Analysis

  • max time kernel
    89s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    09-08-2021 05:07

General

  • Target

    c43c3c195e838ef81a36c1434fa7395c.dll

  • Size

    952KB

  • MD5

    c43c3c195e838ef81a36c1434fa7395c

  • SHA1

    c9accdc1204579d13440df22e4892fcc2082dc7c

  • SHA256

    24c57cf9a9fd72827ced5f95796cf333089f076c660bf06b5e7d071a4d5fc102

  • SHA512

    5ec2613176ddf8ca9ae331823cb7b62d436ea007850e60a9aeeee0bf23c827a2e3c1eb422594bdd3ec4c86f7688d91f3e8a3c6b2435c46078069c53947a1739f

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\c43c3c195e838ef81a36c1434fa7395c.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:568
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\c43c3c195e838ef81a36c1434fa7395c.dll
      2⤵
        PID:892

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/892-114-0x0000000000000000-mapping.dmp

    • memory/892-115-0x00000000032E0000-0x00000000032E1000-memory.dmp

      Filesize

      4KB

    • memory/892-116-0x0000000010000000-0x0000000010155000-memory.dmp

      Filesize

      1.3MB