Analysis
- max time kernel
39s - max time network
35s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
28/10/2026, 13:27
Static task
static1
Behavioral task
behavioral1
Sample
Kajeput.vbs
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
Kajeput.vbs
Resource
win11ltsc2024-20260911-en
General
- Target Kajeput.vbs
- Size 139KB
- Sample261028-qqbfaa1ycs
- SHA256 b43a005188f195683c34d9ea85522fe1563ed91adf0b9df9b65d77dab8620e68
- MD5 fc235ed3b6baacc6a7845966f4547a34
- SHA1 a1239a1179b1082011e744156f33e9ab0fd9168c
- SHA512 9d665ab4c8c1f38e1e65ce55ac3935274ea5cef12bd2ca2ad3870924f7c5f83cb874ebbdcd469b7ddc3dab508794ba8bb3b6214bc26b421326214131dff195f2
- SSDEEP 1536:CPaBdGxFBhBvL46amOw+6yGGnngm09dMdUtoYS2CXGia+0a5jngYevK5c:CPaBd8P5RamOx6yddhYSDXGF+1Rncye
- TLSH T1A6D3D818BFE486BDA963AE5FE98205508874C91E093360BCF5681FBD3C2B71C967D1B4
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
RemoteHost1
-
130.12.182.29:2404
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audio_folder
MicRecords
-
audio_path
ApplicationPath
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audio_record_time
5
-
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
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
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keylog_flag
false
-
keylog_folder
remcos
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mouse_option
false
-
mutex
Rmc-GLASEN
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screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Family: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Badlisted process makes network request 3 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 4 2864 WScript.exe 11 456 powershell.exe 13 456 powershell.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000\Control Panel\International\Geo\Nation WScript.exe - Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook backgroundtaskhost.exe Key enumerated \REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000\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 10 drive.google.com 11 drive.google.com 19 drive.google.com - Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
pid Process 2864 WScript.exe - Suspicious use of NtCreateThreadExHideFromDebugger 1 TTPs 1 IoCs
pid Process 3228 backgroundtaskhost.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs
pid Process 456 powershell.exe 3228 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 3532 cmd.exe - 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.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname WScript.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain WScript.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 456 powershell.exe 456 powershell.exe 456 powershell.exe 456 powershell.exe 456 powershell.exe 456 powershell.exe - Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
pid Process 456 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 456 powershell.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3228 backgroundtaskhost.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2864 wrote to memory of 3532 2864 WScript.exe 85 PID 3532 wrote to memory of 4244 3532 cmd.exe 87 PID 3532 wrote to memory of 456 3532 cmd.exe 88 PID 456 wrote to memory of 2240 456 powershell.exe 96 PID 456 wrote to memory of 3228 456 powershell.exe 97 PID 456 wrote to memory of 3228 456 powershell.exe 97 PID 3228 wrote to memory of 2340 3228 backgroundtaskhost.exe 98 - outlook_office_path 1 IoCs
description ioc Process Key enumerated \REGISTRY\USER\S-1-5-21-2101206053-1414382737-268919432-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook backgroundtaskhost.exe
Processes
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Kajeput.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
PID:2864 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /v:on /c echo ^%Thermic^% | !Uforknyttes! -2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3532 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo %Thermic% "3⤵PID:4244
-
-
\??\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:456 -
C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"4⤵PID:2240
-
-
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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
PID:3228 -
C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"5⤵PID:2340
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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
- Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data For Account.tmp
- Size 40KB
- SHA256 06aeb2f9c1ee642348c091fb27541c143545354c273055ce30832e0f61aedf81
- MD5 ba979c77c714b67908bc582ec373c723
- SHA1 ff6b59b47b8d3ad488eaa7a4b0040a9a93eb19fe
- SHA512 fc6b860dcb9e00c6ab7aa72555fb17921bbb8b1276acf0ab5fcb20b5f2dbd4bf71946c5c4fcfc46310f8de29491a63e46d43805070d19f290070f60077f80b01
- SSDEEP 96:wDaCn8MouB6w9fUP8iZqmvJKLPeymwil:wDaG7Iw9f/iSi
- TLSH T16103440F2E682801C8B94632BCF124E62E7DA03E4F13EED12CB504659D75C52B52E5EF
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nlnmdhec.0id.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH