Resubmissions

08/12/2023, 09:50

231208-lva8vsad9510

05/02/2022, 10:48

220205-mwes4sagdn10

Analysis

  • max time kernel
    1176s
  • max time network
    1177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/12/2023, 09:50

General

  • Target
    bc0b57f04efe4239fcc02f049c97016c653c963de8cbe45bcf9449cd16919f08.dll
  • Size 452KB
  • Sample231208-lva8vsad95
  • SHA256 bc0b57f04efe4239fcc02f049c97016c653c963de8cbe45bcf9449cd16919f08
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • zloader

Botnet
  • goosdoc

Campaign
  • retcrypt

C2
  • http://wmwifbajxxbcxmucxmlc.com/post.php

  • http://pwkqhdgytsshkoibaake.com/post.php

  • http://snnmnkxdhflwgthqismb.com/post.php

  • http://iawfqecrwohcxnhwtofa.com/post.php

  • http://nlbmfsyplohyaicmxhum.com/post.php

  • http://fvqlkgedqjiqgapudkgq.com/post.php

  • http://cmmxhurildiigqghlryq.com/post.php

  • http://nmqsmbiabjdnuushksas.com/post.php

  • http://fyratyubvflktyyjiqgq.com/post.php

Attributes
  • build_id

    117

rc4.plain

Signatures

  • Zloader, Terdot, DELoader, ZeusSphinx

    Zloader is a malware strain that was initially discovered back in August 2015.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc0b57f04efe4239fcc02f049c97016c653c963de8cbe45bcf9449cd16919f08.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:820
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc0b57f04efe4239fcc02f049c97016c653c963de8cbe45bcf9449cd16919f08.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3484
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2304

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2304-7-0x0000000000530000-0x0000000000564000-memory.dmp

        memory/2304-10-0x0000000000530000-0x0000000000564000-memory.dmp

        memory/3484-0-0x0000000010000000-0x0000000010F81000-memory.dmp

        memory/3484-1-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

        memory/3484-2-0x0000000010000000-0x0000000010F81000-memory.dmp

        memory/3484-8-0x0000000010000000-0x0000000010F81000-memory.dmp