Analysis

  • max time kernel
    1797s
  • max time network
    1790s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    22-03-2021 15:50

General

  • Target

    360000.dll

  • Size

    150KB

  • MD5

    b2dc3a104d18f1a899d67fcd69fc0c5b

  • SHA1

    b5306f3e9d4a86d518cd4433a1eae65151775384

  • SHA256

    965e8a6c0b646352406ea5deb665a38606670c9163e12af2684dba436ae9fff3

  • SHA512

    d6d2f900a6095a895894bc50074bc2dde40aafd304f1e3078958d721b373f525201e979162ce64e81dce256779162c1a853dfc6909af47b4304da5daa1cc042b

Malware Config

Extracted

Family

zloader

Botnet

nut

Campaign

22/03

C2

https://svilapp.svgipsar.org/post.php

https://nadar-gis.com/post.php

https://crearqarquitectos.com/post.php

https://crown-sign.com/post.php

https://dainikjahan.com/post.php

https://denatureedutech.com/post.php

https://alekllemtilaro.tk/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.

  • Blocklisted process makes network request 64 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\360000.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\360000.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2036
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        3⤵
        • Blocklisted process makes network request
        • Suspicious use of AdjustPrivilegeToken
        PID:1724

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/672-7-0x000007FEF7F70000-0x000007FEF81EA000-memory.dmp

    Filesize

    2.5MB

  • memory/1724-4-0x0000000000000000-mapping.dmp

  • memory/1724-6-0x0000000000090000-0x00000000000BB000-memory.dmp

    Filesize

    172KB

  • memory/2036-2-0x0000000000000000-mapping.dmp

  • memory/2036-3-0x00000000767E1000-0x00000000767E3000-memory.dmp

    Filesize

    8KB