Analysis

  • max time kernel
    111s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    03-05-2022 00:21

General

  • Target

    5f7096eb3e7654bc5c7230466361b3f6f5b6ae3940aa6461e530f8849ccb21b5.dll

  • Size

    541KB

  • MD5

    dcc3090f7e614a5aec91160e412139b5

  • SHA1

    e5add77436258e6fc7a29950a8386d12e428979d

  • SHA256

    5f7096eb3e7654bc5c7230466361b3f6f5b6ae3940aa6461e530f8849ccb21b5

  • SHA512

    8c221738c93c26ec81f565c7cb6a3594adcad6464dbe55060a614cfcf6f6fd528e8c410dd6ab8dbcdc6bb9d07673b7e7430da5fc83980e8b528c42709e26c6c3

Malware Config

Extracted

Family

zloader

Botnet

nut

Campaign

16/10

C2

https://rkhydraulic.com/gqvvjx.php

https://sadarpursangbad.com/eraksa.php

https://t20group.com/atufik.php

https://voldemarholding.ee/b6h7s1.php

https://reach-me.co/oay1hk.php

https://acpdd.cat/sv34fs.php

https://aestheticscc.com/wbbako.php

https://procalterfineb.tk/wp-smarts.php

Attributes
  • build_id

    170

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\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f7096eb3e7654bc5c7230466361b3f6f5b6ae3940aa6461e530f8849ccb21b5.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2812
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f7096eb3e7654bc5c7230466361b3f6f5b6ae3940aa6461e530f8849ccb21b5.dll,#1
      2⤵
        PID:3184

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3184-130-0x0000000000000000-mapping.dmp

    • memory/3184-131-0x0000000075760000-0x0000000075786000-memory.dmp

      Filesize

      152KB

    • memory/3184-132-0x0000000075760000-0x00000000757FD000-memory.dmp

      Filesize

      628KB