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Resubmissions

08/12/2023, 11:29

231208-nlsgwsbd65 10

08/12/2023, 11:20

231208-nfveasbc54 10

31/10/2020, 11:20

201031-z3tgqqzt76 10

Analysis

  • max time kernel
    1172s
  • max time network
    1174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231201-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/12/2023, 11:29

General

  • Target

    spam20.dll

  • Size

    358KB

  • MD5

    6501006a6d47bc73976db9f3385c3c46

  • SHA1

    53082a7fa62dc4fe54586df6a6e481fe8beca1aa

  • SHA256

    c55e3938e9c2c9d00235d8ed87a55adc18fa1c6377a9ee0fd6212916c67d0020

  • SHA512

    df63e60f12d153e16b78464162dbd5d052192a1e09814eb91e21d28256a652ae04eb7ccdaf4022c95c9779edfbe15df7a708717a1c247cfe2d16e8d9f911bf0c

  • SSDEEP

    6144:091kAIgU+wK4UrePimd2jGZFakdU8fLx1tK7IwyBfb7T0Y:090gUQe6dUFHU8pi6xb7T

Malware Config

Extracted

Family

zloader

Botnet

crypto1

Campaign

crypto

C2

http://wmwifbajxxbcxmucxmlc.com/post.php

http://ojnxjgfjlftfkkuxxiqd.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

    110

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\spam20.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3556
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\spam20.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4548
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1440

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1440-6-0x0000000000110000-0x0000000000144000-memory.dmp

    Filesize

    208KB

  • memory/1440-9-0x0000000000110000-0x0000000000144000-memory.dmp

    Filesize

    208KB

  • memory/4548-0-0x0000000073DF0000-0x0000000074D55000-memory.dmp

    Filesize

    15.4MB

  • memory/4548-1-0x0000000000A00000-0x0000000000A01000-memory.dmp

    Filesize

    4KB

  • memory/4548-2-0x0000000073DF0000-0x0000000074D55000-memory.dmp

    Filesize

    15.4MB

  • memory/4548-7-0x0000000073DF0000-0x0000000074D55000-memory.dmp

    Filesize

    15.4MB