Analysis Overview
SHA256
5f41a3813e433c05444cc3f8b3f41e4284b3b27af7c476704bcebe170098780f
Threat Level: Known bad
The file Quotation.zip was found to be: Known bad.
Malicious Activity Summary
Remcos
Drops startup file
Executes dropped EXE
Suspicious use of SetThreadContext
AutoIT Executable
Unsigned PE
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-04-02 17:47
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
2024-04-02 17:47
Reported
2024-04-02 18:21
Platform
win10v2004-20240226-en
Max time kernel
1802s
Max time network
1783s
Command Line
Signatures
Remcos
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 2624 set thread context of 4612 | 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 AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\System32\svchost.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 4736 wrote to memory of 2624 | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | C:\Users\Admin\AppData\Local\directory\excel.exe |
| PID 4736 wrote to memory of 2624 | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | C:\Users\Admin\AppData\Local\directory\excel.exe |
| PID 4736 wrote to memory of 2624 | N/A | C:\Users\Admin\AppData\Local\Temp\Quotation.exe | C:\Users\Admin\AppData\Local\directory\excel.exe |
| PID 2624 wrote to memory of 4612 | N/A | C:\Users\Admin\AppData\Local\directory\excel.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 2624 wrote to memory of 4612 | N/A | C:\Users\Admin\AppData\Local\directory\excel.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 2624 wrote to memory of 4612 | N/A | C:\Users\Admin\AppData\Local\directory\excel.exe | C:\Windows\SysWOW64\svchost.exe |
| PID 2624 wrote to memory of 4612 | 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"
C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 218.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.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 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.86.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 175.117.168.52.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 57.162.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 167.161.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 195.177.78.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 80.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.58.20.217.in-addr.arpa | udp |
Files
memory/4736-10-0x0000000000CE0000-0x0000000000CE4000-memory.dmp
C:\Users\Admin\AppData\Local\directory\excel.exe
| MD5 | 1878ed8f86e464d1b474571a34a75a98 |
| SHA1 | e06eabaf88909ae0bb0cc9cc29b50069741b84fe |
| SHA256 | 7311f971ed4303955b9576add44ba70569c0995ffc935e02bf7e9d7187388241 |
| SHA512 | 7539fc21cfb7250d90ae9ebc34aa33956e8e51622ea7ac977397de86715b9d79745250b092bf13c8da2041f6ab4114bd03877c4b8c7bf5ac02e6059a52d2cd82 |
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/4612-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-38-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-46-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-49-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-50-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-55-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-56-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-57-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-58-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-60-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-61-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-62-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-70-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-71-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-74-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-75-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-76-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-82-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-83-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-88-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-92-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4612-93-0x0000000000400000-0x0000000000482000-memory.dmp