Resubmissions

01-11-2021 12:31

211101-pp5r3ahha4 10

31-10-2021 09:03

211031-k1bwxacfaq 10

14-10-2021 01:44

211014-b6aflafeg4 10

Analysis

  • max time kernel
    121s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    14-10-2021 01:44

General

  • Target

    6402b33d729c8bb44881747a8f397f4aec408bf5e18b9af6fd86cdfa3f96323b.dll

  • Size

    235KB

  • MD5

    8e37795097400f6a609525749d154cd0

  • SHA1

    8e1502c2aa56e6a8c7c1d2c75f3946332a5bb8c0

  • SHA256

    6402b33d729c8bb44881747a8f397f4aec408bf5e18b9af6fd86cdfa3f96323b

  • SHA512

    c7453b8f50e557a5990ac3708931845eeb6dc2992cd907d5534733524f523226d8d013be6e09bb2b5210f6f5ad2303625f8998a5111d3b0925bb4228b6c9152a

Malware Config

Extracted

Family

squirrelwaffle

C2

http://acdlimited.com/2u6aW9Pfe

http://jornaldasoficinas.com/ZF8GKIGVDupL

http://orldofjain.com/lMsTA7tSYpe

http://altayaralsudani.net/SSUsPgb7PHgC

http://hoteloaktree.com/QthLWsZsVgb

http://aterwellnessinc.com/U7D0sswwp

http://sirifinco.com/Urbhq9wO50j

http://ordpress17.com/5WG6Z62sKWo

http://mohsinkhanfoundation.com/pcQLeLMbur

http://lendbiz.vn/xj3BhHtMbf

http://geosever.rs/ObHP1CHt

http://nuevainfotech.com/xCNyTjzkoe

http://dadabhoy.pk/m6rQE94U

http://111

http://sjgrand.lk/zvMYuQqEZj

http://erogholding.com/GFM1QcCFk

http://armordetailing.rs/lgfrZb4Re6WO

http://lefrenchwineclub.com/eRUGdDox

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\6402b33d729c8bb44881747a8f397f4aec408bf5e18b9af6fd86cdfa3f96323b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6402b33d729c8bb44881747a8f397f4aec408bf5e18b9af6fd86cdfa3f96323b.dll,#1
      2⤵
        PID:2040

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2040-60-0x0000000000000000-mapping.dmp
    • memory/2040-61-0x0000000075801000-0x0000000075803000-memory.dmp
      Filesize

      8KB

    • memory/2040-62-0x0000000010000000-0x00000000100D6000-memory.dmp
      Filesize

      856KB

    • memory/2040-63-0x0000000010000000-0x0000000010010000-memory.dmp
      Filesize

      64KB

    • memory/2040-64-0x0000000010000000-0x00000000100D6000-memory.dmp
      Filesize

      856KB

    • memory/2040-65-0x00000000001A0000-0x00000000001A1000-memory.dmp
      Filesize

      4KB