Analysis

  • max time kernel
    34s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    11-01-2022 15:22

General

  • Target

    us.dll

  • Size

    961KB

  • MD5

    5d9f2380da3a12c2d16dc2dd5ad4d63d

  • SHA1

    c76d2f11c160b78a353c6e54f7cff0c6e0413dff

  • SHA256

    fedcab6903489dca264c60d5fe04df3946248818f74f7c802b119832e715a6a8

  • SHA512

    81649d960f5f785d57876cbf98e45bbe9b6cee649c92868e56d883f89e19af41154b2587e7ebfccafbb10821065215315818da8947ca13d9cc622e77d823708f

Malware Config

Extracted

Family

zloader

Botnet

9092us

Campaign

9092us

C2

https://asdfghdsajkl.com/gate.php

https://lkjhgfgsdshja.com/gate.php

https://kjdhsasghjds.com/gate.php

https://kdjwhqejqwij.com/gate.php

https://iasudjghnasd.com/gate.php

https://daksjuggdhwa.com/gate.php

https://dkisuaggdjhna.com/gate.php

https://eiqwuggejqw.com/gate.php

https://dquggwjhdmq.com/gate.php

https://djshggadasj.com/gate.php

Attributes
  • build_id

    157

rc4.plain
rsa_pubkey.plain

Signatures

  • Zloader, Terdot, DELoader, ZeusSphinx

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\us.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2636
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\us.dll
      2⤵
        PID:2880
        • C:\Windows\SysWOW64\msiexec.exe
          msiexec.exe
          3⤵
            PID:3624

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2880-114-0x0000000000000000-mapping.dmp
      • memory/2880-115-0x00000000033D0000-0x00000000033D1000-memory.dmp
        Filesize

        4KB

      • memory/2880-116-0x0000000010000000-0x0000000010112000-memory.dmp
        Filesize

        1.1MB

      • memory/3624-118-0x0000000000000000-mapping.dmp
      • memory/3624-117-0x0000000002B40000-0x0000000002B66000-memory.dmp
        Filesize

        152KB

      • memory/3624-119-0x0000000000A10000-0x0000000000A11000-memory.dmp
        Filesize

        4KB

      • memory/3624-120-0x0000000000A10000-0x0000000000A11000-memory.dmp
        Filesize

        4KB

      • memory/3624-121-0x0000000002B40000-0x0000000002B66000-memory.dmp
        Filesize

        152KB