Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-11-2020 20:37

General

  • Target

    w.dll

  • Size

    492KB

  • MD5

    892fbc87fdbcbe9d91e17ae7355eb54c

  • SHA1

    c0e25d2f02a768def644be6c248732da4f91495b

  • SHA256

    67b46301815d5ba32f90af114a459810902ba6d97a75821c8455b8103073b499

  • SHA512

    09c30eef3c57be57ef396ff1c2de92f0cff1b57bea0e56ab6401b844b4c5982c7a56f3ef708d0aff2bb6ea1baaef5cf39098b6623bc529c579b35ad73ea4039a

Malware Config

Extracted

Family

zloader

Botnet

miguel

Campaign

05/06

C2

https://gahotimaskever.ga/wp-parser.php

https://tlenexicagopca.tk/wp-parser.php

http://cld.kazgau.com/wp-parser.php

https://cmso.med.cmu.ac.th/wp-parser.php

http://janekleeb.com/wp-parser.php

rc4.plain
rsa_pubkey.plain

Signatures

  • Zloader, Terdot, DELoader, ZeusSphinx

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

  • Blacklisted process makes network request 13 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\w.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\w.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2028
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        3⤵
        • Blacklisted process makes network request
        • Suspicious use of AdjustPrivilegeToken
        PID:1596

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1596-2-0x00000000000C0000-0x00000000000C1000-memory.dmp
    Filesize

    4KB

  • memory/1596-1-0x0000000000090000-0x00000000000BB000-memory.dmp
    Filesize

    172KB

  • memory/1596-3-0x0000000000090000-0x00000000000BB000-memory.dmp
    Filesize

    172KB

  • memory/1596-4-0x0000000000000000-mapping.dmp
  • memory/1808-5-0x000007FEF6930000-0x000007FEF6BAA000-memory.dmp
    Filesize

    2.5MB

  • memory/2028-0-0x0000000000000000-mapping.dmp