Analysis

  • max time kernel
    4294139s
  • max time network
    161s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    29-03-2022 23:18

General

  • Target

    f71190dc8f61cd12973cdcd12907b1bc4badde565923dc2e10b66b387977390a.dll

  • Size

    387KB

  • MD5

    6be160e07c67e20f34890c68e947f2be

  • SHA1

    d283d4eeb4f4c2e1221999b41ed4d1f166fcca45

  • SHA256

    f71190dc8f61cd12973cdcd12907b1bc4badde565923dc2e10b66b387977390a

  • SHA512

    99b64158d7d379384e5566fccb59d1bad1df30a0364fe2bc94b069c0acda4ef762c9795c41f3a06a1d3c38c4ea38269105821b31a4e2bdd89d5f6303d60182df

Malware Config

Extracted

Family

zloader

Botnet

nut

Campaign

17/11

C2

https://www.jaspalandassociates.com/logs.php

https://physiotherapywala.com/logs.php

https://proactivefacilities.com/logs.php

https://www.kabiraprints.in/logs.php

https://www.joinaslicagent.co.in/logs.php

https://mintcennelattti.ga/wp-smarts.php

Attributes
  • build_id

    237

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 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f71190dc8f61cd12973cdcd12907b1bc4badde565923dc2e10b66b387977390a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1876
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f71190dc8f61cd12973cdcd12907b1bc4badde565923dc2e10b66b387977390a.dll,#1
      2⤵
        PID:1816
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec.exe
      1⤵
        PID:1116

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1116-59-0x0000000000090000-0x00000000000B6000-memory.dmp

        Filesize

        152KB

      • memory/1116-61-0x00000000000C0000-0x00000000000C1000-memory.dmp

        Filesize

        4KB

      • memory/1116-62-0x0000000000090000-0x00000000000B6000-memory.dmp

        Filesize

        152KB

      • memory/1116-63-0x0000000000000000-mapping.dmp

      • memory/1116-65-0x0000000000090000-0x00000000000B6000-memory.dmp

        Filesize

        152KB

      • memory/1816-54-0x0000000000000000-mapping.dmp

      • memory/1816-55-0x0000000075EB1000-0x0000000075EB3000-memory.dmp

        Filesize

        8KB

      • memory/1816-57-0x0000000074C40000-0x0000000074CB1000-memory.dmp

        Filesize

        452KB

      • memory/1816-56-0x0000000074C40000-0x0000000074C66000-memory.dmp

        Filesize

        152KB

      • memory/1816-58-0x0000000074C40000-0x0000000074CB1000-memory.dmp

        Filesize

        452KB