Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
20/05/2026, 17:55
General
- Target JUSTIFICANTE_PAGO_FACTURA_PROFORMA-978778774545223154.exe
- Size 806KB
- Sample260520-why49sft2q
- SHA256 88287f70307150fc1f469bf08e49dee581cdce1900dcf477a08d010e90fef57d
Malware Config
Signatures
- Family: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Badlisted process makes network request 9 IoCs
Network request originating from process or tool commonly abused by malware.
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 9 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 22 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\JUSTIFICANTE_PAGO_FACTURA_PROFORMA-978778774545223154.exe"C:\Users\Admin\AppData\Local\Temp\JUSTIFICANTE_PAGO_FACTURA_PROFORMA-978778774545223154.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe -windowstyle 1 "$Wolframet=GC -raw 'C:\Users\Admin\AppData\Local\Witnessers153\raabte\amuletters\Undvrligst130.Gul';$Canangium=$Wolframet.SubString(29282,3);.$Canangium($Wolframet)"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\msiexec.exe"C:\Windows\SysWOW64\msiexec.exe"3⤵
- Badlisted process makes network request
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
__PSScriptPolicyTest_oemf3wte.oni.ps1
transudes.jpg
Undvrligst130.Gul
prisniveaus.Kas
memory/1532-75-0x0000000001000000-0x0000000002317000-memory.dmp
memory/1532-76-0x0000000002320000-0x0000000002D8F000-memory.dmp
memory/1532-74-0x0000000002320000-0x0000000002D8F000-memory.dmp
memory/2104-33-0x00000000073E0000-0x0000000007476000-memory.dmp
memory/2104-55-0x0000000007B60000-0x0000000007B75000-memory.dmp
memory/2104-30-0x0000000006000000-0x0000000006357000-memory.dmp
memory/2104-31-0x00000000063E0000-0x00000000063FE000-memory.dmp
memory/2104-32-0x0000000006490000-0x00000000064DC000-memory.dmp
memory/2104-22-0x0000000005E50000-0x0000000005EB6000-memory.dmp
memory/2104-34-0x00000000068E0000-0x00000000068FA000-memory.dmp
memory/2104-35-0x0000000006940000-0x0000000006962000-memory.dmp
memory/2104-36-0x0000000007C50000-0x00000000081F6000-memory.dmp
memory/2104-21-0x0000000005560000-0x0000000005582000-memory.dmp
memory/2104-38-0x0000000008880000-0x0000000008EFA000-memory.dmp
memory/2104-39-0x000000007F490000-0x000000007F4A0000-memory.dmp
memory/2104-40-0x0000000007800000-0x0000000007834000-memory.dmp
memory/2104-42-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/2104-43-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/2104-50-0x0000000007860000-0x000000000787E000-memory.dmp
memory/2104-41-0x000000006FF90000-0x000000006FFDC000-memory.dmp
memory/2104-51-0x0000000007890000-0x0000000007934000-memory.dmp
memory/2104-52-0x0000000007990000-0x000000000799A000-memory.dmp
memory/2104-53-0x0000000007B10000-0x0000000007B21000-memory.dmp
memory/2104-54-0x0000000007B30000-0x0000000007B3E000-memory.dmp
memory/2104-23-0x0000000005EC0000-0x0000000005F26000-memory.dmp
memory/2104-56-0x0000000007BA0000-0x0000000007BBA000-memory.dmp
memory/2104-57-0x0000000007B90000-0x0000000007B98000-memory.dmp
memory/2104-59-0x0000000008200000-0x0000000008224000-memory.dmp
memory/2104-58-0x0000000007BE0000-0x0000000007C0A000-memory.dmp
memory/2104-60-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/2104-62-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/2104-63-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/2104-20-0x00000000055F0000-0x0000000005C1A000-memory.dmp
memory/2104-66-0x00000000082C0000-0x00000000082C2000-memory.dmp
memory/2104-65-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/2104-67-0x0000000008F00000-0x000000000996F000-memory.dmp
memory/2104-68-0x0000000008F00000-0x000000000996F000-memory.dmp
memory/2104-69-0x000000007F490000-0x000000007F4A0000-memory.dmp
memory/2104-71-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/2104-70-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/2104-72-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/2104-73-0x0000000008F00000-0x000000000996F000-memory.dmp
memory/2104-19-0x0000000004F30000-0x0000000004F40000-memory.dmp
memory/2104-18-0x0000000004F80000-0x0000000004FB6000-memory.dmp
memory/2104-17-0x0000000004F30000-0x0000000004F40000-memory.dmp