Analysis

  • max time kernel
    150s
  • max time network
    73s
  • platform
    windows10-1703_x64
  • resource
    win10-20230915-en
  • resource tags

    arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
  • submitted
    15/09/2023, 20:51

General

  • Target

    98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe

  • Size

    267KB

  • MD5

    48bf34ff55bb92ade936476ee55841b2

  • SHA1

    342bc20301756a1c3952d9dbce0d1ec75c80f942

  • SHA256

    98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7

  • SHA512

    1f14f2b469e9d450ed462551133ae5540b91e2e82762929bb8212b3f9c394017baec7de2831c14648f4115c84a8a24855b5046f0f7ef6b1a235b692912167fdf

  • SSDEEP

    3072:4D+XegesvpzBYvtrsbmwIQaOWYHFYpq7Lyz/Xpg4uVpncNvjr:a+XpvpzBYvtrzpHYluqCDXpmVmjr

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 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
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 6 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\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe
    "C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:668
    • C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe
      "C:\Users\Admin\AppData\Local\Temp\98713f76407772d423b447926829a65167408cecd8a019a2a22cd9ab9b0d7fc7.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3056

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/668-1-0x0000000000720000-0x0000000000820000-memory.dmp

          Filesize

          1024KB

        • memory/668-2-0x0000000000880000-0x0000000000889000-memory.dmp

          Filesize

          36KB

        • memory/2676-5-0x0000000000EC0000-0x0000000000ED6000-memory.dmp

          Filesize

          88KB

        • memory/2676-16-0x0000000000EA0000-0x0000000000EB0000-memory.dmp

          Filesize

          64KB

        • memory/2676-17-0x0000000000EA0000-0x0000000000EB0000-memory.dmp

          Filesize

          64KB

        • memory/2676-19-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-20-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-21-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-22-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-25-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-24-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-26-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-27-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-28-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-30-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-31-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-33-0x0000000002CC0000-0x0000000002CD0000-memory.dmp

          Filesize

          64KB

        • memory/2676-35-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-37-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-38-0x0000000002740000-0x0000000002750000-memory.dmp

          Filesize

          64KB

        • memory/2676-40-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-42-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-44-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-46-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-49-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-48-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-51-0x0000000002740000-0x0000000002750000-memory.dmp

          Filesize

          64KB

        • memory/2676-53-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-55-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-54-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-56-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-57-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-59-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-60-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-58-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-61-0x0000000000EA0000-0x0000000000EB0000-memory.dmp

          Filesize

          64KB

        • memory/2676-62-0x0000000000EA0000-0x0000000000EB0000-memory.dmp

          Filesize

          64KB

        • memory/2676-63-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-65-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-66-0x0000000002740000-0x0000000002750000-memory.dmp

          Filesize

          64KB

        • memory/2676-68-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-69-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-70-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-71-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-72-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-74-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-73-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-78-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-76-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-79-0x0000000002740000-0x0000000002750000-memory.dmp

          Filesize

          64KB

        • memory/2676-81-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-82-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-84-0x0000000002740000-0x0000000002750000-memory.dmp

          Filesize

          64KB

        • memory/2676-88-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-90-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-87-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-86-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-92-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-93-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-94-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-96-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-97-0x0000000002740000-0x0000000002750000-memory.dmp

          Filesize

          64KB

        • memory/2676-99-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-101-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-100-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-105-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-106-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-104-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-103-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/2676-102-0x0000000002C90000-0x0000000002CA0000-memory.dmp

          Filesize

          64KB

        • memory/3056-3-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/3056-4-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/3056-6-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB