Overview

overview

10

Static

static

3

858e306a02...97.exe

windows7-x64

10

858e306a02...97.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 13:10

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General

  • Target

    858e306a02c8e7aa646c3434e0f5ffa7eb3f52bbf79d81c23990bc37cf79cd97.exe

  • Size

    246KB

  • MD5

    7fac4c616b0b94697c05c3542fb1a5c6

  • SHA1

    5b76400db9e14b5bd8d67d41bd8c36ad20d4c20e

  • SHA256

    858e306a02c8e7aa646c3434e0f5ffa7eb3f52bbf79d81c23990bc37cf79cd97

  • SHA512

    d17c25d3eb281733f57d895cfaeabf780c37984d383a74e4bb2cd42bb052e4e396ea27ccdd2425f953d449eaab13a472fecc2a71fba9938e274452876227ad0f

  • SSDEEP

    3072:BwgqbvVB0wysyoxLxJ3p7/w+IiwJTlGIQ4vBQm6:MbvVZyIZHolhnvBQ

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\858e306a02c8e7aa646c3434e0f5ffa7eb3f52bbf79d81c23990bc37cf79cd97.exe
    "C:\Users\Admin\AppData\Local\Temp\858e306a02c8e7aa646c3434e0f5ffa7eb3f52bbf79d81c23990bc37cf79cd97.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4936
    • C:\Users\Admin\AppData\Local\Temp\858e306a02c8e7aa646c3434e0f5ffa7eb3f52bbf79d81c23990bc37cf79cd97.exe
      "C:\Users\Admin\AppData\Local\Temp\858e306a02c8e7aa646c3434e0f5ffa7eb3f52bbf79d81c23990bc37cf79cd97.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4340

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • memory/3140-5-0x00000000023D0000-0x00000000023E6000-memory.dmp

          Filesize

          88KB

          Download

        • memory/4340-3-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/4340-4-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/4340-6-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/4936-1-0x0000000000A10000-0x0000000000B10000-memory.dmp

          Filesize

          1024KB

          Download

        • memory/4936-2-0x00000000008A0000-0x00000000008A9000-memory.dmp

          Filesize

          36KB

          Download