Analysis
-
max time kernel
148s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
18-08-2024 01:24
Static task
static1
Behavioral task
behavioral1
Sample
8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe
Resource
win10v2004-20240802-en
General
-
Target
8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe
-
Size
1.4MB
-
MD5
e418c8ddea38739c5fa4e6ee469ffd47
-
SHA1
52ee59d5c7d3768056ac7809aea362e8adbeaa74
-
SHA256
8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74
-
SHA512
3879b2ff0821511222cd9de8dc369037df52f655c2be937c4499cd9006049ed3a671c6ccd33f0adfa499aec935e14e388449574b5f282e6f5a230993b9192128
-
SSDEEP
12288:0EOm/U97V194bWub1V5jdJislsmq/aWPNUEFkWsnFvM1XcCDB6iCuIgWPm3A5kIo:m9B19g5V5nxsmqaWPaEXsnfCPu6BH
Malware Config
Extracted
remcos
RemoteHost
192.210.150.26:8787
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-Q4NYK2
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
-
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe = "0" 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
-
Detected Nirsoft tools 3 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/2132-41-0x0000000000400000-0x0000000000462000-memory.dmp Nirsoft behavioral2/memory/5068-47-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral2/memory/1876-39-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe -
NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral2/memory/2132-41-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral2/memory/1876-39-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2068 powershell.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe = "0" 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts csc.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 4016 set thread context of 1388 4016 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 90 PID 1388 set thread context of 1876 1388 csc.exe 96 PID 1388 set thread context of 2132 1388 csc.exe 97 PID 1388 set thread context of 5068 1388 csc.exe 101 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csc.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2068 powershell.exe 2068 powershell.exe 1876 csc.exe 1876 csc.exe 5068 csc.exe 5068 csc.exe 1876 csc.exe 1876 csc.exe -
Suspicious behavior: MapViewOfSection 6 IoCs
pid Process 1388 csc.exe 1388 csc.exe 1388 csc.exe 1388 csc.exe 1388 csc.exe 1388 csc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2068 powershell.exe Token: SeDebugPrivilege 5068 csc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1388 csc.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 4016 wrote to memory of 2068 4016 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 89 PID 4016 wrote to memory of 2068 4016 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 89 PID 4016 wrote to memory of 1388 4016 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 90 PID 4016 wrote to memory of 1388 4016 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 90 PID 4016 wrote to memory of 1388 4016 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 90 PID 4016 wrote to memory of 1388 4016 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 90 PID 4016 wrote to memory of 1388 4016 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 90 PID 4016 wrote to memory of 1388 4016 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 90 PID 4016 wrote to memory of 1388 4016 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 90 PID 4016 wrote to memory of 1388 4016 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 90 PID 4016 wrote to memory of 1388 4016 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 90 PID 4016 wrote to memory of 1388 4016 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 90 PID 4016 wrote to memory of 1388 4016 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 90 PID 4016 wrote to memory of 1388 4016 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 90 PID 4016 wrote to memory of 2736 4016 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 92 PID 4016 wrote to memory of 2736 4016 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 92 PID 4016 wrote to memory of 2736 4016 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 92 PID 1388 wrote to memory of 1876 1388 csc.exe 96 PID 1388 wrote to memory of 1876 1388 csc.exe 96 PID 1388 wrote to memory of 1876 1388 csc.exe 96 PID 1388 wrote to memory of 1876 1388 csc.exe 96 PID 1388 wrote to memory of 2132 1388 csc.exe 97 PID 1388 wrote to memory of 2132 1388 csc.exe 97 PID 1388 wrote to memory of 2132 1388 csc.exe 97 PID 1388 wrote to memory of 2132 1388 csc.exe 97 PID 1388 wrote to memory of 1052 1388 csc.exe 98 PID 1388 wrote to memory of 1052 1388 csc.exe 98 PID 1388 wrote to memory of 1052 1388 csc.exe 98 PID 1388 wrote to memory of 1000 1388 csc.exe 99 PID 1388 wrote to memory of 1000 1388 csc.exe 99 PID 1388 wrote to memory of 1000 1388 csc.exe 99 PID 1388 wrote to memory of 3156 1388 csc.exe 100 PID 1388 wrote to memory of 3156 1388 csc.exe 100 PID 1388 wrote to memory of 3156 1388 csc.exe 100 PID 1388 wrote to memory of 5068 1388 csc.exe 101 PID 1388 wrote to memory of 5068 1388 csc.exe 101 PID 1388 wrote to memory of 5068 1388 csc.exe 101 PID 1388 wrote to memory of 5068 1388 csc.exe 101 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe"C:\Users\Admin\AppData\Local\Temp\8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe"1⤵
- UAC bypass
- Windows security bypass
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4016 -
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\8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2068
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /stext "C:\Users\Admin\AppData\Local\Temp\cxohfpxxobovwjg"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1876
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /stext "C:\Users\Admin\AppData\Local\Temp\erbzghqyckgizpukskw"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:2132
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /stext "C:\Users\Admin\AppData\Local\Temp\ptgkhaasqsynjvqwbvjlfk"3⤵PID:1052
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /stext "C:\Users\Admin\AppData\Local\Temp\ptgkhaasqsynjvqwbvjlfk"3⤵PID:1000
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /stext "C:\Users\Admin\AppData\Local\Temp\ptgkhaasqsynjvqwbvjlfk"3⤵PID:3156
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /stext "C:\Users\Admin\AppData\Local\Temp\ptgkhaasqsynjvqwbvjlfk"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5068
-
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"2⤵PID:2736
-
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify Tools
3Modify Registry
4Virtualization/Sandbox Evasion
2Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
144B
MD5ee3a21f1cd0b1fb31778bcca165d0a38
SHA19c6e58d437662ce569e5d470c8a353a0f26f29d3
SHA256c48593887cd11ad83663f129421e904df222146a910f5fab94880de1d6dedec3
SHA51292d49c1d13afecfeeddc668914168b93c55d1fca6e48dcb3a24f3a7d47283b34625654dfed12b3425bd07e09625f5747c5fcef21707b1bdbd2bbe84f8ca27a94
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
4KB
MD5c7ac5a21cac5bd5580a6e28112212613
SHA10a256177c387053fec680e599bcb63729a16c161
SHA25689e0e7dc8ad418f8613610b71d0c140247e26a5f9a453ee255b1467fb80f15ff
SHA512753675a75b643132e50175d67589a3952cb5154a7e51c11883b2e28bf4fe406afbaed88e61575cc114156e41ed5c587b0f76845e6d20ddf922e775bfff3f0b43