Overview

overview

10

Static

static

3

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2023, 17:44

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General

  • Target

    file.exe

  • Size

    224KB

  • MD5

    e00d940074426874a881b3528d394208

  • SHA1

    f29a6145c9bb434eca1fdec198b28529ab80bb0f

  • SHA256

    c2fb2940935ea5f3ce7817171c7bf160d7ca4b6388e0dcc71dd32e39e0220a39

  • SHA512

    3d6c57315df17d20aa32e96a014f0a1291ba837286edfc79b695e5125f317f6343b56dc9be30b570ef03f4ec4842b05f56088a57f95d04ce651d367d643e76c1

  • SSDEEP

    3072:y/AIgR3R9bJFkrZp2YqU/Ql8t3NPmxlIvbJ5+vT5lk:6gRB9bErr2YqUol8t30xlguvT7

Score
10/10
smokeloaderbackdoortrojan

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.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • Executes dropped EXE 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 WriteProcessMemory 4 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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2180
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {4D9BC0B1-BD19-45A0-AD7C-3247D85BE9F2} S-1-5-21-686452656-3203474025-4140627569-1000:UUVOHKNL\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Users\Admin\AppData\Roaming\jauwrdb
      C:\Users\Admin\AppData\Roaming\jauwrdb
      2⤵
      • Executes dropped EXE
      PID:2304

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\jauwrdb
          Filesize

          224KB

          MD5

          e00d940074426874a881b3528d394208

          SHA1

          f29a6145c9bb434eca1fdec198b28529ab80bb0f

          SHA256

          c2fb2940935ea5f3ce7817171c7bf160d7ca4b6388e0dcc71dd32e39e0220a39

          SHA512

          3d6c57315df17d20aa32e96a014f0a1291ba837286edfc79b695e5125f317f6343b56dc9be30b570ef03f4ec4842b05f56088a57f95d04ce651d367d643e76c1

          Download Submit

        • C:\Users\Admin\AppData\Roaming\jauwrdb
          Filesize

          224KB

          MD5

          e00d940074426874a881b3528d394208

          SHA1

          f29a6145c9bb434eca1fdec198b28529ab80bb0f

          SHA256

          c2fb2940935ea5f3ce7817171c7bf160d7ca4b6388e0dcc71dd32e39e0220a39

          SHA512

          3d6c57315df17d20aa32e96a014f0a1291ba837286edfc79b695e5125f317f6343b56dc9be30b570ef03f4ec4842b05f56088a57f95d04ce651d367d643e76c1

          Download Submit

        • memory/1208-3-0x00000000022B0000-0x00000000022C6000-memory.dmp

          Filesize

          88KB

          Download

        • memory/2180-0-0x0000000000220000-0x0000000000235000-memory.dmp

          Filesize

          84KB

          Download

        • memory/2180-1-0x0000000000240000-0x0000000000249000-memory.dmp

          Filesize

          36KB

          Download

        • memory/2180-2-0x0000000000400000-0x0000000000446000-memory.dmp

          Filesize

          280KB

          Download

        • memory/2180-7-0x0000000000240000-0x0000000000249000-memory.dmp

          Filesize

          36KB

          Download

        • memory/2180-4-0x0000000000400000-0x0000000000446000-memory.dmp

          Filesize

          280KB

          Download

        • memory/2180-8-0x0000000000220000-0x0000000000235000-memory.dmp

          Filesize

          84KB

          Download