Analysis
- max time kernel
299s - max time network
289s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
15/10/2026, 04:47
General
- Target PURCHASE ORDER SINCOAUTOMATION PO 322357781 Ref 6421SINCOAUTOMATION4533.vbs
- Size 34KB
- Sample261015-feptesca36
- SHA256 cfbf5c3e349fe71bd1dfabe38eda8edf4ba1bb247083d4acbb3b68e1fff819d6
Malware Config
Extracted
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remcos
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7.3.1 Pro
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RemcosAgent
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46.183.223.125:2404
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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-8SW1XG
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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 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.
- Adds Run key to start application 2 TTPs 1 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 2 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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER SINCOAUTOMATION PO 322357781 Ref 6421SINCOAUTOMATION4533.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 ^%Understttelsesflades116^% | !Benzobis134! -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 %Understttelsesflades116% "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⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"5⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Startup key" /t REG_EXPAND_SZ /d "%Champine% -windowstyle 2 (.'gp' 'HKCU:\Software\Cocobolos\').'Flamberes' | %Champine% -"5⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Startup key" /t REG_EXPAND_SZ /d "%Champine% -windowstyle 2 (.'gp' 'HKCU:\Software\Cocobolos\').'Flamberes' | %Champine% -"6⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2Visual Basic
1Windows Command Shell
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Process Injection
1Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_ydxxasnz.dbl.ps1
memory/1296-33-0x0000000005420000-0x0000000005430000-memory.dmp
memory/1296-26-0x0000000007D50000-0x0000000007D72000-memory.dmp
memory/1296-7-0x0000000005A60000-0x0000000006088000-memory.dmp
memory/1296-8-0x0000000005950000-0x0000000005972000-memory.dmp
memory/1296-9-0x00000000059F0000-0x0000000005A56000-memory.dmp
memory/1296-10-0x0000000006140000-0x00000000061A6000-memory.dmp
memory/1296-5-0x0000000002F00000-0x0000000002F36000-memory.dmp
memory/1296-18-0x0000000006200000-0x0000000006554000-memory.dmp
memory/1296-19-0x0000000006890000-0x00000000068AE000-memory.dmp
memory/1296-20-0x00000000068D0000-0x000000000691C000-memory.dmp
memory/1296-21-0x0000000007A00000-0x0000000007A44000-memory.dmp
memory/1296-22-0x0000000007B80000-0x0000000007BF6000-memory.dmp
memory/1296-23-0x0000000008280000-0x00000000088FA000-memory.dmp
memory/1296-36-0x0000000009460000-0x000000000A5DF000-memory.dmp
memory/1296-25-0x0000000007DB0000-0x0000000007E46000-memory.dmp
memory/1296-34-0x0000000009460000-0x000000000A5DF000-memory.dmp
memory/1296-27-0x0000000008EB0000-0x0000000009454000-memory.dmp
memory/1296-28-0x0000000005420000-0x0000000005430000-memory.dmp
memory/1296-30-0x0000000005420000-0x0000000005430000-memory.dmp
memory/1296-31-0x0000000005420000-0x0000000005430000-memory.dmp
memory/1296-32-0x0000000005420000-0x0000000005430000-memory.dmp
memory/1296-4-0x0000000005420000-0x0000000005430000-memory.dmp
memory/1296-6-0x0000000005420000-0x0000000005430000-memory.dmp
memory/1296-35-0x00000000065A0000-0x00000000065A3000-memory.dmp
memory/1296-24-0x0000000007C20000-0x0000000007C3A000-memory.dmp
memory/1296-37-0x00000000065A0000-0x00000000065A3000-memory.dmp
memory/1296-38-0x0000000009460000-0x000000000A5DF000-memory.dmp
memory/2920-63-0x0000000000660000-0x00000000018B4000-memory.dmp
memory/2920-64-0x0000000000660000-0x00000000018B4000-memory.dmp
memory/2920-62-0x0000000000660000-0x00000000018B4000-memory.dmp
memory/2920-57-0x0000000000660000-0x00000000018B4000-memory.dmp
memory/2920-58-0x0000000000660000-0x00000000018B4000-memory.dmp
memory/2920-59-0x0000000000660000-0x00000000018B4000-memory.dmp
memory/2920-60-0x0000000000660000-0x00000000018B4000-memory.dmp
memory/2920-51-0x0000000000660000-0x00000000018B4000-memory.dmp
memory/2920-54-0x0000000000660000-0x00000000018B4000-memory.dmp
memory/2920-61-0x0000000000660000-0x00000000018B4000-memory.dmp
memory/2920-56-0x0000000000660000-0x00000000018B4000-memory.dmp
memory/2920-65-0x0000000000660000-0x00000000018B4000-memory.dmp
memory/2920-66-0x0000000000660000-0x00000000018B4000-memory.dmp
memory/2920-70-0x0000000000660000-0x00000000018B4000-memory.dmp
memory/2920-71-0x0000000000660000-0x00000000018B4000-memory.dmp
memory/2920-72-0x0000000000660000-0x00000000018B4000-memory.dmp
memory/2920-73-0x0000000000660000-0x00000000018B4000-memory.dmp
memory/2920-74-0x0000000000660000-0x00000000018B4000-memory.dmp