Overview

overview

10

Static

static

1

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/02/2023, 08:29

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General

  • Target

    file.exe

  • Size

    305KB

  • MD5

    5d82d6c7b40ed7c19260ea7ade303f20

  • SHA1

    de0edd14c7771ccb6be82994ea66e4fb6f617f65

  • SHA256

    6206cdaaacfd8a67b3311a6b4f69e6ee2e423bcab32b517647f4a594df569d3b

  • SHA512

    d2c3858c86b57eec643aeca7ca2edbb740e4afb77710b28399eb8efde86fd1ade586fea44a23c9ea1cb7177f93654e83ba43d69d15ef1642d92ee825c13bd40c

  • SSDEEP

    3072:BNFbtJPL0+gF/RqcMRQq04Rg0oDpxG+UYOvwcQTUNP9sxA76ov3uo/MRUT:XBPLr68c8oPDjRMwcQT2Puk6om

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Signatures

  • Detects Smokeloader packer 6 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4944
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4856
  • C:\Users\Admin\AppData\Roaming\shcrbsd
    C:\Users\Admin\AppData\Roaming\shcrbsd
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1836
    • C:\Users\Admin\AppData\Roaming\shcrbsd
      C:\Users\Admin\AppData\Roaming\shcrbsd
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2944

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\shcrbsd
          Filesize

          305KB

          MD5

          5d82d6c7b40ed7c19260ea7ade303f20

          SHA1

          de0edd14c7771ccb6be82994ea66e4fb6f617f65

          SHA256

          6206cdaaacfd8a67b3311a6b4f69e6ee2e423bcab32b517647f4a594df569d3b

          SHA512

          d2c3858c86b57eec643aeca7ca2edbb740e4afb77710b28399eb8efde86fd1ade586fea44a23c9ea1cb7177f93654e83ba43d69d15ef1642d92ee825c13bd40c

          Download Submit

        • C:\Users\Admin\AppData\Roaming\shcrbsd
          Filesize

          305KB

          MD5

          5d82d6c7b40ed7c19260ea7ade303f20

          SHA1

          de0edd14c7771ccb6be82994ea66e4fb6f617f65

          SHA256

          6206cdaaacfd8a67b3311a6b4f69e6ee2e423bcab32b517647f4a594df569d3b

          SHA512

          d2c3858c86b57eec643aeca7ca2edbb740e4afb77710b28399eb8efde86fd1ade586fea44a23c9ea1cb7177f93654e83ba43d69d15ef1642d92ee825c13bd40c

          Download Submit

        • C:\Users\Admin\AppData\Roaming\shcrbsd
          Filesize

          305KB

          MD5

          5d82d6c7b40ed7c19260ea7ade303f20

          SHA1

          de0edd14c7771ccb6be82994ea66e4fb6f617f65

          SHA256

          6206cdaaacfd8a67b3311a6b4f69e6ee2e423bcab32b517647f4a594df569d3b

          SHA512

          d2c3858c86b57eec643aeca7ca2edbb740e4afb77710b28399eb8efde86fd1ade586fea44a23c9ea1cb7177f93654e83ba43d69d15ef1642d92ee825c13bd40c

          Download Submit

        • memory/1836-143-0x00000000006FE000-0x0000000000713000-memory.dmp

          Filesize

          84KB

          Download

        • memory/2944-144-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/2944-145-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/4856-136-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/4856-137-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/4856-133-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/4944-135-0x0000000000600000-0x0000000000609000-memory.dmp

          Filesize

          36KB

          Download

        • memory/4944-134-0x00000000007FE000-0x0000000000814000-memory.dmp

          Filesize

          88KB

          Download