Analysis

  • max time kernel
    148s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    19-03-2022 10:41

General

  • Target

    acc23d61641e44bd6ee2a4e2080aa8841856efdbc11b4be75ffdf721f757cf07.dll

  • Size

    520KB

  • MD5

    0ffead3ef4030a202a8e55ce6efd1aba

  • SHA1

    8642810c98e1f84a9ee3dc69d3b1ff2672bb8f25

  • SHA256

    acc23d61641e44bd6ee2a4e2080aa8841856efdbc11b4be75ffdf721f757cf07

  • SHA512

    1dc3a5773ceb4f53dee9105e6074c5d3c0fab6ca21c917949b6a2d6845f002650d4537d1275d07191cde79b8920df9c95e92fd4f915c5a109075e982a4132019

Malware Config

Extracted

Family

zloader

Botnet

nut

Campaign

11/12

C2

https://www.businessinsurancelaw.com/wp-punch.php

https://squire.ae/wp-punch.php

https://lamun.pk/wp-punch.php

https://www.rcclabbd.com/wp-punch.php

https://thecype.com/wp-punch.php

https://theterteboltallbrow.tk/wp-smarts.php

Attributes
  • build_id

    286

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 21 IoCs
  • 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\acc23d61641e44bd6ee2a4e2080aa8841856efdbc11b4be75ffdf721f757cf07.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4640
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\acc23d61641e44bd6ee2a4e2080aa8841856efdbc11b4be75ffdf721f757cf07.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4628
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        3⤵
        • Blocklisted process makes network request
        • Suspicious use of AdjustPrivilegeToken
        PID:4156

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4156-134-0x0000000000B80000-0x0000000000BA6000-memory.dmp
    Filesize

    152KB

  • memory/4156-135-0x0000000000B80000-0x0000000000BA6000-memory.dmp
    Filesize

    152KB

  • memory/4628-131-0x0000000010000000-0x0000000010094000-memory.dmp
    Filesize

    592KB

  • memory/4628-130-0x0000000010000000-0x0000000010026000-memory.dmp
    Filesize

    152KB

  • memory/4628-132-0x0000000010000000-0x0000000010094000-memory.dmp
    Filesize

    592KB

  • memory/4628-133-0x0000000000BF0000-0x0000000000BF1000-memory.dmp
    Filesize

    4KB