Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Analysis

  • max time kernel
    300s
  • max time network
    258s
  • platform
    windows10-1703_x64
  • resource
    win10-20230703-en
  • resource tags

    arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
  • submitted
    05/07/2023, 22:27

Sharing

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General

  • Target

    a4b76c2e6f309d6a73f21ca037e0ccf9b73b8416ace98cc4ee3fa217e71ada54.exe

  • Size

    239KB

  • MD5

    296058e0a0f5f7d62be803bb2af91653

  • SHA1

    db9a08c5ba59c9039278bd4ca9dd191d423161a8

  • SHA256

    a4b76c2e6f309d6a73f21ca037e0ccf9b73b8416ace98cc4ee3fa217e71ada54

  • SHA512

    b8de9b01ef6bbb9d436f8fed7129d814050272e81496861d243c048f4be144f9df788f4b783abe0e1f90bfc53530fe74f5a970ec84449e4a4119c2cf4b3a4bb0

  • SSDEEP

    3072:fg4fRnGUyAZlDce9hI7T2lakP5jZbU/a7sL566WpV/OB3tP77h:I4pNyAZ2SmvQNZb9C566Wpo3

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 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\a4b76c2e6f309d6a73f21ca037e0ccf9b73b8416ace98cc4ee3fa217e71ada54.exe
    "C:\Users\Admin\AppData\Local\Temp\a4b76c2e6f309d6a73f21ca037e0ccf9b73b8416ace98cc4ee3fa217e71ada54.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1164
    • C:\Users\Admin\AppData\Local\Temp\a4b76c2e6f309d6a73f21ca037e0ccf9b73b8416ace98cc4ee3fa217e71ada54.exe
      "C:\Users\Admin\AppData\Local\Temp\a4b76c2e6f309d6a73f21ca037e0ccf9b73b8416ace98cc4ee3fa217e71ada54.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:916

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/916-120-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/916-121-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/916-123-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/1164-119-0x0000000001D70000-0x0000000001D79000-memory.dmp

          Filesize

          36KB

          Download

        • memory/3316-122-0x0000000001230000-0x0000000001246000-memory.dmp

          Filesize

          88KB

          Download