Overview

overview

10

Static

static

3

1d153b36df...a4.exe

windows7-x64

10

1d153b36df...a4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    77s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2023 21:31

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General

  • Target

    1d153b36dff89349d52e0b5847b9a8a4.exe

  • Size

    150KB

  • MD5

    1d153b36dff89349d52e0b5847b9a8a4

  • SHA1

    8329a08acea7666e06e75af8e3d88c36e777f17e

  • SHA256

    9093d320baf890134c0fc716eaa10cf5027dd4e804570867506537b555fd5ea7

  • SHA512

    9554720af3c8d065a7a8df284ca1f083ac8f703e278fe33f08f4583b2f2c5a6d9ecb24f6e4577f6a7ea0e9972e662d992a5e5c75b716df8e9682dcee67014af7

  • SSDEEP

    3072:km7BEuvfr02yZzFRPpYC585IXiCwBwJQKt:DESfrZy9yit

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
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 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: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\1d153b36dff89349d52e0b5847b9a8a4.exe
    "C:\Users\Admin\AppData\Local\Temp\1d153b36dff89349d52e0b5847b9a8a4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3220
    • C:\Users\Admin\AppData\Local\Temp\1d153b36dff89349d52e0b5847b9a8a4.exe
      "C:\Users\Admin\AppData\Local\Temp\1d153b36dff89349d52e0b5847b9a8a4.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4532
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 328
        3⤵
        • Program crash
        PID:3748
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4532 -ip 4532
    1⤵
      PID:4952

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/3220-2-0x00000000048C0000-0x00000000048CA000-memory.dmp

      Filesize

      40KB

      Download

    • memory/3220-1-0x0000000002F00000-0x0000000003000000-memory.dmp

      Filesize

      1024KB

      Download

    • memory/3496-5-0x00000000026B0000-0x00000000026C6000-memory.dmp

      Filesize

      88KB

      Download

    • memory/4532-4-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

      Download

    • memory/4532-3-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

      Download

    • memory/4532-8-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

      Download