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Overview

overview

10

Static

static

3

49eadf247a...74.exe

windows7-x64

10

49eadf247a...74.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    152s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/01/2024, 22:18

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General

  • Target

    49eadf247a319f1ed386288b2d7a4a74.exe

  • Size

    262KB

  • MD5

    49eadf247a319f1ed386288b2d7a4a74

  • SHA1

    543f40390319dbc47d25a08501bb8be1287f8d71

  • SHA256

    dd78d58bf51e05510f783c4d1181c36efe85966a57a2aaa6acdf863f7cdb11e2

  • SHA512

    03bf7d8a4258c5b3633a38d9009ec1ad1fdcf102818bec75188041093cf42973681edb0d407ab7d98445ab104cab9519de398bbfa87aa3a5e7d1aafc32e4e562

  • SSDEEP

    6144:rL6l/Yi9soUT7NrkHHQlykdUD2uvGefdnCy6D4:Kl/Go6NrGQckd07SZD

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforaugust1.xyz/

http://readinglistforaugust2.xyz/

http://readinglistforaugust3.xyz/

http://readinglistforaugust4.xyz/

http://readinglistforaugust5.xyz/

http://readinglistforaugust6.xyz/

http://readinglistforaugust7.xyz/

http://readinglistforaugust8.xyz/

http://readinglistforaugust9.xyz/

http://readinglistforaugust10.xyz/

http://readinglistforaugust1.site/

http://readinglistforaugust2.site/

http://readinglistforaugust3.site/

http://readinglistforaugust4.site/

http://readinglistforaugust5.site/

http://readinglistforaugust6.site/

http://readinglistforaugust7.site/

http://readinglistforaugust8.site/

http://readinglistforaugust9.site/

http://readinglistforaugust10.site/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • 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: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 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\49eadf247a319f1ed386288b2d7a4a74.exe
    "C:\Users\Admin\AppData\Local\Temp\49eadf247a319f1ed386288b2d7a4a74.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3576
    • C:\Users\Admin\AppData\Local\Temp\49eadf247a319f1ed386288b2d7a4a74.exe
      "C:\Users\Admin\AppData\Local\Temp\49eadf247a319f1ed386288b2d7a4a74.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2176
  • C:\Users\Admin\AppData\Roaming\fibgvde
    C:\Users\Admin\AppData\Roaming\fibgvde
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3244
    • C:\Users\Admin\AppData\Roaming\fibgvde
      C:\Users\Admin\AppData\Roaming\fibgvde
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:4008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    262KB

    MD5

    49eadf247a319f1ed386288b2d7a4a74

    SHA1

    543f40390319dbc47d25a08501bb8be1287f8d71

    SHA256

    dd78d58bf51e05510f783c4d1181c36efe85966a57a2aaa6acdf863f7cdb11e2

    SHA512

    03bf7d8a4258c5b3633a38d9009ec1ad1fdcf102818bec75188041093cf42973681edb0d407ab7d98445ab104cab9519de398bbfa87aa3a5e7d1aafc32e4e562

    Download Submit

  • memory/2176-3-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2176-4-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2176-6-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/3244-16-0x00000000025C0000-0x00000000026C0000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/3512-5-0x0000000002A10000-0x0000000002A26000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3512-19-0x0000000000610000-0x0000000000626000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3576-1-0x0000000002690000-0x0000000002790000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/3576-2-0x00000000001C0000-0x00000000001CA000-memory.dmp

    Filesize

    40KB

    Download

  • memory/4008-22-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download