Resubmissions

02-11-2020 07:53

201102-c9dts6kwxs 10

31-10-2020 02:04

201031-8r4zxqyeq2 1

Analysis

  • max time kernel
    191s
  • max time network
    268s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    02-11-2020 07:53

General

  • Target

    kFQR.dll

  • Size

    277KB

  • MD5

    fd0a2b6c6203e4b56d8c73f6323d5d68

  • SHA1

    e87f8d9f7e768f4169355ffda625a80f0e00decb

  • SHA256

    a4711adb921498e7c74af3fd05daaa525f261e7044d457e905dad66767e5b8b4

  • SHA512

    85bc1fd3fba441bbb67d6b75c3f058f2acec396299a012bc0c4ba5c1a5a105c712c54f258a58dc5ef2ef7789a58227d4ce99d14f53ceaf5c3cebdd44fe930c3a

Malware Config

Extracted

Family

zloader

Botnet

nut

Campaign

30/10

C2

https://creditoacumuladoicms.com.br/npnegt.php

https://morgadoent.co.za/fp3jsl.php

https://access-one.us/clkgmw.php

https://amazonuniverse.in/dgxcee.php

https://ntandingsundhosmala.tk/wp-smarts.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\kFQR.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1040
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\kFQR.dll,#1
      2⤵
        PID:1844

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/524-5-0x000007FEF7880000-0x000007FEF7AFA000-memory.dmp
      Filesize

      2.5MB

    • memory/1624-1-0x0000000000090000-0x00000000000B6000-memory.dmp
      Filesize

      152KB

    • memory/1624-2-0x00000000000C0000-0x00000000000C1000-memory.dmp
      Filesize

      4KB

    • memory/1624-3-0x0000000000090000-0x00000000000B6000-memory.dmp
      Filesize

      152KB

    • memory/1624-4-0x0000000000000000-mapping.dmp
    • memory/1844-0-0x0000000000000000-mapping.dmp