Analysis
- max time kernel
150s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/10/2026, 00:45
Static task
static1
Behavioral task
behavioral1
Sample
Succinea.vbs
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
Succinea.vbs
Resource
win11ltsc2024-20260911-en
General
- Target Succinea.vbs
- Size 121KB
- Sample261028-a4asxafa59
- SHA256 fc206b9b1c4fdc6ae2ac1ce120d37423e968e143650d4cbc19fd1491a4bd9708
- MD5 5014d2c1a8984971e0a709284bee27e5
- SHA1 401dd555661447597e14138f4e7d3fbf98f2ec0c
- SHA512 7cd4639c990eaf8d8ab86ee6f24e4f3de120fb5f0219d81f372d5167488203be6167f160aea176d669298b440c3bee0562627ce8734063546a13bccf1ca40096
- SSDEEP 1536:GWIR3bAMH5XygF0FFJClEZO8Mxl0gkwHWY2HeQKsSqZXpswdAZtMsS4Zf8oftk:GWIR/YMo8Ok8MoHesSiXmwOZWL42Ok
- TLSH T1E5C3C222DBD426368E47869DA958095785FC8518333B80ECA69D121E1F03D5CBBFBEB4
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
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remcos
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RemoteHost
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91.92.41.145:2404
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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-7A3ZN1
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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
- Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 7 4292 powershell.exe 8 4292 powershell.exe - Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook backgroundtaskhost.exe Key enumerated \REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook backgroundtaskhost.exe - 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.
flow ioc 1 drive.google.com 7 drive.google.com 10 drive.google.com - Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
pid Process 3552 WScript.exe - Suspicious use of NtCreateThreadExHideFromDebugger 1 TTPs 1 IoCs
pid Process 2520 backgroundtaskhost.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs
pid Process 4292 powershell.exe 2520 backgroundtaskhost.exe - 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.
pid Process 2464 cmd.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language backgroundtaskhost.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4292 powershell.exe 4292 powershell.exe 4292 powershell.exe 4292 powershell.exe 4292 powershell.exe 4292 powershell.exe - Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
pid Process 4292 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4292 powershell.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3552 wrote to memory of 2464 3552 WScript.exe 89 PID 2464 wrote to memory of 3336 2464 cmd.exe 91 PID 2464 wrote to memory of 4292 2464 cmd.exe 92 PID 4292 wrote to memory of 5580 4292 powershell.exe 93 PID 4292 wrote to memory of 2520 4292 powershell.exe 94 PID 4292 wrote to memory of 2520 4292 powershell.exe 94 PID 2520 wrote to memory of 3192 2520 backgroundtaskhost.exe 95 - outlook_office_path 1 IoCs
description ioc Process Key enumerated \REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook backgroundtaskhost.exe
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Succinea.vbs"1⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
PID:3552 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /v:on /c echo ^%Harmonikasenge156^% | !Ipr! -2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2464 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo %Harmonikasenge156% "3⤵PID:3336
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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
PID:4292 -
C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"4⤵PID:5580
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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
PID:2520 -
C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"5⤵PID:3192
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