Analysis

  • max time kernel
    4294211s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    12/04/2022, 12:45

General

  • Target
    39e50abfbe53394397416303df0c99d6.exe
  • Size 412KB
  • Sample220412-py23jabdfm
  • SHA256 733aa27b3ca43c299f47ff800e1e2b99bfe58a09f4807ca6227047a2abd3f552
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • https://oakland-studio.video/search.php

  • https://seattle-university.video/search.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\39e50abfbe53394397416303df0c99d6.exe
    "C:\Users\Admin\AppData\Local\Temp\39e50abfbe53394397416303df0c99d6.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1900

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1284-57-0x0000000002B20000-0x0000000002B36000-memory.dmp

        memory/1900-54-0x0000000075EB1000-0x0000000075EB3000-memory.dmp

        memory/1900-55-0x0000000000180000-0x000000000018A000-memory.dmp

        memory/1900-56-0x0000000000210000-0x0000000000219000-memory.dmp