Analysis

  • max time kernel
    150s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    05/05/2022, 05:41

General

  • Target
    74bf6d85eae00e32437fdc455179b965.exe
  • Size 233KB
  • Sample220505-gdgl4afcb5
  • SHA256 fa35418f18e541c0dddb9e19893ea0677133f47ee8a4871c35984c3ceb21cac3
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://monsutiur4.com/

  • http://nusurionuy5ff.at/

  • http://moroitomo4.net/

  • http://susuerulianita1.net/

  • http://cucumbetuturel4.com/

  • http://nunuslushau.com/

  • http://linislominyt11.at/

  • http://luxulixionus.net/

  • http://lilisjjoer44.com/

  • http://nikogminut88.at/

  • http://limo00ruling.org/

  • http://mini55tunul.com/

  • http://samnutu11nuli.com/

  • http://nikogkojam.org/

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: MapViewOfSection 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\74bf6d85eae00e32437fdc455179b965.exe
    "C:\Users\Admin\AppData\Local\Temp\74bf6d85eae00e32437fdc455179b965.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1324

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1232-58-0x0000000001CE0000-0x0000000001CF6000-memory.dmp

        memory/1324-54-0x0000000076011000-0x0000000076013000-memory.dmp

        memory/1324-56-0x0000000000230000-0x0000000000239000-memory.dmp

        memory/1324-55-0x000000000064E000-0x0000000000657000-memory.dmp

        memory/1324-57-0x0000000000400000-0x00000000004CE000-memory.dmp