Overview

overview

10

Static

static

10

tmpo9qs2_an.dll

windows10-ltsc_2021-x64

10

tmpo9qs2_an.dll

windows10-2004-x64

10

tmpo9qs2_an.dll

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    22/05/2026, 17:51

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General

  • Target
    tmpo9qs2_an.dll
  • Size 111KB
  • Sample260522-we5smset8x
  • SHA256 e3932ab83bc05de2e91d321c4d479ff1aa3d10fdbd91e1687c80cc0ec88270e8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
botnetdiscoveryzloaderpersistencetrojan

Malware Config

Signatures

  • Family: Zloader, Terdot, DELoader, ZeusSphinx

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

    trojanbotnetzloader
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Badlisted process makes network request 7 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • 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.

    discovery
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\tmpo9qs2_an.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\tmpo9qs2_an.dll
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2828
      • 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:3960

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/3960-0-0x0000000000CE0000-0x0000000000D01000-memory.dmp
        Download