Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    21-01-2022 23:13

General

  • Target

    be16fd74a81487bd298aa033e6174ed33b12358adf31f6860df246403e75dee1.dll

  • Size

    212KB

  • MD5

    fe03881510cbbaecd5c165ca7eade2ab

  • SHA1

    3b5049f82f1770f88aab7ee7e6c7d7239f84446a

  • SHA256

    be16fd74a81487bd298aa033e6174ed33b12358adf31f6860df246403e75dee1

  • SHA512

    8969afc1b85ccd016ad306ada1f5ad6450f362485a1c130f185503e687dc97568cc059576b6fdd75ce8d76a77e4837dc932f5e833a0a5f608df4776057235d07

Malware Config

Extracted

Family

squirrelwaffle

C2

http://pop.vicamtaynam.com/VtyiHAft

http://snsvidyapeeth.in/aXmo2Dr3

http://trinitytesttubebaby.com/QR2JvfE3Sv

http://iconskw.com/cqdPtAbZ

http://ebookchuyennganh.com/v9PMvQDxHK8W

http://alsader.net/BHdQaiQ9rt

http://avyanshglobal.com/6pYjPlqf

http://primahills-online.com/ypCiZn7tMx

http://antoniocastroycia.com.co/WHe08obY

http://apexbiotech.net/VQgunQ4t5Ue

http://vscm.in/V3tYKxDz

http://sinaloworx.co.za/3GilA8Eo3r

http://dancongnghe.xyz/yRByhX6J3REI

http://trajesuniformes.com.br/qQofZMaJm

http://fiorenzapaes.com.br/PGYpETW7

http://astetinternational.com/arW5e44Y7vzO

http://razisystem.ir/MqvvkX0cWvn

http://krishnaiti.org.in/rWA02HQY4

Signatures

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

    SquirrelWaffle.

  • Squirrelwaffle Payload 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\be16fd74a81487bd298aa033e6174ed33b12358adf31f6860df246403e75dee1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\be16fd74a81487bd298aa033e6174ed33b12358adf31f6860df246403e75dee1.dll,#1
      2⤵
        PID:1576

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1576-54-0x0000000075601000-0x0000000075603000-memory.dmp

      Filesize

      8KB

    • memory/1576-55-0x00000000021F0000-0x000000000620A000-memory.dmp

      Filesize

      64.1MB

    • memory/1576-56-0x0000000010000000-0x0000000014030000-memory.dmp

      Filesize

      64.2MB