Analysis

  • max time kernel
    149s
  • max time network
    112s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 17:49

General

  • Target
    tmprb8wygq3.exe
  • Size 736KB
  • Sample260522-weew8acs2k
  • SHA256 8cb1f8662f950b1a5e3f3d84f951f46b9c81a514a262c5cc396c68ce875973dc
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • zloader

Botnet
  • google1

Campaign
  • google1

C2
  • https://eecakesconf.at/web982/gate.php

Attributes
  • build_id

    2

rc4.plain
rsa_pubkey.plain

Signatures

  • Family: Zloader, Terdot, DELoader, ZeusSphinx

    Zloader is a malware strain that was initially discovered back in August 2015.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmprb8wygq3.exe
    "C:\Users\Admin\AppData\Local\Temp\tmprb8wygq3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1028
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec.exe
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4628
  • C:\Users\Admin\AppData\Roaming\Sazail\puonpaz.exe
    C:\Users\Admin\AppData\Roaming\Sazail\puonpaz.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3140

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        puonpaz.exe

        • Path C:\Users\Admin\AppData\Roaming\Sazail\puonpaz.exe
        • Size 736KB
        • SHA256 8cb1f8662f950b1a5e3f3d84f951f46b9c81a514a262c5cc396c68ce875973dc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1028-6-0x0000000000300000-0x00000000006A8000-memory.dmp

        memory/1028-2-0x0000000000386000-0x000000000038B000-memory.dmp

        memory/1028-1-0x0000000000300000-0x00000000006A8000-memory.dmp

        memory/1028-4-0x0000000000300000-0x00000000006A8000-memory.dmp

        memory/1028-5-0x0000000000300000-0x00000000006A8000-memory.dmp

        memory/1028-0-0x0000000000300000-0x00000000006A8000-memory.dmp

        memory/1028-7-0x0000000000300000-0x00000000006A8000-memory.dmp

        memory/1028-8-0x0000000000300000-0x00000000006A8000-memory.dmp

        memory/1028-10-0x0000000000300000-0x00000000006A8000-memory.dmp

        memory/1028-3-0x0000000000300000-0x00000000006A8000-memory.dmp

        memory/4628-9-0x0000000000900000-0x0000000000929000-memory.dmp

        memory/4628-13-0x0000000000900000-0x0000000000929000-memory.dmp

        memory/4628-12-0x0000000000900000-0x0000000000929000-memory.dmp