Analysis

  • max time kernel
    40s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    06-01-2022 10:55

General

  • Target

    us12.23.dll

  • Size

    1.9MB

  • MD5

    1b4eb327a40a14ac4afa627125b63056

  • SHA1

    2c0bc274bc2fd9dab82330b837711355170fc606

  • SHA256

    034f61d86de99210eb32a2dca27a3ad883f54750c46cdec4fcc53050b2f716eb

  • SHA512

    b94770dbf4339677dde0583f0da87bba1fb1c5c0eb028f1697976b24d6298ed43a2d2d1062c8c13a569a3db3032856a37d640a94fe4461986c2d44d1c4c4c819

Malware Config

Extracted

Family

zloader

Botnet

9092us

Campaign

9092us

C2

https://asdfghdsajkl.com/gate.php

https://lkjhgfgsdshja.com/gate.php

https://kjdhsasghjds.com/gate.php

https://kdjwhqejqwij.com/gate.php

https://iasudjghnasd.com/gate.php

https://daksjuggdhwa.com/gate.php

https://dkisuaggdjhna.com/gate.php

https://eiqwuggejqw.com/gate.php

https://dquggwjhdmq.com/gate.php

https://djshggadasj.com/gate.php

Attributes
  • build_id

    157

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 WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\us12.23.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3552
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\us12.23.dll
      2⤵
        PID:3420
        • C:\Windows\SysWOW64\msiexec.exe
          msiexec.exe
          3⤵
            PID:4452

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3420-115-0x0000000000000000-mapping.dmp

      • memory/3420-117-0x0000000000340000-0x0000000000341000-memory.dmp

        Filesize

        4KB

      • memory/3420-118-0x0000000010000000-0x00000000101ED000-memory.dmp

        Filesize

        1.9MB

      • memory/4452-119-0x0000000000E20000-0x0000000000E46000-memory.dmp

        Filesize

        152KB

      • memory/4452-120-0x0000000000000000-mapping.dmp

      • memory/4452-121-0x0000000000B30000-0x0000000000B31000-memory.dmp

        Filesize

        4KB

      • memory/4452-122-0x0000000000B30000-0x0000000000B31000-memory.dmp

        Filesize

        4KB

      • memory/4452-123-0x0000000000E20000-0x0000000000E46000-memory.dmp

        Filesize

        152KB