Analysis

  • max time kernel
    33s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/04/2021, 17:10

General

  • Target
    d057014fe0e29b2604bd852595441a22.dll
  • Size 666KB
  • Sample210415-p16phf7ckn
  • SHA256 b4c029f9bb6d85ace85302d25caa7ec1da9d641872ea8f62b333a667c0d7b864
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • zloader

Botnet
  • nut

Campaign
  • 13/04

C2
  • https://jiaayanu.com/post.php

  • https://investinszeklerland.eu/post.php

  • https://iqs-sac.com/post.php

  • https://jciems.in/post.php

  • https://jinnahofficersschool.com/post.php

  • https://kancagh.com/post.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\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d057014fe0e29b2604bd852595441a22.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d057014fe0e29b2604bd852595441a22.dll,#1
      2⤵
        PID:2288

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2288-115-0x0000000074140000-0x000000007416B000-memory.dmp

          memory/2288-116-0x0000000074140000-0x0000000074208000-memory.dmp

          memory/2288-117-0x00000000032F0000-0x000000000339E000-memory.dmp