Analysis

  • max time kernel
    30s
  • max time network
    176s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    15-06-2021 07:12

General

  • Target

    b73bae190d2c8d18cbf00584c496e4f570da582507dbdbacdc8893053e5996ae.dll

  • Size

    306KB

  • MD5

    4f134d35f7d1afe6c91085f38e27640d

  • SHA1

    0102f545e6b8acefaff628159cd06697d9c520b7

  • SHA256

    b73bae190d2c8d18cbf00584c496e4f570da582507dbdbacdc8893053e5996ae

  • SHA512

    3bd09ea9b443fce5c9f78430b9e7254513907be81751ee671a133f7d2c46ad17c868fcdb5d382ee3a8cf4d2b931f5b07c2d86b52dea9f75b5dfa722b12c4abb9

Malware Config

Extracted

Family

zloader

Botnet

personal

Campaign

personal

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

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 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b73bae190d2c8d18cbf00584c496e4f570da582507dbdbacdc8893053e5996ae.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:736
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b73bae190d2c8d18cbf00584c496e4f570da582507dbdbacdc8893053e5996ae.dll,#1
      2⤵
        PID:1676
        • C:\Windows\SysWOW64\msiexec.exe
          msiexec.exe
          3⤵
            PID:1300

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1300-64-0x0000000000000000-mapping.dmp
      • memory/1300-66-0x0000000000090000-0x00000000000B6000-memory.dmp
        Filesize

        152KB

      • memory/1676-60-0x0000000000000000-mapping.dmp
      • memory/1676-61-0x00000000757E1000-0x00000000757E3000-memory.dmp
        Filesize

        8KB

      • memory/1676-62-0x0000000000160000-0x0000000000182000-memory.dmp
        Filesize

        136KB

      • memory/1676-63-0x0000000010000000-0x0000000010050000-memory.dmp
        Filesize

        320KB