Overview

overview

10

Static

static

3

4590ca72f4...42.exe

windows7-x64

10

4590ca72f4...42.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    47s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-01-2024 10:16

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General

  • Target

    4590ca72f4ec2cb7396b45759bcc6b42.exe

  • Size

    178KB

  • MD5

    4590ca72f4ec2cb7396b45759bcc6b42

  • SHA1

    a602b1bb140bfb0609091261af0f1d9a09e4eceb

  • SHA256

    720205f5906b4bf07d115a1ad8c4986a83d8ec247693dd8214a07858bcab97af

  • SHA512

    9c8569a9f5ed9e46fa9f5b9a348f10a74883366cf9b756167f562afce42cc76045382b439f1ca141b493d46e4ff56891c6eaf665775ba56601bc13105fa6127f

  • SSDEEP

    3072:OucaWa7jti7pB1GTYXeh1jPMpYLLd6plhwRvDpBsArywoOLi6:6lao1G9h1jUGLLsplh6DpBsRwoOL

Score
10/10
smokeloader0508backdoortrojan

Malware Config

Extracted

Family

smokeloader

Botnet

0508

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

http://readinglistforjuly5.site/

http://readinglistforjuly6.site/

http://readinglistforjuly7.site/

http://readinglistforjuly8.site/

http://readinglistforjuly9.site/

http://readinglistforjuly10.site/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 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: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\4590ca72f4ec2cb7396b45759bcc6b42.exe
    "C:\Users\Admin\AppData\Local\Temp\4590ca72f4ec2cb7396b45759bcc6b42.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4820
    • C:\Users\Admin\AppData\Local\Temp\4590ca72f4ec2cb7396b45759bcc6b42.exe
      "C:\Users\Admin\AppData\Local\Temp\4590ca72f4ec2cb7396b45759bcc6b42.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:740
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 332
        3⤵
        • Program crash
        PID:1136
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 740 -ip 740
    1⤵
      PID:2656
    • C:\Users\Admin\AppData\Roaming\ihtvvta
      C:\Users\Admin\AppData\Roaming\ihtvvta
      1⤵
        PID:1220

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • memory/740-3-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

        Download

      • memory/740-5-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

        Download

      • memory/740-4-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

        Download

      • memory/740-9-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

        Download

      • memory/3468-6-0x00000000024A0000-0x00000000024B6000-memory.dmp

        Filesize

        88KB

        Download

      • memory/4820-2-0x00000000049B0000-0x00000000049BA000-memory.dmp

        Filesize

        40KB

        Download

      • memory/4820-1-0x0000000002D90000-0x0000000002E90000-memory.dmp

        Filesize

        1024KB

        Download