Analysis

  • max time kernel
    67s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    11-08-2021 08:48

General

  • Target

    049d162b68a4c2ebbc872a0a8805080e5db84cfeb398339c09c4be1617e37451.dll

  • Size

    380KB

  • MD5

    e9679d6f35338721f38ba3af845bf73a

  • SHA1

    a2815a8f4431bb2895672c43c4ef4cb7d8523fe0

  • SHA256

    049d162b68a4c2ebbc872a0a8805080e5db84cfeb398339c09c4be1617e37451

  • SHA512

    379a777e11b1c7a6e499cfd6a00e003ff2c64c6bdec4c6f4170f84e4092ea9e5a392dced381c7d977bc5f8454f1c6aa6548df814e92eaf6effbd6b4c34ece56e

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 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\049d162b68a4c2ebbc872a0a8805080e5db84cfeb398339c09c4be1617e37451.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:508
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\049d162b68a4c2ebbc872a0a8805080e5db84cfeb398339c09c4be1617e37451.dll
      2⤵
        PID:1296
        • C:\Windows\SysWOW64\msiexec.exe
          msiexec.exe
          3⤵
            PID:2104

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1296-114-0x0000000000000000-mapping.dmp
      • memory/1296-116-0x0000000010000000-0x00000000100EC000-memory.dmp
        Filesize

        944KB

      • memory/1296-115-0x0000000000B10000-0x0000000000C5A000-memory.dmp
        Filesize

        1.3MB

      • memory/2104-117-0x0000000000000000-mapping.dmp
      • memory/2104-120-0x00000000006F0000-0x0000000000716000-memory.dmp
        Filesize

        152KB