Overview

overview

10

Static

static

3

25390347b7...89.exe

windows7-x64

10

25390347b7...89.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    160s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 02:51

Sharing

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General

  • Target

    25390347b76af239fd1016a2b090ca89.exe

  • Size

    149KB

  • MD5

    25390347b76af239fd1016a2b090ca89

  • SHA1

    3dfac63f469ea0be1d235fc5d7a1f33b53d56b54

  • SHA256

    c55df5e9d0ea176321a29f8957c7a43188796ae0fc0ffe1ae94ad6092d30ba77

  • SHA512

    c050819b3a1b93e3aecd0aad0b4c07f75517ec3a48dc5a4188559ba5939e2162cbefcad25defd90c6d4075982b527b97621b820bcae8393808f3b175d7f6ceed

  • SSDEEP

    1536:mhIZu/M//YQ7kv+v3eCb5rKokmJ8skGmgv4JAZlfhx5HHpQ6dIvpGaJATEL+hIty:euYQpvJ5+4kQZlfhx5HJl4QaJQKt

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforaugust1.xyz/

http://readinglistforaugust2.xyz/

http://readinglistforaugust3.xyz/

http://readinglistforaugust4.xyz/

http://readinglistforaugust5.xyz/

http://readinglistforaugust6.xyz/

http://readinglistforaugust7.xyz/

http://readinglistforaugust8.xyz/

http://readinglistforaugust9.xyz/

http://readinglistforaugust10.xyz/

http://readinglistforaugust1.site/

http://readinglistforaugust2.site/

http://readinglistforaugust3.site/

http://readinglistforaugust4.site/

http://readinglistforaugust5.site/

http://readinglistforaugust6.site/

http://readinglistforaugust7.site/

http://readinglistforaugust8.site/

http://readinglistforaugust9.site/

http://readinglistforaugust10.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
  • 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 UnmapMainImage 1 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\25390347b76af239fd1016a2b090ca89.exe
    "C:\Users\Admin\AppData\Local\Temp\25390347b76af239fd1016a2b090ca89.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4112
    • C:\Users\Admin\AppData\Local\Temp\25390347b76af239fd1016a2b090ca89.exe
      "C:\Users\Admin\AppData\Local\Temp\25390347b76af239fd1016a2b090ca89.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2108

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • memory/2108-3-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/2108-4-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/2108-6-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/3512-5-0x00000000026C0000-0x00000000026D6000-memory.dmp

          Filesize

          88KB

          Download

        • memory/4112-1-0x0000000002E10000-0x0000000002F10000-memory.dmp

          Filesize

          1024KB

          Download

        • memory/4112-2-0x0000000002D90000-0x0000000002D9A000-memory.dmp

          Filesize

          40KB

          Download