Analysis

  • max time kernel
    1136s
  • max time network
    1140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/12/2023, 09:48

General

  • Target
    75b24a04b7ddddd036a8e677061e2cd86bc74f147f4b59de463964476db5f003.dll
  • Size 448KB
  • Sample231208-ls2m2abg4x
  • SHA256 75b24a04b7ddddd036a8e677061e2cd86bc74f147f4b59de463964476db5f003
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • zloader

Botnet
  • April27misha

Campaign
  • April27misha

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

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

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

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

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

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

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

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

Attributes
  • build_id

    123

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\75b24a04b7ddddd036a8e677061e2cd86bc74f147f4b59de463964476db5f003.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4152
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\75b24a04b7ddddd036a8e677061e2cd86bc74f147f4b59de463964476db5f003.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3696
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2576

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2576-10-0x0000000000570000-0x00000000005A4000-memory.dmp

        memory/2576-12-0x0000000000570000-0x00000000005A4000-memory.dmp

        memory/2576-14-0x0000000000570000-0x00000000005A4000-memory.dmp

        memory/2576-15-0x0000000000570000-0x00000000005A4000-memory.dmp

        memory/3696-1-0x0000000074320000-0x0000000075296000-memory.dmp

        memory/3696-2-0x00000000005F0000-0x00000000005F1000-memory.dmp

        memory/3696-3-0x0000000074320000-0x0000000075296000-memory.dmp

        memory/3696-11-0x0000000074320000-0x0000000075296000-memory.dmp