Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
01/11/2026, 21:27
General
- Target INV-00474_pdf.vbs
- Size 61KB
- Sample261101-1a5pasds91
- SHA256 ca3b0bc21b24136080dc2d869966bfc23befc6b5dd495c48878a3cb1ba6cccf1
Malware Config
Extracted
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remcos
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RemoteHost
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102.220.161.244:2404
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audio_folder
MicRecords
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audio_path
ApplicationPath
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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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
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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
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-DG1OX2
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
- Family: Remcos
Remcos is a closed-source remote control and surveillance software.
- Badlisted process makes network request 3 IoCs
Network request originating from process or tool commonly abused by malware.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 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\INV-00474_pdf.vbs"1⤵
- Badlisted process makes network request
- Checks computer location settings
- Executes a VBScript file via the Windows Script Host.
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /v:on /c echo ^%jeames^% | !Overdefiantness! -2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo %jeames% "3⤵
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\??\c:\windows\syswow64\WindowsPowerShell\v1.0\powershell.exe"c:\windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" -3⤵
- Badlisted process makes network request
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"4⤵
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C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"4⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
- outlook_office_path
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C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"5⤵
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2Visual Basic
1Windows Command Shell
1Replay Monitor
Loading Replay Monitor...
Downloads
Login Data For Account.tmp
__PSScriptPolicyTest_ateatlis.daa.ps1
memory/1300-84-0x0000000001010000-0x0000000002264000-memory.dmp
memory/1300-83-0x0000000001010000-0x0000000002264000-memory.dmp
memory/1300-87-0x0000000001010000-0x0000000002264000-memory.dmp
memory/1300-86-0x0000000001010000-0x0000000002264000-memory.dmp
memory/1300-85-0x0000000001010000-0x0000000002264000-memory.dmp
memory/1300-89-0x0000000001010000-0x0000000002264000-memory.dmp
memory/1300-63-0x0000000001010000-0x0000000002264000-memory.dmp
memory/1300-88-0x0000000001010000-0x0000000002264000-memory.dmp
memory/1300-82-0x0000000001010000-0x0000000002264000-memory.dmp
memory/1300-81-0x0000000001010000-0x0000000002264000-memory.dmp
memory/1300-80-0x0000000001010000-0x0000000002264000-memory.dmp
memory/1300-79-0x0000000001010000-0x0000000002264000-memory.dmp
memory/1300-90-0x0000000001010000-0x0000000002264000-memory.dmp
memory/1300-71-0x000000001E770000-0x000000001E867000-memory.dmp
memory/1300-72-0x000000001E770000-0x000000001E867000-memory.dmp
memory/1300-68-0x000000001E770000-0x000000001E867000-memory.dmp
memory/2744-22-0x0000000007890000-0x0000000007906000-memory.dmp
memory/2744-28-0x000000007F160000-0x000000007F170000-memory.dmp
memory/2744-31-0x0000000070A30000-0x0000000070D84000-memory.dmp
memory/2744-41-0x0000000005050000-0x0000000005060000-memory.dmp
memory/2744-40-0x0000000005050000-0x0000000005060000-memory.dmp
memory/2744-42-0x0000000007D70000-0x0000000007E13000-memory.dmp
memory/2744-39-0x0000000007D50000-0x0000000007D6E000-memory.dmp
memory/2744-29-0x0000000007D10000-0x0000000007D42000-memory.dmp
memory/2744-43-0x0000000007E60000-0x0000000007E6A000-memory.dmp
memory/2744-44-0x0000000007E80000-0x0000000007E91000-memory.dmp
memory/2744-45-0x0000000005050000-0x0000000005060000-memory.dmp
memory/2744-46-0x000000007F160000-0x000000007F170000-memory.dmp
memory/2744-48-0x0000000005050000-0x0000000005060000-memory.dmp
memory/2744-47-0x0000000005050000-0x0000000005060000-memory.dmp
memory/2744-49-0x0000000009170000-0x000000000B9CC000-memory.dmp
memory/2744-30-0x00000000705C0000-0x000000007060C000-memory.dmp
memory/2744-27-0x0000000008BC0000-0x0000000009164000-memory.dmp
memory/2744-26-0x0000000007AE0000-0x0000000007B02000-memory.dmp
memory/2744-25-0x0000000007B50000-0x0000000007BE6000-memory.dmp
memory/2744-24-0x0000000007930000-0x000000000794A000-memory.dmp
memory/2744-23-0x0000000007F90000-0x000000000860A000-memory.dmp
memory/2744-4-0x0000000005050000-0x0000000005060000-memory.dmp
memory/2744-21-0x0000000007710000-0x0000000007754000-memory.dmp
memory/2744-20-0x00000000065F0000-0x000000000663C000-memory.dmp
memory/2744-19-0x00000000065A0000-0x00000000065BE000-memory.dmp
memory/2744-18-0x00000000060B0000-0x0000000006404000-memory.dmp
memory/2744-9-0x0000000005FD0000-0x0000000006036000-memory.dmp
memory/2744-10-0x0000000006040000-0x00000000060A6000-memory.dmp
memory/2744-8-0x0000000005D30000-0x0000000005D52000-memory.dmp
memory/2744-7-0x00000000056D0000-0x0000000005CF8000-memory.dmp
memory/2744-6-0x0000000005050000-0x0000000005060000-memory.dmp
memory/2744-5-0x0000000005060000-0x0000000005096000-memory.dmp