Analysis

  • max time kernel
    151s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2023, 06:05

General

  • Target

    file.exe

  • Size

    293KB

  • MD5

    a1aa8147375aa92330e85b32e230d011

  • SHA1

    2fe504bee079a34810af5f52119f2047d01ea201

  • SHA256

    a75a17d5d6e67b7176950ecf69d2b96aebd7a01b3ce353e3ce075af056b583d1

  • SHA512

    90710b49dc0e371df9191d5f14cbc5aac00a5a3cc47d2b1d755d8cd44e5a9c401b613ad7cfb0787dcba3c260a7e46f864576409809e5202fc298b4be95994509

  • SSDEEP

    6144:oioBS0SxFUbzgmO5hx82LQ7oTzghjg8Z:oioArxnxTdHwk8

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://potunulit.org/

http://hutnilior.net/

http://bulimu55t.net/

http://soryytlic4.net/

http://novanosa5org.org/

http://nuljjjnuli.org/

http://tolilolihul.net/

http://somatoka51hub.net/

http://hujukui3.net/

http://bukubuka1.net/

http://golilopaster.org/

http://newzelannd66.org/

http://otriluyttn.org/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1876

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1260-4-0x0000000002620000-0x0000000002636000-memory.dmp

          Filesize

          88KB

        • memory/1260-8-0x000007FEF59F0000-0x000007FEF5B33000-memory.dmp

          Filesize

          1.3MB

        • memory/1260-9-0x000007FEEAAA0000-0x000007FEEAAAA000-memory.dmp

          Filesize

          40KB

        • memory/1260-13-0x000007FEF59F0000-0x000007FEF5B33000-memory.dmp

          Filesize

          1.3MB

        • memory/1876-1-0x00000000007F0000-0x00000000008F0000-memory.dmp

          Filesize

          1024KB

        • memory/1876-2-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/1876-3-0x0000000000220000-0x0000000000229000-memory.dmp

          Filesize

          36KB

        • memory/1876-5-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB