Analysis
-
max time kernel
148s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-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 -
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 behavioral1/memory/560-61-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/1724-57-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/1728-56-0x0000000000400000-0x0000000000462000-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 behavioral1/memory/1728-56-0x0000000000400000-0x0000000000462000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/1724-57-0x0000000000400000-0x0000000000478000-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 2572 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\SystemBiosVersion 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts wab.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 2356 set thread context of 2924 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 37 PID 2924 set thread context of 1724 2924 wab.exe 39 PID 2924 set thread context of 1728 2924 wab.exe 40 PID 2924 set thread context of 560 2924 wab.exe 41 -
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 wab.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wab.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wab.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wab.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2572 powershell.exe 1724 wab.exe 1724 wab.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 2924 wab.exe 2924 wab.exe 2924 wab.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2572 powershell.exe Token: SeDebugPrivilege 560 wab.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2924 wab.exe -
Suspicious use of WriteProcessMemory 49 IoCs
description pid Process procid_target PID 2356 wrote to memory of 2572 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 33 PID 2356 wrote to memory of 2572 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 33 PID 2356 wrote to memory of 2572 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 33 PID 2356 wrote to memory of 2156 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 35 PID 2356 wrote to memory of 2156 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 35 PID 2356 wrote to memory of 2156 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 35 PID 2356 wrote to memory of 2156 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 35 PID 2356 wrote to memory of 2156 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 35 PID 2356 wrote to memory of 2156 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 35 PID 2356 wrote to memory of 2156 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 35 PID 2356 wrote to memory of 2156 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 35 PID 2356 wrote to memory of 2156 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 35 PID 2356 wrote to memory of 2156 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 35 PID 2356 wrote to memory of 2156 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 35 PID 2356 wrote to memory of 2764 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 36 PID 2356 wrote to memory of 2764 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 36 PID 2356 wrote to memory of 2764 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 36 PID 2356 wrote to memory of 2764 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 36 PID 2356 wrote to memory of 2924 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 37 PID 2356 wrote to memory of 2924 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 37 PID 2356 wrote to memory of 2924 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 37 PID 2356 wrote to memory of 2924 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 37 PID 2356 wrote to memory of 2924 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 37 PID 2356 wrote to memory of 2924 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 37 PID 2356 wrote to memory of 2924 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 37 PID 2356 wrote to memory of 2924 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 37 PID 2356 wrote to memory of 2924 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 37 PID 2356 wrote to memory of 2924 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 37 PID 2356 wrote to memory of 2924 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 37 PID 2356 wrote to memory of 2924 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 37 PID 2356 wrote to memory of 2924 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 37 PID 2356 wrote to memory of 2724 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 38 PID 2356 wrote to memory of 2724 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 38 PID 2356 wrote to memory of 2724 2356 8fcca28a02a116ed9c02bfdcbe3bfb47206592110805aaeda4ad5c55aba82a74.exe 38 PID 2924 wrote to memory of 1724 2924 wab.exe 39 PID 2924 wrote to memory of 1724 2924 wab.exe 39 PID 2924 wrote to memory of 1724 2924 wab.exe 39 PID 2924 wrote to memory of 1724 2924 wab.exe 39 PID 2924 wrote to memory of 1724 2924 wab.exe 39 PID 2924 wrote to memory of 1728 2924 wab.exe 40 PID 2924 wrote to memory of 1728 2924 wab.exe 40 PID 2924 wrote to memory of 1728 2924 wab.exe 40 PID 2924 wrote to memory of 1728 2924 wab.exe 40 PID 2924 wrote to memory of 1728 2924 wab.exe 40 PID 2924 wrote to memory of 560 2924 wab.exe 41 PID 2924 wrote to memory of 560 2924 wab.exe 41 PID 2924 wrote to memory of 560 2924 wab.exe 41 PID 2924 wrote to memory of 560 2924 wab.exe 41 PID 2924 wrote to memory of 560 2924 wab.exe 41 -
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
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2356 -
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:2572
-
-
C:\Windows\System32\calc.exe"C:\Windows\System32\calc.exe"2⤵PID:2156
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"2⤵PID:2764
-
-
C:\Program Files (x86)\Windows Mail\wab.exe"C:\Program Files (x86)\Windows Mail\wab.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Program Files (x86)\Windows Mail\wab.exe"C:\Program Files (x86)\Windows Mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\kougsz"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1724
-
-
C:\Program Files (x86)\Windows Mail\wab.exe"C:\Program Files (x86)\Windows Mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\uqarsszsg"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:1728
-
-
C:\Program Files (x86)\Windows Mail\wab.exe"C:\Program Files (x86)\Windows Mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\wknjtkjtustpn"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:560
-
-
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2356 -s 8642⤵PID:2724
-
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
1Disable or Modify Tools
1Modify Registry
2Virtualization/Sandbox Evasion
2Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
128B
MD5f6bce702a3e668368cce55e39acee431
SHA1b3c887737ef11c4151717d6ecbb77cab56a8756c
SHA256c94807ac6f74893072b86b59178b66b0e6b7b504e2d9d3dd2b49036928784a7b
SHA5122c4ed5c8c884f5a2e8ded36b8a7cc71c207bb8695ea01175692df631745528bb0a5b3b9b40da609b7877eb6834c30e419850ccb7dfbfeadbed6055d2422ec341
-
Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84