Analysis

  • max time kernel
    52s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    11-08-2021 08:42

General

  • Target

    JavaE.dll

  • Size

    953KB

  • MD5

    309661983ec46afb1868c9b8954d6b5e

  • SHA1

    407264334d98faca1d0945a554efeea9b9b3ad00

  • SHA256

    e6e972d93f6d8d1dbb56f41027614d7738bbe73d9a8cc65de8b06da666440ae5

  • SHA512

    1006b5e07bf686975c92a30372b1f83ea7c39f45b6597f66137dca2fa61d7648f690d04c85c8c20bc5b2bf04bba48c8ac851e9f06d354e867deb8189f2e683c6

Malware Config

Extracted

Family

zloader

Botnet

vasja

Campaign

vasja

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\JavaE.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:360
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\JavaE.dll
      2⤵
        PID:1816
        • C:\Windows\SysWOW64\msiexec.exe
          msiexec.exe
          3⤵
            PID:1324

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/360-60-0x000007FEFB7B1000-0x000007FEFB7B3000-memory.dmp
        Filesize

        8KB

      • memory/1324-65-0x0000000000000000-mapping.dmp
      • memory/1324-67-0x00000000000D0000-0x00000000000F6000-memory.dmp
        Filesize

        152KB

      • memory/1816-61-0x0000000000000000-mapping.dmp
      • memory/1816-62-0x0000000075451000-0x0000000075453000-memory.dmp
        Filesize

        8KB

      • memory/1816-63-0x00000000000C0000-0x00000000000C1000-memory.dmp
        Filesize

        4KB

      • memory/1816-64-0x0000000010000000-0x0000000010155000-memory.dmp
        Filesize

        1.3MB