Analysis

  • max time kernel
    50s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    11-11-2021 11:58

General

  • Target

    168af6b70609e45a8be1891659d23c70154e940a6fd7f9daf6f8e9bd5192c0c7.dll

  • Size

    131KB

  • MD5

    28f10a71b6f73e66131efd2278c0b830

  • SHA1

    c7a863d1df81c4995a3ad3f5ec339b1079923fd5

  • SHA256

    168af6b70609e45a8be1891659d23c70154e940a6fd7f9daf6f8e9bd5192c0c7

  • SHA512

    19d66cb8af5852b88ea4f238aea7128733cebde01eb5176c792387359387298d8158642add3fd418cd5ac5e366257bac425c3a36d0ba85efcb3b7b52f139e5be

Malware Config

Extracted

Family

zloader

Botnet

buldog

Campaign

buldog

C2

https://iqowijsdakm.com/gate.php

https://wiewjdmkfjn.com/gate.php

https://dksaoidiakjd.com/gate.php

https://iweuiqjdakjd.com/gate.php

https://yuidskadjna.com/gate.php

https://olksmadnbdj.com/gate.php

https://odsakmdfnbs.com/gate.php

https://odsakjmdnhsaj.com/gate.php

https://odjdnhsaj.com/gate.php

https://odoishsaj.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.

  • suricata: ET MALWARE Observed ZLoader CnC Domain in SNI

    suricata: ET MALWARE Observed ZLoader CnC Domain in SNI

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\168af6b70609e45a8be1891659d23c70154e940a6fd7f9daf6f8e9bd5192c0c7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\168af6b70609e45a8be1891659d23c70154e940a6fd7f9daf6f8e9bd5192c0c7.dll,#1
      2⤵
        PID:2032
        • C:\Windows\SysWOW64\msiexec.exe
          msiexec.exe
          3⤵
            PID:568

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/568-57-0x0000000000090000-0x00000000000B6000-memory.dmp

        Filesize

        152KB

      • memory/568-58-0x00000000000C0000-0x00000000000C1000-memory.dmp

        Filesize

        4KB

      • memory/568-59-0x0000000000090000-0x00000000000B6000-memory.dmp

        Filesize

        152KB

      • memory/568-60-0x0000000000000000-mapping.dmp

      • memory/568-62-0x0000000000090000-0x00000000000B6000-memory.dmp

        Filesize

        152KB

      • memory/2032-55-0x0000000000000000-mapping.dmp

      • memory/2032-56-0x0000000075881000-0x0000000075883000-memory.dmp

        Filesize

        8KB