Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/06/2026, 06:36

General

  • Target
    tmpjyann2nf.dll
  • Size 241KB
  • Sample260602-hdazzsft5x
  • SHA256 532e67f58bdc181f0df5428f72356c58a0bcfbd85b721564242983ac6e1e39bc
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • zloader

Botnet
  • DLLobnova

Campaign
  • newupdate326

C2
  • https://fdsjfjdsfjdsdsjajjs.com/gate.php

  • https://idisaudhasdhasdj.com/gate.php

  • https://dsjdjsjdsadhasdas.com/gate.php

  • https://dsdjfhdsufudhjas.com/gate.php

  • https://dsdjfhdsufudhjas.info/gate.php

  • https://fdsjfjdsfjdsdsjajjs.info/gate.php

  • https://idisaudhasdhasdj.info/gate.php

  • https://dsdjfhdsufudhjas.pro/gate.php

  • https://dsdjfhd9ddksaas.pro/gate.php

Attributes
  • build_id

    82

rc4.plain

Signatures

  • Family: Zloader, Terdot, DELoader, ZeusSphinx

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Badlisted process makes network request 6 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Suspicious use of SetThreadContext 1 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 2 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\tmpjyann2nf.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4728
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\tmpjyann2nf.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3328
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        3⤵
        • Adds Run key to start application
        • Badlisted process makes network request
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:920

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/920-8-0x00000000006D0000-0x0000000000700000-memory.dmp

        memory/3328-0-0x00000000753A0000-0x00000000753DF000-memory.dmp

        memory/3328-3-0x00000000753CB000-0x00000000753CC000-memory.dmp

        memory/3328-4-0x00000000753A0000-0x00000000753DF000-memory.dmp

        memory/3328-5-0x00000000753CB000-0x00000000753CC000-memory.dmp

        memory/3328-7-0x00000000753A0000-0x00000000753DF000-memory.dmp

        memory/3328-10-0x00000000753A0000-0x00000000753DF000-memory.dmp