Resubmissions

10-11-2021 20:49

211110-zmgybsacc9 10

06-10-2021 12:48

211006-p1649sbdcp 10

Analysis

  • max time kernel
    141s
  • max time network
    57s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    06-10-2021 12:48

General

  • Target

    test1.test.dll

  • Size

    481KB

  • MD5

    24ffea9dc53b9ee9b1a6b20d1a23ef4c

  • SHA1

    25a5af3a4a40d40efbc73a4214e9bb6145141110

  • SHA256

    ce110445b2aa78f9c14ceaea9c37ddd46b6df35d35bc4b8f840c00db72ff31c9

  • SHA512

    447b6d1c72c39ddb03392094655d6d50192f85cb21f88a863e2f35237309ffd8e8c1b5a758ecfc07b1aba10aa2f18e69a6f6a202ebe5682c82f5ddc2612831ef

Malware Config

Extracted

Family

squirrelwaffle

C2

http://vodvarkasprings.com/Fbjb82DVZMzM

http://jm-fitness.com/O9ZYqWiWR

http://mayurinternationalindia.com/89dQbvkH

http://chanakyacoaching.com/LNuPHv4w

http://fundacionpesa.com/Am2dFkv4Xf6

http://swayamhandcraft.in/bizUBo8Ncl4

http://7xwelfare.com/u1jliJYBwgsK

http://jaihanumanenterprises.com/E6itIXiE

http://deekayagencies.com/m9y7jtFxH

Signatures

  • SquirrelWaffle is a simple downloader written in C++.

    SquirrelWaffle.

  • Squirrelwaffle Payload 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\test1.test.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\test1.test.dll,#1
      2⤵
        PID:1916

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1916-61-0x0000000075D51000-0x0000000075D53000-memory.dmp

      Filesize

      8KB

    • memory/1916-63-0x0000000000220000-0x0000000000221000-memory.dmp

      Filesize

      4KB

    • memory/1916-64-0x00000000002C0000-0x00000000002D1000-memory.dmp

      Filesize

      68KB

    • memory/1916-65-0x00000000002F0000-0x0000000000300000-memory.dmp

      Filesize

      64KB