Analysis Overview
SHA256
145f990406000a1e944fef609e608edd4f6a347d4038e880599bcc1fb6c709b7
Threat Level: Known bad
The file 145f990406000a1e944fef609e608edd4f6a347d4038e880599bcc1fb6c709b7.gz was found to be: Known bad.
Malicious Activity Summary
Remcos
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Drops startup file
Executes dropped EXE
AutoIT Executable
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-04-03 01:06
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 01:06
Reported
2024-04-03 01:09
Platform
win7-20240221-en
Max time kernel
122s
Max time network
125s
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
Files
memory/3044-10-0x0000000000160000-0x0000000000164000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-03 01:06
Reported
2024-04-03 01:10
Platform
win10v2004-20240226-en
Max time kernel
170s
Max time network
174s
Command Line
Signatures
Remcos
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
| 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 |
| 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 |
| N/A | N/A | N/A | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\excel.vbs | C:\Users\Admin\AppData\Local\directory\excel.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\excel.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 3508 set thread context of 5112 | N/A | C:\Users\Admin\AppData\Local\directory\excel.exe | C:\Windows\SysWOW64\svchost.exe |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\excel.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\excel.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\excel.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\excel.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\excel.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3816 wrote to memory of 3508 | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | C:\Users\Admin\AppData\Local\directory\excel.exe |
| PID 3816 wrote to memory of 3508 | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | C:\Users\Admin\AppData\Local\directory\excel.exe |
| PID 3816 wrote to memory of 3508 | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | C:\Users\Admin\AppData\Local\directory\excel.exe |
| PID 3508 wrote to memory of 5112 | N/A | C:\Users\Admin\AppData\Local\directory\excel.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 3508 wrote to memory of 5112 | N/A | C:\Users\Admin\AppData\Local\directory\excel.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 3508 wrote to memory of 5112 | N/A | C:\Users\Admin\AppData\Local\directory\excel.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 3508 wrote to memory of 5112 | N/A | C:\Users\Admin\AppData\Local\directory\excel.exe | C:\Windows\SysWOW64\svchost.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
C:\Users\Admin\AppData\Local\directory\excel.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 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 78.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | shgoini.com | udp |
| US | 107.175.229.143:30902 | shgoini.com | tcp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 143.229.175.107.in-addr.arpa | udp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.239.69.13.in-addr.arpa | udp |
Files
memory/3816-10-0x0000000001EA0000-0x0000000001EA4000-memory.dmp
C:\Users\Admin\AppData\Local\directory\excel.exe
| MD5 | e05ab31b28164715a79be10fa8f685e5 |
| SHA1 | ad0865fb787a0626fcb877fa836b4f5749e75616 |
| SHA256 | c2298aab018a2f99201b1591ea4155ffa1f308bb455bfad037d044ecbf885b5e |
| SHA512 | 0ce998830ebf8d04fc9ebadf33776ac5183fee73ee27aaecf924ca7bc3cfc81b698eed3945fb4b721668bbbee5e70fc2adbc9132f96c1bd39c5efcc6be716126 |
C:\Users\Admin\AppData\Local\Temp\intersentimental
| MD5 | 33b3a37e1729538227a84e8aec307e27 |
| SHA1 | d888cf3906a4bc58ccc74cba9fe6f314d3be29dd |
| SHA256 | 61616629bc83442de66185fb8a8b3ed37d4fc690d473e28cf570527a5db7d456 |
| SHA512 | 7d1f025b2c18f6b1e7d1793897a17bc36f95a417d1764efc109144b0ffbb8c0a43ea216cab1e3d16935565bcd309ac8845e9df1805f99a1ac8d1f687ad52ef80 |
C:\Users\Admin\AppData\Local\Temp\ambiparous
| MD5 | 5836e6fb1198f5826ca8facdba529e79 |
| SHA1 | cc17afcef2c435265036b8520728963b91ae652c |
| SHA256 | f59b9e90acdbe2a0cc3e5e66bb3214adb7506fc775b8264e36e408a21decfba0 |
| SHA512 | f66d5d9e96911ffe7228d2db7b305ee404ba59d25fcde778d00a590417e3606b72dac0a91b7edb4e5d42f7a5a14990eaf4b5058e16ca5e12b49701c6168e3045 |
memory/5112-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5112-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5112-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5112-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5112-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5112-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5112-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5112-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5112-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5112-38-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5112-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5112-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5112-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5112-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5112-43-0x0000000000400000-0x0000000000482000-memory.dmp