Analysis

  • max time kernel
    37s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    30-03-2021 11:49

General

  • Target

    microsoft_shared.tmp.dll

  • Size

    470KB

  • MD5

    5ab3e07ce737bb6b3d4e025fc13096fa

  • SHA1

    850d397ca30d1ca42f8c225b00ab003ae6a5cb3e

  • SHA256

    de47a37cb8c666a36b7e9315bfebf0996c0c92747a2f4029b4fafb2ba9f2b275

  • SHA512

    0b4e1f846733d52f074a92e042de26a7606227aaf7c204ddd29d4e42fb789b622c6fcd95f946f2f7ec3c5bba495b5e244474916533eb3a41e8d9289f86034006

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\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\microsoft_shared.tmp.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:548
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\microsoft_shared.tmp.dll
      2⤵
        PID:1540
        • C:\Windows\SysWOW64\msiexec.exe
          msiexec.exe
          3⤵
            PID:1212

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/548-2-0x000007FEFC2A1000-0x000007FEFC2A3000-memory.dmp
        Filesize

        8KB

      • memory/1212-7-0x0000000000000000-mapping.dmp
      • memory/1212-9-0x00000000000D0000-0x00000000000F6000-memory.dmp
        Filesize

        152KB

      • memory/1540-3-0x0000000000000000-mapping.dmp
      • memory/1540-4-0x0000000076451000-0x0000000076453000-memory.dmp
        Filesize

        8KB

      • memory/1540-6-0x00000000009A0000-0x0000000000A56000-memory.dmp
        Filesize

        728KB

      • memory/1540-5-0x0000000000100000-0x0000000000101000-memory.dmp
        Filesize

        4KB

      • memory/1580-10-0x000007FEF8800000-0x000007FEF8A7A000-memory.dmp
        Filesize

        2.5MB