Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230824-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230824-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/08/2023, 14:44

General

  • Target
    file.exe
  • Size 243KB
  • Sample230831-r36bvsfe73
  • SHA256 d9687211c7a526b2eaedd63975a8a0deef343ec8a01a9480d3bf28316dc57107
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • pub4

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://taibi.at/tmp/

  • http://01stroy.ru/tmp/

  • http://mal-net.com/tmp/

  • http://gromograd.ru/tmp/

  • http://kingpirate.ru/tmp/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • 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
  • 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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3940

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3136-5-0x0000000002EB0000-0x0000000002EC6000-memory.dmp

        memory/3940-1-0x0000000002180000-0x0000000002280000-memory.dmp

        memory/3940-2-0x0000000002170000-0x0000000002179000-memory.dmp

        memory/3940-3-0x0000000000400000-0x0000000001F14000-memory.dmp

        memory/3940-4-0x0000000000400000-0x0000000001F14000-memory.dmp

        memory/3940-6-0x0000000000400000-0x0000000001F14000-memory.dmp

        memory/3940-9-0x0000000002170000-0x0000000002179000-memory.dmp