Analysis Overview
SHA256
b7cd81494be4fd997d0d47cde6689f357b52f4ac8c50ab730569edef51a25a8c
Threat Level: Known bad
The file rQ000112241R02_October-24.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
UAC bypass
Windows security bypass
Remcos family
Detected Nirsoft tools
NirSoft WebBrowserPassView
Looks for VirtualBox Guest Additions in registry
NirSoft MailPassView
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
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious behavior: MapViewOfSection
Suspicious use of SendNotifyMessage
System policy modification
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 16:01
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 16:01
Reported
2024-11-11 16:03
Platform
win7-20240903-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.exe
"C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.exe"
Network
Files
memory/1520-0-0x000007FEF58D3000-0x000007FEF58D4000-memory.dmp
memory/1520-1-0x00000000012D0000-0x00000000012DA000-memory.dmp
memory/1520-2-0x0000000000730000-0x0000000000800000-memory.dmp
memory/1520-3-0x000007FEF58D0000-0x000007FEF62BC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-11 16:01
Reported
2024-11-11 16:03
Platform
win10v2004-20241007-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Remcos
Remcos family
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\rQ000112241R02_October-24.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths | C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.exe = "0" | C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.exe | N/A |
Detected Nirsoft tools
| 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 |
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\rQ000112241R02_October-24.exe | N/A |
NirSoft MailPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
NirSoft WebBrowserPassView
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | 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\rQ000112241R02_October-24.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\rQ000112241R02_October-24.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.exe = "0" | C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths | C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions | C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.exe | N/A |
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.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\rQ000112241R02_October-24.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2912 set thread context of 1128 | N/A | C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe |
| PID 1128 set thread context of 2028 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe |
| PID 1128 set thread context of 1028 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe |
| PID 1128 set thread context of 4512 | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.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:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.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:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\AUDIODG.EXE | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.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\rQ000112241R02_October-24.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.exe
"C:\Users\Admin\AppData\Local\Temp\rQ000112241R02_October-24.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\rQ000112241R02_October-24.exe" -Force
C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x418 0x410
C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe /stext "C:\Users\Admin\AppData\Local\Temp\bcnnhryacgctjynsbpvoqqxyrdmzub"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe /stext "C:\Users\Admin\AppData\Local\Temp\lwaxikjcqougtebwsaqptdrpajeinmffm"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe /stext "C:\Users\Admin\AppData\Local\Temp\nyfqj"
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 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 198.46.178.148:2024 | tcp | |
| US | 8.8.8.8:53 | 148.178.46.198.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 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 198.46.178.148:2024 | tcp | |
| US | 198.46.178.148:2024 | tcp | |
| US | 198.46.178.148:2024 | tcp | |
| US | 8.8.8.8:53 | udp |
Files
memory/2912-0-0x00007FFBF6CA3000-0x00007FFBF6CA5000-memory.dmp
memory/2912-1-0x00000209FB9C0000-0x00000209FB9CA000-memory.dmp
memory/2912-2-0x00000209FDE90000-0x00000209FDF60000-memory.dmp
memory/2912-3-0x00007FFBF6CA0000-0x00007FFBF7761000-memory.dmp
memory/1128-4-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-5-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-6-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-7-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-8-0x00007FFBF6CA3000-0x00007FFBF6CA5000-memory.dmp
memory/3688-9-0x00007FFBF6CA0000-0x00007FFBF7761000-memory.dmp
memory/1128-11-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-10-0x00007FFBF6CA0000-0x00007FFBF7761000-memory.dmp
memory/3688-22-0x000001EBFA650000-0x000001EBFA672000-memory.dmp
memory/1128-23-0x0000000000400000-0x000000000047F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_buogjl04.ups.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1128-12-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-16-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-28-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-30-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-33-0x00007FFBF6CA0000-0x00007FFBF7761000-memory.dmp
memory/2912-34-0x00007FFBF6CA0000-0x00007FFBF7761000-memory.dmp
memory/1128-35-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-36-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-37-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-39-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-42-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-41-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-43-0x0000000000400000-0x000000000047F000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | 43c1929fa71c7dc8c55f88f39bef7d29 |
| SHA1 | 0ed497019be48d5899d6ef0b23a23e39741557ba |
| SHA256 | 1cee1e93e13151713f293aef21497cb31ee666be8546c5c909ae801475eb4740 |
| SHA512 | 43873c897797e0aaf491f59032e06bc36427a1c06a3e2b44686b12782df708e6fa0101716972f76849043622968fa064f6a614a00e0f7e7cea5fe42852371304 |
memory/1128-50-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-51-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-58-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-59-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-66-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-67-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-70-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-71-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-72-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-73-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-77-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2028-78-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1028-79-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2028-82-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4512-86-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4512-85-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2028-84-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1028-83-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1028-80-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4512-81-0x0000000000400000-0x0000000000424000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\bcnnhryacgctjynsbpvoqqxyrdmzub
| MD5 | bc25ccf39db8626dc249529bcc8c5639 |
| SHA1 | 3e9cbdb20a0970a3c13719a2f289d210cdcc9e1d |
| SHA256 | b333f8c736c701bc826886f395d928731850cbce6db77be752b3cf7979114904 |
| SHA512 | 9a546127bddc1d187e674cda82e6c5046cac7f3e6f9515aed68d5bff2264b9d679d857dd97270e10826cd11ce2d92d82dd7f9801e19027e346b60bcc814cca1a |
memory/1128-96-0x0000000010000000-0x0000000010019000-memory.dmp
memory/1128-95-0x0000000010000000-0x0000000010019000-memory.dmp
memory/1128-92-0x0000000010000000-0x0000000010019000-memory.dmp
memory/1128-97-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-99-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1128-100-0x0000000000400000-0x000000000047F000-memory.dmp