Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
01/08/2026, 10:17
General
- Target 8ac5c120f4a842dfd7905294bd98892f3ef5f63369bebc43a099ffbedfbadb05.exe
- Size 1.1MB
- Sample260801-mbvntssdrd
- SHA256 8ac5c120f4a842dfd7905294bd98892f3ef5f63369bebc43a099ffbedfbadb05
Malware Config
Signatures
- Family: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Badlisted process makes network request 10 IoCs
Network request originating from process or tool commonly abused by malware.
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Drops file in Windows directory 1 IoCs
- 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\8ac5c120f4a842dfd7905294bd98892f3ef5f63369bebc43a099ffbedfbadb05.exe"C:\Users\Admin\AppData\Local\Temp\8ac5c120f4a842dfd7905294bd98892f3ef5f63369bebc43a099ffbedfbadb05.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- 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" "$Horrorises=GC -raw 'C:\Users\Admin\AppData\Roaming\guldsmedenes\Oversaetteren.esp';$toxophilitism=$Horrorises.SubString(51875,3);$Epicenes++; .$toxophilitism($Horrorises)"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- 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
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_rqo3rznj.fzv.ps1
Liverwurst.Par
Oversaetteren.esp
memory/1312-81-0x0000000001040000-0x0000000002294000-memory.dmp
memory/5000-58-0x0000000004D60000-0x0000000004D70000-memory.dmp
memory/5000-48-0x00000000074F0000-0x0000000007522000-memory.dmp
memory/5000-29-0x0000000005A40000-0x0000000005AA6000-memory.dmp
memory/5000-28-0x0000000005250000-0x0000000005272000-memory.dmp
memory/5000-38-0x0000000005B20000-0x0000000005E74000-memory.dmp
memory/5000-39-0x00000000060F0000-0x000000000610E000-memory.dmp
memory/5000-40-0x0000000006110000-0x000000000615C000-memory.dmp
memory/5000-41-0x00000000072D0000-0x0000000007366000-memory.dmp
memory/5000-43-0x0000000006630000-0x0000000006652000-memory.dmp
memory/5000-42-0x00000000065E0000-0x00000000065FA000-memory.dmp
memory/5000-44-0x0000000007950000-0x0000000007EF4000-memory.dmp
memory/5000-27-0x00000000053A0000-0x00000000059C8000-memory.dmp
memory/5000-46-0x0000000008580000-0x0000000008BFA000-memory.dmp
memory/5000-47-0x000000007F7F0000-0x000000007F800000-memory.dmp
memory/5000-57-0x0000000007530000-0x000000000754E000-memory.dmp
memory/5000-49-0x000000006F850000-0x000000006F89C000-memory.dmp
memory/5000-59-0x0000000004D60000-0x0000000004D70000-memory.dmp
memory/5000-60-0x0000000007560000-0x0000000007603000-memory.dmp
memory/5000-30-0x0000000005AB0000-0x0000000005B16000-memory.dmp
memory/5000-24-0x0000000004D60000-0x0000000004D70000-memory.dmp
memory/5000-66-0x0000000007850000-0x0000000007858000-memory.dmp
memory/5000-62-0x00000000077C0000-0x00000000077D1000-memory.dmp
memory/5000-63-0x0000000007810000-0x000000000781E000-memory.dmp
memory/5000-64-0x0000000007820000-0x0000000007834000-memory.dmp
memory/5000-65-0x0000000007860000-0x000000000787A000-memory.dmp
memory/5000-61-0x0000000007660000-0x000000000766A000-memory.dmp
memory/5000-67-0x00000000078A0000-0x00000000078CA000-memory.dmp
memory/5000-68-0x00000000078D0000-0x00000000078F4000-memory.dmp
memory/5000-69-0x0000000004D60000-0x0000000004D70000-memory.dmp
memory/5000-71-0x0000000004D60000-0x0000000004D70000-memory.dmp
memory/5000-26-0x0000000004D60000-0x0000000004D70000-memory.dmp
memory/5000-73-0x0000000007640000-0x0000000007642000-memory.dmp
memory/5000-74-0x0000000008C00000-0x000000000AB3F000-memory.dmp
memory/5000-75-0x0000000008C00000-0x000000000AB3F000-memory.dmp
memory/5000-76-0x000000007F7F0000-0x000000007F800000-memory.dmp
memory/5000-78-0x0000000004D60000-0x0000000004D70000-memory.dmp
memory/5000-77-0x0000000004D60000-0x0000000004D70000-memory.dmp
memory/5000-79-0x0000000007640000-0x0000000007642000-memory.dmp
memory/5000-80-0x0000000008C00000-0x000000000AB3F000-memory.dmp
memory/5000-25-0x0000000004C70000-0x0000000004CA6000-memory.dmp