Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/09/2023, 19:56

General

  • Target

    0fedb4404d94b92490ce84f4beba4839f8b035f7d5bbfd5e18d7e491e5c8a5e4.exe

  • Size

    191KB

  • MD5

    33daeeb132af96590c3f4a4d899fd1e8

  • SHA1

    d31120167586ca35d77b7810eb29ed67f8cfd706

  • SHA256

    0fedb4404d94b92490ce84f4beba4839f8b035f7d5bbfd5e18d7e491e5c8a5e4

  • SHA512

    fbddbd87c43312eeb59aac49429ffc4d7f4e17e1477ea7d39c0584f009aae6b173c8cf11fcdd6d18a1f2feb69167a30e6cdb830bc31fbe86b447f3ec1d6fdb5e

  • SSDEEP

    3072:qyt1xr4e2IP5XuB8UPpaC1hNDohzyHhqDLHcK3m5V7o:qM1xr4e2IhXLUxaC1TDuzyBqPcka7o

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.

  • 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 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\0fedb4404d94b92490ce84f4beba4839f8b035f7d5bbfd5e18d7e491e5c8a5e4.exe
    "C:\Users\Admin\AppData\Local\Temp\0fedb4404d94b92490ce84f4beba4839f8b035f7d5bbfd5e18d7e491e5c8a5e4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3828
    • C:\Users\Admin\AppData\Local\Temp\0fedb4404d94b92490ce84f4beba4839f8b035f7d5bbfd5e18d7e491e5c8a5e4.exe
      "C:\Users\Admin\AppData\Local\Temp\0fedb4404d94b92490ce84f4beba4839f8b035f7d5bbfd5e18d7e491e5c8a5e4.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:660

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/660-2-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/660-3-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/660-6-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/3156-5-0x0000000002B70000-0x0000000002B86000-memory.dmp

          Filesize

          88KB

        • memory/3828-0-0x0000000002180000-0x0000000002195000-memory.dmp

          Filesize

          84KB

        • memory/3828-1-0x00000000021A0000-0x00000000021A9000-memory.dmp

          Filesize

          36KB

        • memory/3828-4-0x0000000002180000-0x0000000002195000-memory.dmp

          Filesize

          84KB