Overview

overview

10

Static

static

3

3758d79e24...cf.exe

windows7-x64

10

3758d79e24...cf.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-09-2023 20:24

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General

  • Target

    3758d79e248b71ec40d6c526df09b0cf.exe

  • Size

    387KB

  • MD5

    3758d79e248b71ec40d6c526df09b0cf

  • SHA1

    b9d7465ee49a01a348bcb76fb111fdc00fe7d9fa

  • SHA256

    e87a49c8c893c7d984fd1f7b1256f0e377f1ade1327795d917d399ce7b7ed634

  • SHA512

    8c426b16861173706b3f9c958841a416cdafd5cac5a5c1362328239eb1200b63c4f8f9dc5cafb47fede792e90af40b5719a5510ac899497b366192455977ebff

  • SSDEEP

    6144:B0QaG8BYStPT5joS4KAhlVijGgzV9gLUebH/:B0QaG8BYSVTR4KxjfzV9gLUeL/

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
  • 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\3758d79e248b71ec40d6c526df09b0cf.exe
    "C:\Users\Admin\AppData\Local\Temp\3758d79e248b71ec40d6c526df09b0cf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4612
    • C:\Users\Admin\AppData\Local\Temp\3758d79e248b71ec40d6c526df09b0cf.exe
      "C:\Users\Admin\AppData\Local\Temp\3758d79e248b71ec40d6c526df09b0cf.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:5072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3204-5-0x0000000002E30000-0x0000000002E46000-memory.dmp

    Filesize

    88KB

    Download

  • memory/4612-0-0x00000000026F0000-0x0000000002705000-memory.dmp

    Filesize

    84KB

    Download

  • memory/4612-1-0x00000000041C0000-0x00000000041C9000-memory.dmp

    Filesize

    36KB

    Download

  • memory/4612-4-0x00000000026F0000-0x0000000002705000-memory.dmp

    Filesize

    84KB

    Download

  • memory/5072-2-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/5072-3-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/5072-6-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download