Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    27-09-2021 17:42

General

  • Target

    803768a34f7e59b8a9a2f3969624c47e.dll

  • Size

    506KB

  • MD5

    803768a34f7e59b8a9a2f3969624c47e

  • SHA1

    09a38940ef023929897fdc9c996de0b0f39116e2

  • SHA256

    2a0a88a2e5f9cafa10a48d63bdfcdf965b72c25978ab46cf28e795dbedc9624a

  • SHA512

    21e4aa621360a4ec4a0c73fad494e133f2584f92d058a72772e390c7bf1e1ad3e4d0778e95b590c663fe5efed3cfbecb08d5e78e1216c1bfbef729062806722f

Malware Config

Extracted

Family

squirrelwaffle

C2

acdlimited.com/2u6aW9Pfe

jornaldasoficinas.com/ZF8GKIGVDupL

orldofjain.com/lMsTA7tSYpe

altayaralsudani.net/SSUsPgb7PHgC

hoteloaktree.com/QthLWsZsVgb

aterwellnessinc.com/U7D0sswwp

sirifinco.com/Urbhq9wO50j

ordpress17.com/5WG6Z62sKWo

mohsinkhanfoundation.com/pcQLeLMbur

lendbiz.vn/xj3BhHtMbf

geosever.rs/ObHP1CHt

nuevainfotech.com/xCNyTjzkoe

dadabhoy.pk/m6rQE94U

111

sjgrand.lk/zvMYuQqEZj

erogholding.com/GFM1QcCFk

armordetailing.rs/lgfrZb4Re6WO

lefrenchwineclub.com/eRUGdDox

Signatures

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

    SquirrelWaffle.

  • squirrelwaffle 2 IoCs

    Squirrelwaffle Payload

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\803768a34f7e59b8a9a2f3969624c47e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\803768a34f7e59b8a9a2f3969624c47e.dll,#1
      2⤵
        PID:772
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 700
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1164

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/772-114-0x0000000000000000-mapping.dmp
    • memory/772-115-0x00000000005E0000-0x00000000005E1000-memory.dmp
      Filesize

      4KB

    • memory/772-116-0x00000000043D0000-0x00000000043E1000-memory.dmp
      Filesize

      68KB

    • memory/772-117-0x0000000004400000-0x0000000004410000-memory.dmp
      Filesize

      64KB