Overview

overview

10

Static

static

3

d8b2bb8615...05.exe

windows7-x64

10

d8b2bb8615...05.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    152s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    23/07/2023, 18:16

Sharing

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General

  • Target

    d8b2bb861557541b4848532a6a9cd005.exe

  • Size

    259KB

  • MD5

    d8b2bb861557541b4848532a6a9cd005

  • SHA1

    f051c0e60a501dbf71c9900844595cc343905f7b

  • SHA256

    ed5bb7322e02c65a989222913dcdd418509cd35578009fd5e578d1990cac527d

  • SHA512

    217124d3ffb0dc5f80e0a45adb649343156bc834f0ddf2078b2fcb95c341179ba48756a0962e171cc0a08be8037aa35ba120c8ba1f134271fa96993146f71019

  • SSDEEP

    3072:F3UUqemKFDevdHt9xuzmscua2OfuhufKzY3HuX/C5EBn:VaK6v1Lszmaa2OWUfmYXuX/C5EB

Score
10/10
smokeloaderpub1backdoortrojan

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.

    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: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 7 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\d8b2bb861557541b4848532a6a9cd005.exe
    "C:\Users\Admin\AppData\Local\Temp\d8b2bb861557541b4848532a6a9cd005.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Users\Admin\AppData\Local\Temp\d8b2bb861557541b4848532a6a9cd005.exe
      "C:\Users\Admin\AppData\Local\Temp\d8b2bb861557541b4848532a6a9cd005.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1172

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • memory/1172-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1172-59-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/1172-60-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/1172-61-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/1172-63-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/1220-62-0x0000000002990000-0x00000000029A6000-memory.dmp

          Filesize

          88KB

          Download

        • memory/2804-56-0x0000000002550000-0x0000000002650000-memory.dmp

          Filesize

          1024KB

          Download

        • memory/2804-58-0x0000000000220000-0x0000000000229000-memory.dmp

          Filesize

          36KB

          Download