Overview

overview

10

Static

static

3

bbfe55997d...9a.exe

windows7-x64

10

bbfe55997d...9a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231025-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2023, 04:02

Sharing

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General

  • Target

    bbfe55997dacda96be82064761e4979a.exe

  • Size

    229KB

  • MD5

    bbfe55997dacda96be82064761e4979a

  • SHA1

    c3337075012deb1aacba8459b761dca452595582

  • SHA256

    db824ef491d8eb1db6d550b0da1b9d2e6a8b9b7a050f99e9509eb0b522d44b1d

  • SHA512

    cd870c8a0a28a7d50ffa8b30f9f2b2e795f33f8eb864828cd641edebda09c3db6c1afbcf344616b7f3aeb2fd28a3149004c0a2ca77ab69b6b1c9b9027dd98bd3

  • SSDEEP

    3072:sM5jwR2LlAAnkavO6pV+vtiW/f+j+oJ4lLqK0RPJIlVPp:/58R2LvkIhpkvti574lcJ0h

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 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\bbfe55997dacda96be82064761e4979a.exe
    "C:\Users\Admin\AppData\Local\Temp\bbfe55997dacda96be82064761e4979a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5100
    • C:\Users\Admin\AppData\Local\Temp\bbfe55997dacda96be82064761e4979a.exe
      "C:\Users\Admin\AppData\Local\Temp\bbfe55997dacda96be82064761e4979a.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3480

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • memory/3208-5-0x0000000002BC0000-0x0000000002BD6000-memory.dmp

          Filesize

          88KB

          Download

        • memory/3480-3-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/3480-4-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/3480-6-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/5100-1-0x0000000000A40000-0x0000000000B40000-memory.dmp

          Filesize

          1024KB

          Download

        • memory/5100-2-0x00000000025E0000-0x00000000025E9000-memory.dmp

          Filesize

          36KB

          Download