Analysis

  • max time kernel
    152s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    13/11/2021, 07:36

General

  • Target
    d985b4cfdceecc3c0fe4f3e4fda4e416.exe
  • Size 168KB
  • Sample211113-je9elsegb8
  • SHA256 a8b37d6b073ee045ae63473cb1a592c974e896b19e3db06d552f955901c06db7
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://srtuiyhuali.at/

  • http://fufuiloirtu.com/

  • http://amogohuigotuli.at/

  • http://novohudosovu.com/

  • http://brutuilionust.com/

  • http://bubushkalioua.com/

  • http://dumuilistrati.at/

  • http://verboliatsiaeeees.com/

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
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d985b4cfdceecc3c0fe4f3e4fda4e416.exe
    "C:\Users\Admin\AppData\Local\Temp\d985b4cfdceecc3c0fe4f3e4fda4e416.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:524

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/524-55-0x0000000000220000-0x0000000000228000-memory.dmp

        memory/524-56-0x0000000000230000-0x0000000000239000-memory.dmp

        memory/524-57-0x0000000075971000-0x0000000075973000-memory.dmp

        memory/524-58-0x0000000000400000-0x0000000000433000-memory.dmp

        memory/1380-59-0x0000000002650000-0x0000000002666000-memory.dmp