Resubmissions

24-01-2024 08:17

240124-j6t41adgg8 10

24-01-2024 07:52

240124-jqd3vadcfj 10

23-01-2024 11:54

240123-n28ttaafc8 10

24-06-2020 13:13

200624-qjwbdtfea2 10

Analysis

  • max time kernel
    1164s
  • max time network
    1165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-01-2024 11:54

General

  • Target

    june23.dll

  • Size

    383KB

  • MD5

    7e889962ed9651933c46faa6f7b5ab6d

  • SHA1

    015639fe2a6af8d9205e0fb36226c9d134b49fd8

  • SHA256

    a51d5fe8c5f9ea9c4af866b7b6669845433934e4b4528995a3ac1702e7002c0e

  • SHA512

    914e07996a14bd4499b91333ab0de65748e5617d543dd0eff3a269d24a542f15cbe1dca7be618843c0d7fb60dcaf96e20e5de95ac2989dc48850ab1a10aa8ff2

  • SSDEEP

    6144:0855ylon+ZoU2BrVjEv1Ah4voE4JDU20IRqTMjREIx6a:0mgllw9FmAhjxU2rRr6

Malware Config

Extracted

Family

zloader

Botnet

june23

Campaign

june

C2

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

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

http://softwareserviceupdater1.com/web/post.php

http://softwareserviceupdater2.com/web/post.php

Attributes
  • build_id

    7

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 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\june23.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3092
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\june23.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:5976
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3212

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/3212-8-0x00000000012F0000-0x000000000131B000-memory.dmp

    Filesize

    172KB

  • memory/3212-11-0x00000000012F0000-0x000000000131B000-memory.dmp

    Filesize

    172KB

  • memory/5976-1-0x0000000010000000-0x0000000010162000-memory.dmp

    Filesize

    1.4MB

  • memory/5976-2-0x0000000010000000-0x0000000010162000-memory.dmp

    Filesize

    1.4MB

  • memory/5976-0-0x0000000010000000-0x0000000010162000-memory.dmp

    Filesize

    1.4MB

  • memory/5976-4-0x0000000001270000-0x0000000001271000-memory.dmp

    Filesize

    4KB

  • memory/5976-3-0x0000000010000000-0x0000000010162000-memory.dmp

    Filesize

    1.4MB

  • memory/5976-5-0x0000000010000000-0x0000000010162000-memory.dmp

    Filesize

    1.4MB

  • memory/5976-9-0x0000000010000000-0x0000000010162000-memory.dmp

    Filesize

    1.4MB