Analysis
- max time kernel
298s - max time network
292s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
01/10/2026, 06:51
General
- Target RFQ-033-N-F-GH.vbe
- Size 187KB
- Sample261001-hmrdbsch84
- SHA256 fa35ebddd896a6afa8f39ab44c68abdfb0c9e9f282992cb453cad4d1e47e22da
Malware Config
Extracted
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remcos
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RemoteHost
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102.220.163.40:2404
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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-J652VL
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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: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- 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.
- 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.
- Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- 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.
- 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 6 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\RFQ-033-N-F-GH.vbe"1⤵
- Checks computer location settings
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /v:on /c echo ^%Toddyskes87^% | !Oprettelsesafgifternes! -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 %Toddyskes87% "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
- Enumerates connected drives
- 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
- Enumerates connected drives
- 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
__PSScriptPolicyTest_3ejlgsfr.khu.ps1
memory/2116-29-0x00000000074D0000-0x00000000074D4000-memory.dmp
memory/2116-22-0x0000000007030000-0x0000000007052000-memory.dmp
memory/2116-3-0x0000000004CC0000-0x00000000052E8000-memory.dmp
memory/2116-4-0x0000000004A90000-0x0000000004AB2000-memory.dmp
memory/2116-5-0x0000000004C30000-0x0000000004C96000-memory.dmp
memory/2116-6-0x0000000005360000-0x00000000053C6000-memory.dmp
memory/2116-1-0x00000000044A0000-0x00000000044D6000-memory.dmp
memory/2116-14-0x0000000005510000-0x0000000005864000-memory.dmp
memory/2116-15-0x0000000005AF0000-0x0000000005B0E000-memory.dmp
memory/2116-16-0x0000000005B30000-0x0000000005B7C000-memory.dmp
memory/2116-17-0x0000000006060000-0x00000000060A4000-memory.dmp
memory/2116-18-0x0000000006BE0000-0x0000000006C56000-memory.dmp
memory/2116-19-0x00000000074E0000-0x0000000007B5A000-memory.dmp
memory/2116-20-0x0000000006E80000-0x0000000006E9A000-memory.dmp
memory/2116-21-0x00000000070C0000-0x0000000007156000-memory.dmp
memory/2116-31-0x00000000086C0000-0x000000000B3B7000-memory.dmp
memory/2116-23-0x0000000008110000-0x00000000086B4000-memory.dmp
memory/2116-24-0x0000000004680000-0x0000000004690000-memory.dmp
memory/2116-25-0x0000000004680000-0x0000000004690000-memory.dmp
memory/2116-26-0x0000000004680000-0x0000000004690000-memory.dmp
memory/2116-27-0x0000000004680000-0x0000000004690000-memory.dmp
memory/2116-0-0x0000000004680000-0x0000000004690000-memory.dmp
memory/2116-2-0x0000000004680000-0x0000000004690000-memory.dmp
memory/2116-30-0x00000000086C0000-0x000000000B3B7000-memory.dmp
memory/2116-32-0x00000000074D0000-0x00000000074D4000-memory.dmp
memory/2116-33-0x00000000086C0000-0x000000000B3B7000-memory.dmp
memory/2772-63-0x0000000001000000-0x0000000002254000-memory.dmp
memory/2772-45-0x000000001E770000-0x000000001E867000-memory.dmp
memory/2772-49-0x000000001E770000-0x000000001E867000-memory.dmp
memory/2772-48-0x000000001E770000-0x000000001E867000-memory.dmp
memory/2772-56-0x0000000001000000-0x0000000002254000-memory.dmp
memory/2772-57-0x0000000001000000-0x0000000002254000-memory.dmp
memory/2772-58-0x0000000001000000-0x0000000002254000-memory.dmp
memory/2772-59-0x0000000001000000-0x0000000002254000-memory.dmp
memory/2772-40-0x0000000001000000-0x0000000002254000-memory.dmp
memory/2772-60-0x0000000001000000-0x0000000002254000-memory.dmp
memory/2772-65-0x0000000001000000-0x0000000002254000-memory.dmp
memory/2772-61-0x0000000001000000-0x0000000002254000-memory.dmp
memory/2772-64-0x0000000001000000-0x0000000002254000-memory.dmp
memory/2772-67-0x0000000001000000-0x0000000002254000-memory.dmp
memory/2772-68-0x0000000001000000-0x0000000002254000-memory.dmp
memory/2772-69-0x0000000001000000-0x0000000002254000-memory.dmp
memory/2772-70-0x0000000001000000-0x0000000002254000-memory.dmp
memory/2772-71-0x0000000001000000-0x0000000002254000-memory.dmp
memory/2772-80-0x0000000001000000-0x0000000002254000-memory.dmp
memory/2772-81-0x0000000001000000-0x0000000002254000-memory.dmp