Files
memory/2020-10-0x00000000005F0000-0x00000000005F4000-memory.dmp
\Users\Admin\AppData\Local\directory\chrome.exe
| MD5 | 789790b0ef43ea44a3d7789d9bd9a21f |
| SHA1 | 51fafc03462ab5a5f3aa9878aa9c8ae99328e596 |
| SHA256 | 3690027a8de79b5e5a5448c17e11c8b6bd203aa70e19ae68691c7346b6ad2b52 |
| SHA512 | a4d3b5b3fd5af1abf2907255db880438d00324470e9dab80405f132a4095ddfd6befe3b3604ab304b5690fb514782629b6ae035e0f111bb43a22bc76a01a48bd |
C:\Users\Admin\AppData\Local\Temp\pyogenesis
| MD5 | 5ed5fbdee0b73fbae50e27ac69ad7ae7 |
| SHA1 | 283d4749e5729d7c5c3a51a6c15b1f7a47cf910f |
| SHA256 | b049894d767c9e974b8e92f448acba5a2f86ed79dba36dbfffd2b9f2517e3881 |
| SHA512 | 4034eda19cb86a9bb653210c9a746f4305f1c2b9656fa42dadadfb0fff119a09b73e9fa3d6656c7a73ba6e6cf267c0c56f55869c3c503ecccfd305d23ea0be8e |
C:\Users\Admin\AppData\Local\Temp\ophiolatrous
| MD5 | d1f9c2f8115082d19910822ccc9e5c10 |
| SHA1 | 2cb10976a5deb529dcc372015dbdb6d492bd86f6 |
| SHA256 | 26fdc3781343a64e156175aafa9038d5a3751bf175401c371adaf3f7c3d1e88f |
| SHA512 | 5f56c64805e3ea031de93c7b8ecf3b286a646b2de8f0a827a1e7296526d8b357ce62817ec8b1d63bd893fdc33be1c2f456fbbc0521fea136d220439a6053f01d |
memory/2780-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2780-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2780-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2780-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2780-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2780-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2780-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2780-38-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2780-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2780-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2780-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2780-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2780-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2780-46-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2780-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2780-48-0x0000000000400000-0x0000000000482000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-03 07:07
Reported
2024-04-03 07:09
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
149s
Command Line
Signatures
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.66.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.110.86.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
Files
memory/3520-10-0x0000000001450000-0x0000000001454000-memory.dmp