Analysis Overview
SHA256
63660df7602191c226278902e159312a16a1c844db329cca146fb702a2a51256
Threat Level: Known bad
The file 18082024_0919_16082024_FTE98767800000.doc.z was found to be: Known bad.
Malicious Activity Summary
UAC bypass
Remcos
Windows security bypass
Credentials from Password Stores: Credentials from Web Browsers
Looks for VirtualBox Guest Additions in registry
Looks for VMWare Tools registry key
Command and Scripting Interpreter: PowerShell
Windows security modification
Checks computer location settings
Checks BIOS information in registry
Checks whether UAC is enabled
Maps connected drives based on registry
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
System Location Discovery: System Language Discovery
Program crash
Enumerates physical storage devices
Unsigned PE
Runs regedit.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: MapViewOfSection
System policy modification
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-18 09:19
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-18 09:19
Reported
2024-08-18 09:22
Platform
win7-20240729-en
Max time kernel
150s
Max time network
148s
Command Line
Signatures
Remcos
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
Credentials from Password Stores: Credentials from Web Browsers
Looks for VirtualBox Guest Additions in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Looks for VMWare Tools registry key
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2584 set thread context of 1660 | N/A | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | C:\Program Files (x86)\Windows Mail\wab.exe |
| PID 1660 set thread context of 3056 | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | C:\Program Files (x86)\Windows Mail\wab.exe |
| PID 1660 set thread context of 2444 | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | C:\Program Files (x86)\Windows Mail\wab.exe |
| PID 1660 set thread context of 1060 | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | C:\Program Files (x86)\Windows Mail\wab.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
Runs regedit.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\regedit.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Windows Mail\wab.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe
"C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe" -Force
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
C:\Windows\regedit.exe
"C:\Windows\regedit.exe"
C:\Program Files (x86)\Windows Mail\wab.exe
"C:\Program Files (x86)\Windows Mail\wab.exe"
C:\Program Files (x86)\Windows Mail\wab.exe
"C:\Program Files (x86)\Windows Mail\wab.exe"
C:\Program Files (x86)\Windows Mail\wab.exe
"C:\Program Files (x86)\Windows Mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\gvbi"
C:\Program Files (x86)\Windows Mail\wab.exe
"C:\Program Files (x86)\Windows Mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\qphtyxo"
C:\Program Files (x86)\Windows Mail\wab.exe
"C:\Program Files (x86)\Windows Mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\asmlzqzwdy"
Network
| Country | Destination | Domain | Proto |
| US | 192.210.150.26:8787 | tcp | |
| US | 192.210.150.26:8787 | tcp | |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
Files
memory/2584-0-0x000007FEF6513000-0x000007FEF6514000-memory.dmp
memory/2584-1-0x0000000000290000-0x000000000029C000-memory.dmp
memory/2584-2-0x000007FEF6510000-0x000007FEF6EFC000-memory.dmp
memory/2584-3-0x0000000000680000-0x0000000000750000-memory.dmp
memory/2804-8-0x0000000002B00000-0x0000000002B80000-memory.dmp
memory/2124-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2804-25-0x000000001B690000-0x000000001B972000-memory.dmp
memory/2124-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2124-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2124-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2124-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2804-26-0x0000000001C90000-0x0000000001C98000-memory.dmp
memory/2124-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2124-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2124-9-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1660-60-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1660-59-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2584-67-0x000007FEF6510000-0x000007FEF6EFC000-memory.dmp
memory/1660-66-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1660-65-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1660-62-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1660-61-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1660-68-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1660-69-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1660-71-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1660-70-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1660-73-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3056-75-0x0000000000400000-0x0000000000478000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\gvbi
| MD5 | f3b25701fe362ec84616a93a45ce9998 |
| SHA1 | d62636d8caec13f04e28442a0a6fa1afeb024bbb |
| SHA256 | b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209 |
| SHA512 | 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84 |
C:\ProgramData\remcos\logs.dat
| MD5 | 3fe46d45c60953e28d465a029dc4d5ad |
| SHA1 | 57c1643c5940ce7974611a7bff05e9073bcd1153 |
| SHA256 | 0dfb04e9a221da24057cb6de5c02b815b30cc7449c9df44469fe6e196ffe9258 |
| SHA512 | e9d1ddd4f4ea0bc8fc4ac1b568388ea579c34808058ea93e26783574682e3f36822a0a6517e487eac1f005fbfa6701ce5f086692d5f23ac362432ce0482eedb5 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-18 09:19
Reported
2024-08-18 09:22
Platform
win10v2004-20240802-en
Max time kernel
137s
Max time network
147s
Command Line
Signatures
Remcos
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe = "0" | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
Looks for VirtualBox Guest Additions in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Looks for VMWare Tools registry key
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe = "0" | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 448 set thread context of 3200 | N/A | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe
"C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\FTE98767800000.exe" -Force
C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3200 -ip 3200
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3200 -s 24
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.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 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.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/448-0-0x00007FFD692A3000-0x00007FFD692A5000-memory.dmp
memory/448-1-0x000001A51A610000-0x000001A51A61C000-memory.dmp
memory/448-2-0x00007FFD692A0000-0x00007FFD69D61000-memory.dmp
memory/448-3-0x000001A534C20000-0x000001A534CF0000-memory.dmp
memory/3200-4-0x0000000000400000-0x0000000000482000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5yirshil.kis.psm1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3988-14-0x00007FFD692A0000-0x00007FFD69D61000-memory.dmp
memory/3988-15-0x00000210BAD70000-0x00000210BAD92000-memory.dmp
memory/3988-16-0x00007FFD692A0000-0x00007FFD69D61000-memory.dmp
memory/3988-17-0x00007FFD692A0000-0x00007FFD69D61000-memory.dmp
memory/3988-20-0x00007FFD692A0000-0x00007FFD69D61000-memory.dmp
memory/448-21-0x00007FFD692A0000-0x00007FFD69D61000-memory.dmp